Nutrient Stewardship


Nutrient Management Handbook


Authors: WFO, IFA, GACSA

Publisher: WFO, IFA

Date of Publication: 04 Mar 2018

Language: Chinese

Format: Pdf

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Nutrient Management Handbook


Authors: WFO, IFA, GACSA

Publisher: WFO, IFA

Date of Publication: 08 Nov 2016

Language: English

Handbook highlighting the key principles of sustainable nutrient management (e.g. 4R nutrient stewardship, ISFM), targetting practitioners (mostly farmers' advisors)

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Fertilizers and their Efficient Use


Authors: Reetz, H.F.

Publisher: IFA, Paris, France, May 2016

Date of Publication: 20 May 2016

Language: English

A reference guide to improve general understanding of the best management practices for fertilizer use throughout the world to enhance crop production, improve farm profitability and resource efficiency, and reduce environmental impacts related to fertilizer use in crop production

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Responsible Plant Nutrition


Authors: Hebebrand, C.

Publisher: FARM, Point of view, N.4, Paris, France, December 2015

Date of Publication: 31 Dec 2015

Language: English

Format: Pdf

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Pour une nutrition des plantes responsable


Authors: Hebebrand, C.

Publisher: FARM, Point de vue, N.4, Paris, France, décembre 2015

Date of Publication: 31 Dec 2015

Language: French

Format: Pdf

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Fertilización Foliar: Principios Científicos y Práctica de Campo


Authors: Fernández, V.; Sotiropoulos, T.; Brown, P.

Publisher: IFA, 1st edition, revised version, Paris, France, November 2015

Date of Publication: 26 Oct 2015

Language: Spanish

Foliar fertilization offers a specific advantage over soil fertilization when plant demand for nutrients exceeds the capacity of the roots to absorb nutrient and when environmental conditions limit the effectiveness or prevent the application of nutrients to the soil. This IFA publication provides readers an up-to date information and clarification on the scientific basis of foliar fertilization and plant responses to it. It describes the ‘state-of- knowledge’ on the mechanisms of uptake by plant leaves of foliar-applied nutrient solutions.The authors of the book made an integrated analysis of the physical, chemical and biological principles known to influence the absorption and utilization of foliar fertilizers by plants and reviewed the available laboratory and field trials to provide insights into the factors that determine the efficacy of foliar applications. As current understanding of the factors that influence the ultimate efficacy of foliar applications remains incomplete, the authors strive to illustrate the challenges facing this technology as well as the research and development required for its advancement. This publication is available in Portuguese, Spanish and English as a hardcopy and as a pdf.

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Managing Water and Fertilizer for Sustainable Agricultural Intensification - Poster 50*70 cm


Publisher: IFA, IWMI, IPNI and IPI, Paris, France, September 2015

Date of Publication: 02 Oct 2015

Language: English

Format: Pdf

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Managing Water and Fertilizer for Sustainable Agricultural Intensification. Infographic


Authors: Drechsel, P.; Heffer, P.; Magen, H.; Mikkelsen, R.; Wichelns, D.

Publisher: IFA, IWMI, IPNI and IPI, Paris, France, August 2015

Date of Publication: 27 Aug 2015

Language: English

Format: Pdf

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La fertilisation et les sols : les experts en parlent


Publisher: IFA, UNIFA, Paris, France, Juin 2015

Date of Publication: 08 Jun 2015

Language: French

A l’occasion de l’année internationale des sols, l’IFA, l’association internationale de l’industrie des engrais a interrogé des experts scientifiques pour établir les liens entre fertilité des sols et fertilisation.

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Adubação Foliar: Fundamentos Científicos e Técnicas de Campo


Authors: Fernández, V., Sotiropoulos, T., Brown, P.

Publisher: IFA, Abisolo, 1st edition, Sao Paulo, Brazil, May 2015

Date of Publication: 29 May 2015

Language: Portuguese

Foliar fertilization offers a specific advantage over soil fertilization when plant demand for nutrients exceeds the capacity of the roots to absorb nutrient and when environmental conditions limit the effectiveness or prevent the application of nutrients to the soil. This IFA publication provides readers an up-to date information and clarification on the scientific basis of foliar fertilization and plant responses to it. It describes the ‘state-of- knowledge’ on the mechanisms of uptake by plant leaves of foliar-applied nutrient solutions. The authors of the book made an integrated analysis of the physical, chemical and biological principles known to influence the absorption and utilization of foliar fertilizers by plants and reviewed the available laboratory and field trials to provide insights into the factors that determine the efficacy of foliar applications. As current understanding of the factors that influence the ultimate efficacy of foliar applications remains incomplete, the authors strive to illustrate the challenges facing this technology as well as the research and development required for its advancement. This publication is available in Portuguese, Spanish and English as a hardcopy and as a pdf.

