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麦草全量还田机插秧氮肥运筹试验研究

薛根祥,仲凤翔,王国平,郜微微,崔世荣,丁祥峰,仲玉江

Bulletin of Agricultural Science and Technology（2016）

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Abstract
通过对水稻氮肥运筹按基蘖肥与穗肥6:4和7:3两个配比模式下,对分蘖肥分1次和2次、穗肥分促花肥和保花肥的不同施用方式进行试验比较,明确了在麦草全量还田机插秧栽培条件下,水稻氮肥运筹按基蘖肥与穗肥6∶4为好;分蘖肥分2次施用有利于控制无效分蘖,促进壮秆大穗的形成;穗肥分促花肥、保花肥2次施用能提高结实率和千粒重,增产效果明显.
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