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首页> 外文期刊>日本土壤肥料学雑誌 >Protein content of milled rice as affected by grain weight and nitrogen-use efficiency on the number of grains.
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Protein content of milled rice as affected by grain weight and nitrogen-use efficiency on the number of grains.

机译：碾米的蛋白质含量受谷物重量和氮利用效率对谷物数量的影响。

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摘要

Field experiments were conducted to clarify the protein content of milled rice as affected by the amount of nitrogen (N) in grains and grain weight from 1990 to 1996 using cv. Sasanishiki and cv. Haenuki. Both varieties showed the same response. Theresults showed: (1) a negative correlation between the amount of N in the rice plant at heading and N use efficiency (defined here as the number of grains/amount of N in the plant at heading, NUE) was observed. A linear relationship between protein content in milled rice and NUE was observed; (2) there was a linear relation between amount of N in the plant at headingumber of grains and amount of N in the milled rice; (3) a negative correlation existed between protein content of milled rice and grainweight when the amount of N in the rice plant at heading was <13.0 gthinm-2; and (4) increased grain weight resulted due to a decrease in the protein content of the milled rice if the amount of N in the milled rice was the same. The same trend was observed if the N use efficiency of the grain number was the same.
机译：1990年至1996年，使用cv进行了田间试验，以弄清碾米的蛋白质含量受谷物中氮含量和粒重的影响。 Sasanishiki和简历。春树两种变种表现出相同的反应。结果表明：（1）抽穗期水稻植株中的氮含量与氮素利用效率（此处定义为抽穗期水稻中的粒数/氮素含量，NUE）之间呈负相关。稻米中蛋白质含量与NUE之间存在线性关系。 （2）抽穗时的植株中的氮含量/谷粒数与精米中的氮含量之间存在线性关系; （3）当抽穗期水稻植株中的N含量<13.0 gthinm-2时，碾米的蛋白质含量与粒重之间存在负相关; （4）如果磨米中的N含量相同，则由于磨米中蛋白质含量的减少而导致谷物重量增加。如果晶粒数的氮利用效率相同，则观察到相同的趋势。

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