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Managing Fertilizers to Enhance Soil Health


Authors: Singh, B., Ryan, J.

Publisher: First edition, IFA, Paris, France, May 2015

Date of Publication: 21 May 2015

Language: English

Format: Pdf

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Managing Water and Fertilizer for Sustainable Agricultural Intensification


Authors: Drechsel, P., Heffer, P., Magen, H., Mikkelsen, R., Wichelns, D.

Publisher: IFA, IWMI, IPNI and IPI, first edition, Paris, France, January 2015.

Date of Publication: 27 Jan 2015

Language: English

A reference guide to improve general understanding of the best management practices for the use of water and fertilizers throughout the world to enhance crop production, improve farm profitability and resource efficiency, and reduce environmental impacts related to crop production. This publication is available as a hardcopy and as a pdf.

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Soil & Fertilizer: Expert Views


Publisher: IFA, Paris, France, December 2014

Date of Publication: 06 Dec 2014

Language: English

In celebration of World Soil Day and the International Year of Soils in 2015, IFA joined hands with experts on the topic of soils and fertilizers to raise public awareness on the relationship between fertilizers and soils.

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Fertigation. A Tool for Efficient Fertilizer and Water Management. Chinese Version.


Authors: Kafkafi, U., Tarchitzky, J.

Publisher: IFA, 1st edition, Paris, France, May 2014

Date of Publication: 15 May 2014

Language: Chinese

Sound water management has the potential to improve fertilizer/nutrient use efficiency. The introduction of well-tested, efficient fertilizer application through irrigation water or “fertigation” techniques could help turn vast areas of arid and semi-arid land in many parts of the world into farmland, as well as preventing water from being wasted in conventional irrigation systems. This book is a joint project of IFA and the International Potash Institute (IPI). It presents information relevant to soil-water-fertilizer interactions during fertigation. The authors have brought together various types of expertise on plant physiology, plant nutrition and irrigation, which are synthesized into practical knowledge related to fertigation in commercial field and greenhouse operations. Readers will find advice on selecting appropriate fertilizer products for fertigation of a number of field and horticultural crops. The suitability of some fertilizers for fertigation is explained from the point of view of the plant’s physiological demand at different growth stages, the type of soil or growing medium, climatic conditions and irrigation water quality. This publication is also available in English and Spanish.

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Nutrient/Fertilizer Use Efficiency: Measurement, Current Situation and Trends


Authors: Fixen, P., Brentrup, F., Bruulsema, T., Garcia, F., Norton, R., Zingore, S.

Publisher: IFA, IWMI, IPNI and IPI, April 2014

Date of Publication: 07 Apr 2014

Language: English

Nutrient use efficiency (NUE) is a critically important concept in the evaluation of crop production systems. It can be greatly impacted by fertilizer management as well as by soil- and plant-water management. The objective of nutrient use is to increase the overall performance of cropping systems by providing economically optimum nourishment to the crop while minimizing nutrient losses from the field. NUE addresses some but not all aspects of that performance. Therefore, system optimization goals necessarily include overall productivity as well as NUE. The most appropriate expression of NUE is determined by the question being asked and often by the spatial or temporal scale of interest for which reliable data are available. In this chapter we suggest typical NUE levels for cereal crops when recommended practices are employed; however, such benchmarks are best set locally within the appropriate cropping system, soil, climate and management context. Global temporal trends in NUE vary by region. For N, P and K, partial nutrient balance (ratio of nutrients removed by crop harvest to fertilizer nutrients applied) and partial factor productivity (crop production per unit of nutrient applied) for Africa, North America, Europe, and the EU-15 are trending upwards, while in Latin America, India, and China they are trending downwards. Though these global regions can be divided into two groups based on temporal trends, great variability exists in factors behind the trends within each group. Numerous management and environmental factors, including plant water status, interact to influence NUE.

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Foliar Fertilization: Scientific Principles and Field Practices


Authors: Fernandez, V., Sotiropoulos, T., Brown, P.

