Nitrogen Nutrition Diagnosis Based on Critical Nitrogen Model and SPAD Value of Different Leaf Positions in Greenhouse Tomato
XiaoHu Shi and HuanJie Cai
Abstract:
Keywords: Greenhouse; Tomato; Water treatments; Critical nitrogen concentration; Nitrogen nutrition index
Edition: Volume 24 Issue 04, 2020
Pages: 891-899
1 Shanxi University, Taiyuan 030006, China
2 College of Water Resources Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
3 Chinese Arid Area Research Institute of Water-Saving Agriculture, Northwest A&F University, Yangling 712100, China
For correspondence: caihj2019@126.com
Received 14 February 2020; Accepted 28 April 2020; Published 16 August 2020
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