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文章介绍了西非洲一些花生主要生产国的花生施肥制度,并提出了依据叶片诊断确定施肥量的临界值指标。尼日利亚所推荐的施肥措施是每公顷单施60—120公斤过磷酸钙态的硫磷;加纳是每公顷施用45公斤P_2O_5,对于某些地区加施10公斤K_2O,而在轻壤土上或土壤肥力很低的沙壤土上,再加施10—20公斤氮肥;岗比亚是每公顷施用8—12—8的NPK复合肥料170公斤。
The article introduced the peanut fertilization system of some peanut main producing countries in West Africa, and put forward the critical value index of fertilization based on the diagnosis of leaves. The recommended fertilization measures in Nigeria are 60-120 kilograms of superphosphate perchlorate phosphorous, 45 kilograms of P2O5 per hectare for Ghana and 10 kilograms of K2O for some areas, whereas on light loam or soil fertility Very low sandy soils, plus 10-20 kilograms of nitrogen fertilizer; Gangbiya is applied per hectare 8-12-8 NPK compound fertilizer 170 kilograms.