Publisher: IFA, 1st edition, Paris, France, March 2013

Date of Publication: 15 Feb 2013

Language: ENGLISH

Foliar fertilization offers a specific advantage over soil fertilization when plant demand for nutrients exceeds the capacity of the roots to absorb nutrient and when environmental conditions limit the effectiveness or prevent the application of nutrients to the soil. This IFA publication provides readers an up-to date information and clarification on the scientific basis of foliar fertilization and plant responses to it. It describes the ‘state-of- knowledge’ on the mechanisms of uptake by plant leaves of foliar-applied nutrient solutions. The authors of the book made an integrated analysis of the physical, chemical and biological principles known to influence the absorption and utilization of foliar fertilizers by plants and reviewed the available laboratory and field trials to provide insights into the factors that determine the efficacy of foliar applications. As current understanding of the factors that influence the ultimate efficacy of foliar applications remains incomplete, the authors strive to illustrate the challenges facing this technology as well as the research and development required for its advancement.

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Fertirrigacion. Una herramienta para una eficiente fertilizacion y manejo del agua


Authors: Kafkafi, U., Tarchitzky, J.

Publisher: IFA, IPI, 1st edition, Paris, France, Horgen, Switzerland, November 2012

Date of Publication: 11 Jan 2013

Language: SPANISH

Sound water management has the potential to improve fertilizer/nutrient use efficiency. The introduction of well-tested, efficient fertilizer application through irrigation water or “fertigation” techniques could help turn vast areas of arid and semi-arid land in many parts of the world into farmland, as well as preventing water from being wasted in conventional irrigation systems. This book is a joint project of IFA and the International Potash Institute (IPI). It presents information relevant to soil-water-fertilizer interactions during fertigation. The authors have brought together various types of expertise on plant physiology, plant nutrition and irrigation, which are synthesized into practical knowledge related to fertigation in commercial field and greenhouse operations. Readers will find advice on selecting appropriate fertilizer products for fertigation of a number of field and horticultural crops. The suitability of some fertilizers for fertigation is explained from the point of view of the plant’s physiological demand at different growth stages, the type of soil or growing medium, climatic conditions and irrigation water quality. This publication is available as a hardcopy and as a pdf.

Formats: Pdf,Hardcopy

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Fertigation. A Tool for Efficient Fertilizer and Water Management


Authors: Kafkafi, U., Tarchitzky, J.

Publisher: IFA, 1st edition, Paris, France, April 2011

Date of Publication: 16 May 2011

Language: ENGLISH

Sound water management has the potential to improve fertilizer/nutrient use efficiency. The introduction of well-tested, efficient fertilizer application through irrigation water or “fertigation” techniques could help turn vast areas of arid and semi-arid land in many parts of the world into farmland, as well as preventing water from being wasted in conventional irrigation systems. This book is a joint project of IFA and the International Potash Institute (IPI). It presents information relevant to soil-water-fertilizer interactions during fertigation. The authors have brought together various types of expertise on plant physiology, plant nutrition and irrigation, which are synthesized into practical knowledge related to fertigation in commercial field and greenhouse operations. Readers will find advice on selecting appropriate fertilizer products for fertigation of a number of field and horticultural crops. The suitability of some fertilizers for fertigation is explained from the point of view of the plant’s physiological demand at different growth stages, the type of soil or growing medium, climatic conditions and irrigation water quality. This publication is available as a hardcopy and as a pdf.

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Slow- and Controlled Release and Stabilized Fertilizers in Agriculture. An Option for Enhancing Nutrient Use Efficiency in Agriculture


Authors: Trenkel, M.E.

Publisher: IFA, 2nd edition, Paris, France, October 2010

Date of Publication: 04 Nov 2010

Language: ENGLISH

This book is an updated version of the IFA publication ‘Improving Fertilizer Use Efficiency: Controlled-Release and Stabilized Fertilizers in Agriculture’ by the same author, published in 1997. It is written for the fertilizer industry, policy makers and scientists. The main objectives of the publication are to: - Provide an up-to-date state of scientific knowledge on issues related to the development, production and use of enhanced-efficiency fertilizers (EEFs); - Explain the importance of EEFs to improve nutrient use efficiency; - Present EEF products that are currently available; - Assess the current market and prospects for EEFs. This publication is available as a hardcopy and as a pdf.

