
水稻叶片含氮量无损快速测定方法
网络出版日期: 2017-03-20
基金资助
现代农业产业技术体系建设专项(CARS-01-26);国家重点研发计划项目(SQ2016ZY06003823)
Nondestructive and Rapid Determination Method of Nitrogen Content of Rice Leaves
黄洁1,2,朱德峰2,陈惠哲2,向镜2,张义凯2,王亚梁2,张玉屏2*,河野元信3,渡桥啓介3 . 水稻叶片含氮量无损快速测定方法[J]. 中国稻米, 2017 , 23(2) : 18 -20 . DOI: 10.3969/j.issn.1006-8082.2017.02.005
The relationship of rice leaf nitrogen content, SPAD value and CCN value were studied in the experiment, with rice leaf nitrogen rapid determination instrument of CCN6000, early season indica rice zhongzao 39 as material. The results showed that the value measuring by CCN6000 and chemical analysis was similar when the flag leaf was subjected to analyzing. The leaf nitrogen content of rice leaf at panicle initiation stage from high to low was 3rd, 2nd, 1st from the top, and the correlation of the value measured by CCN6000 and SPAD were significant. With the rising of leaf position, leaf nitrogen content decreased at booting stage of rice. CCN value can be used as a basis for nondestructive and rapid determination of nitrogen content in leaves clearly.
Key words: rice; nitrogen content; CCN6000; nondestructive and rapid determination
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