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

机译:磷肥肥料添加增加绿色粪便微量酸土无机磷馏分的移动距离和含量

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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.
机译:None

著录项

  • 来源
    《Agrochimica》 |2020年第4期|共16页
  • 作者单位

    Hainan Univ HU Haikou 570228 Hainan Peoples R China;

    Hainan Univ HU Haikou 570228 Hainan Peoples R China;

    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;

    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;

    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;

    CIRAD Performance Trop Prod &

    Proc Syst Dept UMR Eco &

    Sols Hanoi Vietnam;

    Hainan Univ HU Haikou 570228 Hainan Peoples R China;

    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;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 农业化学;
  • 关键词

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

    机译:绿色粪便微型;Al相关的pi;Ca相关的pi;Fe相关的pi;闭塞p;

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