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ying yong dian fen ce shi qi pan duan sui fei shi yong fang fa
Pages: 22-25
Year: Issue:  3
Journal: Reclaiming and Rice Cultivation

Keyword:  淀粉测试器氮素营养穗肥营养状态水稻测试法施用量密切相关试验研究;
Abstract: <正> 一、淀粉测试器在水稻体内积蓄着合成的淀粉,但其积蓄量是与氮的营养状态密切相关的,如氮素营养充足时,积蓄量就少,而氮素不足时积蓄量就多。东京农工大学教授村山登和农林省农业技术研究所的川原崎裕司等,根据多年对淀粉反应的试验研究,认为可以用来做为穗肥是否需用可能性的一种判断。应用这个原理,提出了"淀粉测试法"用来检查水稻的氮素营养状态。它是
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