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Document type:
Buchbeitrag 
Author(s):
Schmidhalter, U.; Hu, Y. 
Title:
Quick and Simplified On-farm Tests to Determine Nitrate Levels in Soil 
Pages contribution:
282-285 
Editor:
J.Jing and F. Zhang 
Book title:
Current Fertigation Practices and Technology in Chinese and International Agriculture 
Publisher:
China Agriculture Publisher 
Publisher address:
Beijing, China 
Year:
2008 
Format:
Text