氮、磷、钾及微量元素肥料配施对蚕豆养分吸收利用的影响

Effects of N, P, K and Trace Element Fertilizer on Nutrient Absorption and Utilization of Broad Bean

对蚕豆(Vicia faba L.)进行了氮、磷、钾、硼、钼肥料配施试验。结果表明,氮、磷、钾、硼、钼肥配合施用对蚕豆子粒产量、地上部分生物量和收获指数均有明显影响,按肥料增产率由高到低的顺序依次是磷>氮>钾>钼>硼。氮、磷、钾、硼、钼肥合理配施,能够促进蚕豆地上部养分的累积,增加氮、磷、钾养分的含量。同时氮和磷在子粒中分配比例也相应提高,钾在茎秆和角果壳中分配比例较高,子粒中较低。

The Nitrogen, Phosphorus, Potassium, Boron, Molybdenum fertilization were applied on broad bean （Viciafaba L.）. The results showed that nitrogen, phosphorus, potassium, boron, molybdenum had significant effects on grain yield, biomass and harvest index. Yield rate from high to low was in the order of P〉N〉K〉Mo〉B. Reasonable combined application of Nitro- gen, phosphorus, potassium, boron, molybdenum fertilizer promoted the accumulation of nutrients in the upper part of broad bean, increased the content of N,P,K nutrient. The distribution ratio of N and P in the grain and the distribution proprotion of K in stem and increased. There was low K in ~rain.