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Sulphur and Sustainable Agriculture


Authors: Till, A.R.

Publisher: IFA, 1st edition, Paris, France, May 2010

Date of Publication: 29 Apr 2010

Language: ENGLISH

The sulphur-containing amino acids methionine and cystine are essential for production of proteins; without them and other sulphur-containing materials, there would be no life as we know it. Increasing crop yields and the move to ‘high-analysis’ fertilizers that contain little sulphur has lead to increasing sulphur deficiencies, which must be urgently overcome to sustain agro-ecosystems. This timely publication brings together the many aspects of sulphur in agriculture, looking at both crop and livestock production. It discusses the importance of sulphur cycling and the essential role of sulphur fertilization. It also suggests recommendations for better managing sulphur and ensuring sustainability of agricultural systems.

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The Role of Fertilizers in Integrated Plant Nutrient Management


Authors: Alley, M.M., Vanlauwe, B.

Publisher: IFA, Paris, France, TSBF-CIAT, Nairobi, Kenya, 1st Edition, July 2009

Date of Publication: 02 Sep 2009

Language: ENGLISH

Format: Pdf

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Micronutrients for Sustainable Food, Feed, Fibre and Bioenergy Production


Authors: Bell, R.W., Dell, B.

Publisher: IFA, Paris, France, December 2008

Date of Publication: 11 Dec 2008

Language: ENGLISH

This book is written for practitioners and stakeholders in the fertiliser industry and for policy makers whose decisions may impact on the use of micronutrients in agriculture, horticulture and forestry. Th e aim of the book is to explain the growing importance of micronutrients in balanced fertilisation, to consider the micronutrient fertiliser types that are currently available and how to best use them, to assess the current market and prospects for micronutrient fertilisers, and to discuss the policy, regulatory and quality control framework needed to maximize the benefits from using micronutrient fertilisers. This publication is available as a hardcopy and as a pdf.

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Zinc in Soils and Crop Nutrition


Authors: Alloway, B.J.

Publisher: International Zinc Association (IZA), IFA, Second Edition, Brussels, Belgium and Paris, France, October 2008

Date of Publication: 09 Oct 2008

Language: ENGLISH

This book contributes significantly to better understanding of the complexities of zinc dynamics in soil and plant systems. It contains very valuable basic and practical information for a wide audience, including students, agronomists and scientists who are involved in research, extension or education in soil science, plant mineral nutrition, plant physiology or human nutrition. Detailed information is provided on the prevalence and diagnosis of zinc defi ciency problems for a number of countries and crop plants.Zinc (Zn) is an essential micronutrient but Zinc deficiency appears to be the most widespread and frequent micronutrient deficiency problem in crops worldwide particularly in countries such as India, China, Pakistan and Turkey where soils are low in available Zn, and cereals are the major source of calorie intake. It is, therefore, highly important to develop cost-effective and quick solutions to the Zn deficiency problem. A basic knowledge of the dynamics of Zn in soils, understanding of the uptake and transport of Zn in plant systems and characterizing the response of plants to Zn deficiency are essential steps in achieving sustainable solutions to the problem of Zn deficiency in plants and humans. This publication is available as a pdf and as a hardcopy.

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Efficiency of Soil and Fertilizer Phosphorus Use. Reconciling Changing Concepts of Soil Phosphorus Behaviour with Agronomic Information


Authors: Syers, J.K., Johnston, A.E., Curtin, D.

Publisher: FAO, Rome, Italy, January 2008

Date of Publication: 01 Apr 2008

Language: ENGLISH

The efficient use of phosphorus (P) is essential to many agricultural and environmental issues. These include maintaining or improving the P fertility of soils by the judicious use of P fertilizers and other sources of P, such as organic manures including animal manures, composts and biosolids. There is also the need to conserve the finite global P resource. This bulletin reviews, analyses and synthesizes information on the efficient use of soil and fertilizer P. It presents information on the plant availability of soil and fertilizer P, with an emphasis on soil plant interactions. The focus is on the changing concepts of the behaviour of both soil and fertilizer P and on the need to define and assess their recovery and, thus, P-use efficiency more appropriately. The bulletin also outlines strategies for improving P-use efficiency. Strategies for improving the efficiency of use of soil and fertilizer P include: (i) modifying surface soil properties; (ii) managing surface soil; (iii) managing P sources; and (iv) optimizing P use through economically appropriate rates and timing. The main conclusion of this bulletin is that the efficiency of fertilizer P use is often high when evaluated over an adequate time scale using the balance method.

