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Journal of Agriculture and Food

International Journal of Agriculture and Biology
Open Access

Online : 1814-9596

Print :    1560-8530

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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