油菜机直播氮肥试验分析
Shanghai Agricultural Science and Technology（2014）
Abstract
为进一步提高机直播油菜的产量,开展了机直播油菜全生育期纯N总投入量、氮肥运筹对油菜产量影响的试验.结果表明,当全生育期纯氮投入量为20 kg/667 m2、基(苗)肥∶腊肥∶薹肥为6∶1∶3时,油菜产量最高.
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