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Sustainable Management of the Nitrogen Cycle in Agriculture and Mitigation of Reactive Nitrogen Side Effects


Authors: IFA Task Force on Reactive Nitrogen

Publisher: IFA, Paris, France, January 2007

Date of Publication: 10 Jan 2007

Language: ENGLISH

The IFA Task Force on Reactive Nitrogen has recently published a booklet providing scientific responses to frequently-asked questions on nitrogen and the environment. The potential of different N sources to meet demand, what we know, what we guess and what we don't know about the environmental and health effects of lack of N or excess N, the prospects for increasing N use efficiency, and the commitments of the fertilizer industry to improve N management are discussed in this publicatio Adopting an integrated approach to nutrient management maximizing the benefits and minimizing the risks associated with the use of N sources contributes to raising crop productivity and N use efficiency.

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Sustainable Management of the Nitrogen Cycle in Agriculture and Mitigation of Reactive Nitrogen Side Effects. Chinese Version


Authors: IFA Task Force on Reactive Nitrogen

Publisher: IFA, Paris, France, January 2007

Date of Publication: 05 Jan 2007

Language: CHINESE

The IFA Task Force on Reactive Nitrogen has published a booklet providing scientific responses to frequently-asked questions on nitrogen and the environment. The potential of different N sources to meet demand, what we know, what we guess and what we don't know about the environmental and health effects of lack of N or excess N, the prospects for increasing N use efficiency, and the commitments of the fertilizer industry to improve N management are discussed in this publicatio Adopting an integrated approach to nutrient management maximizing the benefits and minimizing the risks associated with the use of N sources contributes to raising crop productivity and N use efficiency.

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Soil Fertility and Plant Nutrition in the Tropics and Subtropics


Authors: Amberger, A.

Publisher: IFA, IPI, First version, Paris, France, November 2006

Date of Publication: 01 Nov 2006

Language: ENGLISH

This book is published jointly by the International Potash Institute (IPI) and IFA. It discusses the possibilities and barriers to food production on the many different soil types found in tropical and subtropical countries. By indicating ways in which crop nutrition and hence crop production can be increased on these soils in developing countries, the author shows how to ensure food security and improve livelihoods. A. Amberger has extensive experience in the tropics and subtropics, coordinating and organizing agricultural research programmes and serving as a consultant to international organizations. The topics discussed in this book are a synthesis of Professor Amberger's considerable experience and a testimonial to his many years of collaborative scientific effort. The text is based largely on his lectures to students at the Technical University of Munich and at international congresses.

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Fertilizers and their Use. A Pocket Guide for Extension Officers. Chinese Version


Publisher: FAO, IFA, 4th edition, revised version, Rome, Italy, 2005

Date of Publication: 01 Jun 2005

Language: CHINESE

This booklet present guidelines for extension staff on the use of fertilizers. It explains the need for mineral fertilizers for agricultural development in support of food security and the maintenance of soil productivity. The booklet addresses the role of fertilization in plants in relation to soil characteristics. It provides general fertilizer recommendations for selected crops and contains information on soil and plant tissue testing. Practical suggestions are also offered regarding the design of fertilizer use demonstrations and extension techniques in general.

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Soil and Plant Nitrogen


Authors: Hofman, G., Cleemput, O. van

Publisher: IFA, Paris, France, September 2004

Date of Publication: 01 Sep 2004

Language: ENGLISH

This publication provides updated information on the nitrogen cycle, nitrogen transformations in the soil, the role of nitrogen in plants, nitrogen fertilization in crop production and nitrogen fertilization and environmental issues. It was written by Georges Hofman and Oswald Van Cleemput from the University of Ghent in Belgium.

