施氮量对优质粳稻产量和品质的影响

Anhui Agricultural Science Bulletin(2020)

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Abstract
以南粳46为供试材料,采用田间小区试验,研究不同施氮量对其产量和品质的影响.结果 表明:施氮量增加使南粳46的齐穗期推迟,各处理产量明显高于对照无肥区,各处理产量随着施氮总量的增加而增加;适当增施氮肥可以改善稻米的加工品质,并提高其营养品质,但可能影响稻米口感.综合看来,适宜的施氮量为285kg/hm2.
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