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用9个豆科植物为供试材料，测定在缺磷的砂土上施用Ca（H2PO4）2对9种植物产酸量的影响．研究结果表明：Lupinusalbus，lupinuslutens和Biserrulapelecinus对增施磷肥的需求量比Ciceraritimum,Viciafaba，Medicagopolymorpha,Ornithopussativus和Trifoliumsubterraneun低，而Lupinusangustifolius需求量最高.当增施磷肥，使其达到适度水平时，比酸度有所增加，但进一步增施磷肥则使植株产酸量减少．在几种豆类植物中，C．arietinum产酸量最高，B．pelecinus最低．比酸度与过量阳离子、灰碱、钙和镁等浓度有关．在不考虑施磷和植物种类的情况下，植物产酸总量与植株地上部分过量阳离子总量恰好一致；在施磷量不同的情况下，豆科植物产酸量主要由其吸收阳离子和阴离子的差异决定．
Nine legumes were used as test materials to determine the effect of applying Ca (H2PO4) 2 on acid-deficient soil on the acid production of nine plants. The results showed that the demand of increasing phosphorus fertilizer by Lupinusalbus, lupinuslutens and Biserrulapelecinus was lower than that of Ciceraritimum, Viciafaba, Medicagopolymorpha, Ornithopussativus and Trifoliumsubterraneun, while the demand of Lupinus angustifolius was the highest.When phosphorus was applied to a moderate level, Increase, but the further increase of phosphate fertilizer plant acid production decreased. In several legumes, C. Arietinum highest acid production, B. pelecinus lowest Than the acidity and excess cation, alkali, calcium and magnesium concentrations related. Regardless of phosphorus and plant species, the total amount of acid produced by the plant was exactly the same as the total amount of excess cations in the above-ground parts of the plant. In the case of different amounts of phosphorus, the amount of acid produced by the legumes was mainly determined by their absorption of cations and anions The difference is decided.