Research and Application of Non-Destructive Testing Diagnosis Technology of Tomato

被引：6
|
作者：
Wu, Xinyan [1 ,2 ]
Guo, Jianhua [1 ]
Zhao, Chunjiang [1 ]
Chen, Liping [1 ]
Zhang, Yigong [2 ]
Fang, Zheng [3 ]
Yang, Yue Ying [1 ]
机构：
[1] Natl Engn Res Ctr Informat Technol Agr, Beijing 100097, Peoples R China
[2] Agr Univ Hebei, Dept Environm Sci, Baoding 071001, Hebei, Peoples R China
[3] Agr Univ Hebei, Key Lab Bioinorgan Chem Hebei, Baoding 071001, Hebei, Peoples R China
来源：
SENSOR LETTERS | 2012年 / 10卷 / 1-2期
基金：
北京市自然科学基金;
关键词：
Tomato; SPAD; Non-Destructive Nitrogen;
D O I：
10.1166/sl.2012.1889
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
This study developed a non-destructive, fast, simple nutritional diagnosis method to test the nitrogen status of tomato in the greenhouse. Field experiments were conducted during 2009-2010 at the Xiaotangshan Precision Agriculture Experimental Base, Changping District, Beijing. SPAD-502 was used to determine the leaves of tomato under different growth stages. The research results showed that chlorophyll and nitrogen contents of tomato were increasing with the increase in the quantity of fertilizer, and SPAD also increases gradually. SPAD values had a good correlation with chlorophyll contents of tomato leaves. In other words SPAD could be integrated to diagnose tomato nitrogen nutritional status of tomato.
引用
收藏
页码：666 / 669
页数：4
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