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中国农学通报

中国农学通报 ›› 2005, Vol. 21 ›› Issue (11): 220-220.

所属专题： 油料作物

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大豆在白浆土中的吸肥规律及施肥对其产量的影响

王玉峰   

  • 出版日期:2005-11-05 发布日期:2005-11-05

Absorbing-fertilizer Law of Soybean in Albic Soil and Effect of Fertilization Amount to Soybean

Wang Yufeng   

  • Online:2005-11-05 Published:2005-11-05

摘要： 白浆土中的速效氮和钾的释放高峰在苗期，速效磷则在大豆的整个生育期变化不大，而大豆对氮、磷、钾的吸收高峰均在花期；N、P、K三要素及元素之间互作对大豆生长均为正效应，由此可为合理施肥提供理论依据。

Abstract: Releasing peak of quick-acting N and K in Albic soil is at seeding stage , Releasing amount of quick-acting P almost has no change during the whole growth period ; absorbing peak of soybean’s nutrient—N, P, K are measured at flowering period; Interaction e