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
作者： Wang, Y. 1 ; Huang, J. 1 ; Huan, H. 2 ; Huang, D. 2 ; Liu, G. 2 ; Lesueur, D. 3 ; Hong, J. 1 ; Dong, R. 2 ;
作者机构： 1.Hainan Univ HU, Haikou 570228, Hainan, Peoples R China
2.Chinese Acad Trop Agr Sci CATAS, Trop Crops Genet Resources Inst, Key Lab Crop Gene Resources & Germplasm Enhanceme, Minist Agr & Rural Affairs, Haikou 571101, Hainan, Peoples R China
3.CIRAD, Performance Trop Prod & Proc Syst Dept, UMR Eco & Sols, Hanoi, Vietnam
4.Univ Montpellier, Eco & Sols, CIRAD, INRAE,IRD,Montpellier SupAgro, Montpellier, France
5.Alliance Biovers Int & CIAT, Asia Hub, Hanoi, Vietnam
6.Deakin Univ, Fac Sci Engn & Built Environm, Sch Life & Environm Sci, Geelong, Vic, Australia
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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