作 者 ：杨肖娥;孙羲
期 刊 ：作物学报 1991年 17卷 04期 页码：283-291
关键词：硝态氮；铵态氮；光合作用；激素平衡；核酸和蛋白质含量；杂交水稻；
Keywords:Nitrate, Ammoniun, Photosynthesis, Hormonal balance, Protein and nucleic acid, Hybrid rice,
摘 要 ：Abstract:Pot experiment was conducted in 1986 to investigate the effect of NO3- or NH4+ top-dressing 7 days before heading to the physiological function of the leaf blades and grains of Shanyou 6 and Zheli 1. The results showed that NO3- N top
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