01118nam a2200229Ia 4500 CTU_173008 210402s9999 xx 000 0 und d 631.85 S981/N.18 Syers, J.K Food and Agriculture Organization of the United Nations Efficiency of soil and fertilizer phosphorus use : Reconciling changing concepts of soil phosphorus behaviour with agronomic information J.K. Syers, A.E. Johnston, D. Curtin Rome Food and Agriculture Organization of the United Nations 2008 This report has benefited from the valuable inputs provided at all stages of its preparation by the other joint sponsors: the fercilizer Institute, the International Fertilizer Industry Association, the International Plant Nutrition Institute, and the World Phosphate Institute. Phosphatic fertilizers,Soils,Phân lân,Đất Phosphorus content,Lượng phân lân Lan, Năm Trung tâm Học liệu Trường Đại học Cần Thơ