水热化学法活化磷矿粉的生物有效性研究
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S143.2+1

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国家科技支撑计划项目(-稳定性肥料关键技术研究及产业)(2011BAD11B04)


Bioavailability of Phosphate Rock Activated under Hydrothermal Condition
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    摘要:

    本文研究了水热化学法活化磷矿粉的效果及对油菜生长的影响。结果表明:磷矿粉经水热及酸热活化后水溶性磷、有效磷含量及枸溶率较普通磷矿粉均有较大提高;磷矿粉经活化后提高了其生物有效性,对油菜的各项生长指标产生了显著影响;磷矿粉经活化后磷肥利用率也有较大提高,水热活化的处理比普通磷矿粉的处理油菜植株磷肥利用率提高了60.9%;磷矿粉经活化后能提高土壤有效磷的含量,施水热活化磷矿粉的处理与施普通磷矿粉的处理相比可使土壤有效磷增加0.3 mg/kg。

    Abstract:

    The activation effect of phosphate rock under hydrothermal condition and its effects on rape growth were studied. The results showed that the water-soluble P content, available P content and citric soluble rate of the activated phosphate rock under hydrothermal condition were all highly improved than that of phosphate rock. The hydrothermal activated phosphate rock improved bioavailability, which was beneficial to the rape growth significantly. The fertilizer use efficiency of hydrothermal activated phosphate rock by rape was markedly increased, which increased 60.94% than that of PR. All kinds of phosphate fertilizer application treatments increased the content of available P in soil. The soil available P which applied hydrothermal activated phosphate rock increased 0.3mg/kg compared with the treatment applied PR.

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何海勇,齐鑫,石元亮.水热化学法活化磷矿粉的生物有效性研究[J].东北农业科学,2013,38(5):36-39.

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  • 收稿日期:2013-02-06
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  • 在线发布日期: 2024-12-06
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