MONITORING OF WINTER WHEAT SEEDLING AT JOINTING STAGE USING REMOTE SENSING TECHNIQUES

被引：0

作者：

Tan, Changwei ^{[1
]}

Wang, Dunliang ^{[1
]}

Du, Ying ^{[1
]}

Zhou, Jian ^{[1
]}

Luo, Ming ^{[1
]}

Zhan, Yongjian ^{[1
]}

机构：

[1] Yangzhou Univ, Coinnovat Ctr Modern Prod Technol Grain Crops, Jiangsu Key Lab Crop Genet & Physiol, Yangzhou 225009, Jiangsu, Peoples R China

来源：

BANGLADESH JOURNAL OF BOTANY | 2018年 / 47卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Winter wheat; HJ-1A/1B; Jointing stage; Major growth parameters; Monitoring models; SPECTRAL REFLECTANCE; LEAF; INDEXES; VEGETATION; SOIL;

D O I：

暂无

中图分类号：

Q94 [植物学];

学科分类号：

071001 ;

摘要：

A quantitative correlation between major seedling condition parameters in winter wheat at the jointing stage and the grain quality parameters, production, and remote sensing variables was conducted. It is possible to predict leaf area index, SPAD value and leaf nitrogen content in winter wheat at the jointing stage by normalized difference vegetation index (NDVI), and to predict biomass using near-infrared band reflectance (B-4), respectively. The remote sensing models of the leaf area index, SPAD value, leaf nitrogen content and biomass of winter wheat were credible, and higher precision with determination coefficient (R-2) of 0.709, 0.701, 0.671 and 0.612, respectively, and with root mean square error (RMSE) of 0.641, 3.499, 0.347% and 486.3 kg/hm(2), respectively. Spatial distribution map of the major seedling condition parameters of winter wheat could be implemented at different classes with remote sensing method.

引用

页码：79 / 88

页数：10

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