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Estimaciones globales de las emisiones gaseosas de NH3, NO y N2O provenientes de las tierras agricolas


Publisher: IFA, FAO, Rome, Italy, 2004

Date of Publication: 01 Jun 2004

Language: SPANISH

Las plantas absorben solamente el 50 por ciento del fertilizante nitrogenado que se aplica a la tierra agrÝcola. Esta ineficacia del uso del fertilizante es en parte el resultado de las emisiones de amonÝaco (NH3), de ¾xido nitroso (N2O) y de ¾xido nÝtrico (NO). La cuantificaci¾n de estas emisiones es importante tanto para aumentar en lo posible la eficacia del uso de los fertilizantes como para controlar las repercusiones de las mencionadas emisiones en los ecosistemas, en la contaminaci¾n atmosférica y en el efecto invernadero. En esta publicaci¾n se ofrece una revisi¾n completa de la literatura sobre las emisiones de NH3, N2O y NO, y se examinan los aspectos reglamentarios, las técnicas de medici¾n y los modelos relativos a las emisiones objeto de estudio. Ademßs, se presentan datos y se generan estimaciones globales de emisiones de NH3, N2O y NO que pueden servir de punto de partida para tratar con mayor detalle las cuestiones de eficacia del uso de fertilizantes y las consecuencias de las emisiones en el ambiente. In general, plants take up only about 50 per cent of the nitrogen fertilizer applied to agricultural land. Part of this inefficiency is a result of emissions of ammonia, nitrous oxide and nitric oxide. Quantifying these emissions is important, both as part of an attempt to improve fertilizer use efficiency and because of their influence on ecosystems, atmospheric pollution and the so-called greenhouse effect. This report provides a comprehensive review of the literature about emissions and examines the regulation factors, measurement techniques and models. It draws these data together and generates global emission estimates that can serve as a basis for further addressing the issues of efficiency and environmental impact.

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Estimations des émissions gazeuses de NH3, NO et N2O par les terres agricoles à l'échelle mondiale


Publisher: IFA, FAO, Rome, Italy, 2003

Date of Publication: 26 Mar 2003

Language: FRENCH

Les plantes absorbent seulement 50 pour cent de l'engrais azoté appliqué aux terres agricoles. Une partie de cette inefficacité est le résultat des émissions d'ammoniac (NH3), de protoxyde d'azote (N2O) et de monoxyde d'azote (NO). La quantification de ces émissions est importante, tout d'abord en tant qu'élément d'une tentative d'amélioration de l'efficacité de l'utilisation des engrais et ensuite du fait de leurs effets sur les écosystèmes, la pollution atmosphérique et l'effet dit de serre. Ce rapport fournit une vaste revue de la littérature au sujet des émissions de NH3, de N2O et de NO, et examine les facteurs de régulation, les techniques de mesure et les modèles. Il réunit ces données et produit des évaluations globales d'émission qui peuvent servir de base pour aborder par la suite les questions d'efficacité et d'impact sur l'environnement. In general, plants take up only about 50 per cent of the nitrogen fertilizer applied to agricultural land. Part of this inefficiency is a result of emissions of ammonia, nitrous oxide and nitric oxide. Quantifying these emissions is important, both as part of an attempt to improve fertilizer use efficiency and because of their influence on ecosystems, atmospheric pollution and the so-called greenhouse effect. This report provides a comprehensive review of the literature about emissions and examines the regulation factors, measurement techniques and models. It draws these data together and generates global emission estimates that can serve as a basis for further addressing the issues of efficiency and environmental impact.

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Fertilizers and their Use. A Pocket Guide for Extension Officers. Arabic Version


Publisher: FAO, IFA, 4th edition, revised version, Rome, Italy, 2003

Date of Publication: 26 Mar 2003

Language: ARABIC

This booklet present guidelines for extension staff on the use of fertilizers. It explains the need for mineral fertilizers for agricultural development in support of food security and the maintenance of soil productivity. The booklet addresses the role of fertilization in plants in relation to soil characteristics. It provides general fertilizer recommendations for selected crops and contains information on soil and plant tissue testing. Practical suggestions are also offered regarding the design of fertilizer use demonstrations and extension techniques in general.

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Les engrais et leur utilisation. Précis à l'usage des agents de vulgarisation agricole


Publisher: FAO, IMPHOS, IFA, 4th edition, revised version, Rome, Italy, 2003

Date of Publication: 26 Mar 2003

Language: FRENCH

Cette brochure présente des orientations sur l'utilisation des engrais pour les agents de vulgarisation. Elle explique qu'un développement agricole à mÛme de contribuer à la sécurité alimentaire des populations et maintenir la productivité agricole des sols doit s'appuyer sur l'emploi des engrais minéraux. Elle traite du rôle de la fertilisation des cultures basée sur la caractéristiques du sol. Elle donne des recommandations générales en matière de fertilisation minérale de certaines cultures et contient des informations sur les analyses se sols et de plantes. Quelques suggestions pratiques sont également présentées sur les dispositifs pour conduire des démonstrations sur l'utilisation des engrais, et d'une façon générale, sont présentées des techniques pour la mise en oeuvre d'actions de vulgarisation agricole. This booklet present guidelines for extension staff on the use of fertilizers. It explains the need for mineral fertilizers for agricultural development in support of food security and the maintenance of soil productivity. The booklet addresses the role of fertilization in plants in relation to soil characteristics. It provides general fertilizer recommendations for selected crops and contains information on soil and plant tissue testing. Practical suggestions are also offered regarding the design of fertilizer use demonstrations and extension techniques in general.

