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    • 氮肥运筹对钵苗机插水稻性状及产量的影响

    Qi-lai XU,Long QIN,Song YANG

    Journal of Anhui Agricultural Sciences（2017）

    Cited 3|Views3
    Abstract
    [目的]研究不同氮肥运筹对钵苗机插水稻性状及产量的影响.[方法]以杂交籼稻 Ⅱ 优118和常规粳稻武运粳27为材料,研究不同基蘖肥和穗肥比例对水稻茎蘖动态、成穗率、产量及其构成因素的影响.[结果]基蘖肥:穗肥为7∶3的氮肥运筹方式有利于提高穗数,增加产量;Ⅱ 优118以基蘖肥178.5 kg/hm2、总用氮量255 kg/hm2的处理的产量最高;武运粳27以基蘖肥252.0 kg/hm2、总用氮量360 kg/hm2的处理的群体产量最高.[结论] 该研究为钵苗机插水稻的最佳氮肥运筹方式的推广提供理论基础.
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