Download or read book Fertilizers and Their Use written by International Fertilizer Industry Association and published by Food & Agriculture Org.. This book was released on 2000 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rationale for the need of fertilizers (increase of production and increase of farm income); Nutrients - their role for the plant and their sources; Soils; Fertilizer recommendations for selected crops according to their needs; The importance of balanced fertilization; Fertilizers, their appearance, quality, labeling; Calculation of fertilizer rates; How to apply fertilizers; Hot to determine fertilizer needs; Other factors limiting crop yields; Fertilizer extension work.