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Los fertilizantes y su uso. Una guia de bolsillo para los oficiales de extension


Publisher: FAO, IFA, 4th edition, revised version, Rome, Italy, 2002

Date of Publication: 01 Jun 2002

Language: SPANISH

Esta guia presenta directrices para el personal de extension sobre el empleo de fertilizantes. Explica la necesidad de fertilizantes minerales en el desarrollo agricola para el apoyo de seguridad alimentaria y el mantenimiento de productividad del suelo. La guia indica la funcion de la fertilizacion de las plantas con relacion a las caracteristicas del suelo. Asimismo, proporciona recomendaciones generales sobre fertilizantes para cultivos seleccionados y contiene informacion sobre analisis de suetos y de tejido de plantas. La guia proporciona sugerencias practicas para et diseno de demostraciones del uso de fertilizantes y técnicas de extension en general. This booklet present guidelines for extension staff on the use of fertilizers. It explains the need for mineral fertilizers for agricultural development in support of food security and the maintenance of soil productivity. The booklet addresses the role of fertilization in plants in relation to soil characteristics. It provides general fertilizer recommendations for selected crops and contains information on soil and plant tissue testing. Practical suggestions are also offered regarding the design of fertilizer use demonstrations and extension techniques in general.

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Fertilizer Retailing Guide


Publisher: IFA, FAO, revised edition, Paris, France, April 2002

Date of Publication: 01 Apr 2002

Language: ENGLISH

The guide is for all fertilizer retailers whether they are independent merchants or work for cooperatives or government agencies. The text consists of answers to questions asked by a retailer. The topics discussed include advice on running a fertilizer business, with particular emphasis on ways of controlling costs, the economics of using fertilizers, ways to promote fertilizer sales, characteristics of fertilizers, storage and handling and the application of fertilizers. This guide is an update of the 1990 version of the FAO ‘Fertilizer Retailing Guide’. This English version addresses in particular the retailers of the sub-Saharan African region.

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The State of Food and Agriculture in Asia and the Pacific: Challenges and Opportunities


Authors: Singh, R.B.

Publisher: IFA, FAO, 1st version, Paris, France, April 2002

Date of Publication: 01 Apr 2002

Language: ENGLISH

This report was written by R.B. Singh, Assistant Director General and Regional Representative for Asia and the Pacific, Food and Agriculture Organization of the United Nations (FAO) Regional Office, Bangkok, Thailand. It is an adaptation of a keynote speech presented at the International Fertilizer Industry Association (IFA) Annual Conference in Sydney, Australia in May 2001. This special reprint was prepared to highlight a key issue facing the region in the lead-up to the World Summit on Sustainable Development in Johannesburg, 26 August-4 September 2002.

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Guide du détaillant d'engrais


Publisher: IFA,FAO, 2nd edition, December 2001

Date of Publication: 01 Dec 2001

Language: FRENCH

Ce guide est une mise à jour du "Guide du détaillant d'engrais" publié par la FAO en 1990. Cette version en français a été adaptée plus particulièrement pour l'Afrique occidentale. Le guide s'adresse à tous les détaillants d'engrais, qu'il s'agisse de commerçants ou de personnes employées dans des coopératives ou des organisations gouvernementales. Le texte consiste en des réponses à des questions posées par un détaillant. Le texte des thèmes examinés comprend des conseils sur la manière de gérer un magasin d'engrais, l'accent portant sur les moyens de contrôle des coùts, les aspects économiques de l'utilisation des engrais, la promotion de leur vente, leurs caractéristiques, l'entreposage et la manutention et enfin l'utilisation et l'application de ces engrais. This guide is an update of a 1990 version of the FAO "Fertilizer Retailing Guide" and addresses in particular the retailers of the French-speaking African countries.

