Phosphate fertilizer addition increases the movement distance and content of the acid soil inorganic phosphorus fractions at green manure microsites

文献类型： 外文期刊

第一作者： Wang, Y.

作者： Wang, Y.;Huang, J.;Hong, J.;Wang, Y.;Huang, J.;Huan, H.;Huang, D.;Liu, G.;Hong, J.;Dong, R.;Lesueur, D.;Lesueur, D.;Lesueur, D.;Lesueur, D.

作者机构：

关键词： green manure microsite; Al-associated Pi; Ca-associated Pi; Fe-associated Pi; occluded P

期刊名称：AGROCHIMICA （ 影响因子：0.654； 五年影响因子：0.803 ）

ISSN： 0002-1857

年卷期： 2020 年 64 卷 4 期

页码：

收录情况： SCI

摘要： To investigate the movement and content of the acid soil Pi fractions at different distances from the green manure (GM) application site at a GM microsite, an incubation experiment was conducted. Stylosanthes GM (10 or 40 ton/ha) was applied with or without phosphate fertilizer (monocalcium phosphate, MCP) at a concentration of 44 kg/ha P, which was laid on the surface in soil cylinders. The GM/fertilizer and soil were incubated for 14 and 28 d. The results indicated the movement distance and content of the Pi fractions (Al-, Fe-, and Ca-associated Pi as well as occluded P) in the acid soil microsite were significantly increased after the addition of MCP; however, the movement distances of the Pi fractions were all less than 3 mm after incubation for 28 d. This information will improve the efficiency of combined P and GM use and decrease the environmental load due to P pollution caused by GM and phosphate fertilizer.

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