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小粒种咖啡的施磷试验１９７８—１９９２年间，在古巴对各类土壤上的小粒种咖啡作物进行大田施Ｐ试验，以确定各类土壤的Ｐ需求量。评估铁素土壤、非碳酸盐揭土、红山地铁铝土壤和红铁铝土壤上年施肥反应和中期施肥效应及它们与第一次施肥的相互作用。肥效反应同土壤内在...
Phosphorus test of small-grain coffee During 1978-1992, P-tests were conducted on small-grain coffee crops on various soils in Cuba to determine P requirements for various types of soils. Assessment of annual and non-seasonal fertilization and their interactions with the first fertilization on non-carbonate terrestrial, Hongshan Metro aluminum and red-iron-aluminum soils. Fertilizer effect with the soil intrinsic ...