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1Optimizing the Nitrogen Management Strategy for Winter Wheat in the North China Plain Using Rapid Soil and Plant Nitrogen Measurements
作者:
机构:
来源:COMMUNICATIONS IN SOIL SCIENCE AND PLANT ANALYSIS
关键词: Nitrogen recommendation; precision nitrogen management; SPAD reading; SPAD index; winter wheat; the North China Plain
年份:2019
2Evaluation of Both SPAD Reading and SPAD Index on Estimating the Plant Nitrogen Status of Winter Wheat
作者:
机构:
来源:INTERNATIONAL JOURNAL OF PLANT PRODUCTION
关键词: Basal stem nitrate concentration; Plant nitrogen concentration; Plant nitrogen accumulation; Chlorophyll meter; SPAD 502; Winter wheat; The North China Plain
年份:2020
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