生物菌肥对水稻氮素利用率及产量的影响
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S511

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辽宁省大学生创新创业项目(201611779033);辽东学院青年基金项目(2014Q18)


Effect of Biological Fertilizer on Nitrogen Use Efficiency and Yield of Rice
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    摘要:

    以丹粳17为试验材料,研究生物菌肥对水稻氮素利用率及产量的影响。结果表明:在相同生物菌肥处理下,随着氮肥用量的增加,农学氮素利用率有降低的趋势。水稻的氮肥利用率表现为:W1N1>W1N2>W0N1>W0N2。施用生物菌肥处理的水稻氮肥利用率与对照达到极显著差异。氮肥偏因素生产力与农学氮素利用率的变化规律一致,即中氮处理水稻氮肥偏因素生产力高于高氮处理。不同氮肥水平下增施生物菌肥均可显著提高水稻的产量,中氮处理下增产效果最为明显。

    Abstract:

    In this study, Danjing17 were used for research on the effect of Biological Fertilizer on the nitrogen use efficiency and yield of rice, which indicates that agronomic nitrogen use efficiency decreased with the increase of nitrogen fertilizer at the same level of microbial fertilizer. Nitrogen use efficiency of rice was treated by W1N1> W1N2> W0N1> W0N2. Application of bio fertilizer treatment of cultivated rice nitrogen utilization rate and control significantly. The variation regularity of nitrogen partial factor productivity was identical with agronomic nitrogen utilization rate, that is to say, the nitrogen factor productivity of medium nitrogen treated rice was higher than that of high nitrogen treatment. In the different levels of nitrogen fertilizer increased bacterial manure could significantly improve the yield in medium nitrogen yield the most obvious effect.

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吴云艳,王鑫厚.生物菌肥对水稻氮素利用率及产量的影响[J].东北农业科学,2021,46(5):18-20,70.

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  • 收稿日期:2019-03-18
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  • 在线发布日期: 2024-11-26
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