Nitrogen content can be predicted by the HIS space.
通过HIS颜色空间可以对冬小麦叶氮含量进行估算与监测。
参考来源 - 基于可见光—近红外光谱的冬小麦氮素营养诊断与生长监测The nitrogen content of the plant was on the decrease during the growth of the soybean seedlings.
在大豆生长期间，含氮量随时间延长下降。
参考来源 - 茉莉酸甲酯对大豆结瘤和固氮影响的研究The relationships between plant nitrogen content,transfer and utilization and grain quality in different taste rice varieties were studied.
以不同食味品质类型水稻品种为供试材料,研究了水稻植株内氮素含量、转化利用与品质性状之间的关系。
参考来源 - 水稻品种氮素代谢特性与稻米主要品质性状关系的研究Analysis on nutrients monitoring of Zhuzhuang reservoir shows that nitrogen content is hundreds of times more than phosphorus.
通过对朱庄水库营养物质监测分析,氮含量比磷含量大几百倍。
参考来源 - 氮、磷循环特征对水体富营养化影响分析·2,447,543篇论文数据，部分数据来源于NoteExpress
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