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Global Estimates of Gaseous Emissions of NH3, NO and N2O from Agricultural Land


Publisher: IFA, FAO, Rome, Italy, 2001

Date of Publication: 01 Jun 2001

Language: ENGLISH

This document presents guidelines for governments on the development of fertilizer strategies. It illustrates the differences before and after the involvement of the private sector and offers solutions for improvement. It discusses the role of fertilizers in the development of agriculture along with the factors that have an impact on their use by farmers. It gives practical suggestions for decision makers regarding the production or import of fertilizers and then deals with the many issues involved in the efficient distribution and marketing of fertilizers.

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Mineral Fertilizer Use and the Environment


Authors: Isherwood, K.F.

Publisher: IFA, UNEP, Revised edition, Paris, France, February 2000

Date of Publication: 25 Nov 2000

Language: English

This report analyzes the issues concerning the use of mineral fertilizers. Improvement of the efficiency of fertilizer use is highlighted as a major challenge. Inefficient use not only increases the risk of negative environmental impacts, but also represents a large waste of natural resources and a substantial economic loss.

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Soil and Plant Phosphate


Authors: Johnston, A.E.

Publisher: IFA, Paris, France, September 2000

Date of Publication: 01 Sep 2000

Language: ENGLISH

Phosphorus is essential to all living organisms. In nature, elemental phosphorus is always combined with other elements to form many different phosphates, some of which are very complex. This book written by A.E. Johnston, explores the pathways through which phosphorus is taken up from the soil by plants and passes from one organism to another in the food chain. Environmental issues are examined and recommendations are included to maximize fertilizer use efficiency.

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Fertilizers and their Use. A Pocket Guide for Extension Officers


Publisher: FAO, IFA, 4th edition, revised version, Rome, Italy, 2000

Date of Publication: 01 Sep 2000

Language: ENGLISH

This booklet present guidelines for extension staff on the use of fertilizers. It explains the need for mineral fertilizers for agricultural development in support of food security and the maintenance of soil productivity. The booklet addresses the role of fertilization in plants in relation to soil characteristics. It provides general fertilizer recommendations for selected crops and contains information on soil and plant tissue testing. Practical suggestions are also offered regarding the design of fertilizer use demonstrations and extension techniques in general.

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Plant Nutrients for Food Security


Authors: Dudal, R.

Publisher: IFA, Paris, France, 1996

Date of Publication: 01 Apr 1996

Language: ENGLISH

This IFA position document was prepared for the FAO World Food Summit in 1996. It focuses on the importance of the effective management of plant nutrients as a major component of agricultural development. The sources of plant nutrients may include mineral fertilizers, biological nitrogen fixation and/or organic materials. This publication is suitable for educational purposes.

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Efficient Use of Plant Nutrients in Agriculture


Authors: Johnston, A.E.

Publisher: IFA, Paris, France, 1995

Date of Publication: 12 May 1995

Language: ENGLISH

A.E. Johnston, the 1994 IFA International Award winner, is the author of this brochure on the efficient use of fertilizers and sustainable agriculture. Farming efficiency, agricultural sustainability and environmental quality are all linked together in the quest for human survival. A.E. Johnston suggests that the guiding principle in this quest should be to minimize the use of non-renewable natural resources whilst maximizing benefits and recycling. This publication is suitable for educational purposes.

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World Fertilizer Use Manual


Authors: Wichmann, W.

Publisher: BASF AG, Germany, IFA, France, 1992

Date of Publication: 01 Jun 1992

The manual is a 600-page handbook, containing detailed information on current fertilizer use recommendations and practices, for a wide range of world crops. Following an introduction on fertilizers and their efficient use, there are chapters on individual crops or groups of crops, each written by an author who is a recognized expert on the crop(s) in question. There is information on more than 100 crops grown for food and renewable raw materials. Each chapter contains information on the biology of the crop, plant and soil analysis data, nutrient uptake and removal figures, recommendations for fertilizer use, current fertilizer practices in different countries and further reading. 80 crop specialists contributed to the manual. Dr. W. Wichmann of BASF co-ordinated and edited the contributions of the different authors. Mr. D.J. Halliday, Dr. G. Kemmler and Dr. M.E. Trenkel also reviewed the texts. Professor A. Finck prepared the introduction. The manual is available as a hardcopy or as a pdf.

Format: Hardcopy

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