Fertilizers and their Use. A Pocket Guide for Extension Officers

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.