This booklet introduces the role of fertilisation in plants in relation to soil characteristics, with fertiliser recommendations for 16 selected crops, including rice, cassava, onions and tomatoes, and gives practical suggestions on fertiliser use demonstrations. Fertilizers and their Use. A pocket guide for extension officers IFA / FAO, 2000. 70 pp. ISBN 92 5 104414 7 Free of charge IFA, 28 rue Marbeuf 75008 Paris, France Fax : +33 153 930 545 Email: ifa@fertilizer.org Website: www.fertilizer.orgThis booklet introduces the role of fertilisation in plants in relation to soil characteristics, with fertiliser recommendations for 16 selected crops, including rice, cassava, onions and tomatoes, and gives practical suggestions on fer...