![](/img/cover-not-exists.png)
Influence of Tillage, Cropping, and Nitrogen Source on the Chemical Characteristics of Humic Acid, Fulvic Acid, and Water-Soluble Soil Organic Matter Fractions of a Long-Term Cropping System Study
Ohno, Tsutomu, He, Zhongqi, Tazisong, Irenus A., Senwo, Zachary N.Volume:
174
Language:
english
Journal:
Soil Science
DOI:
10.1097/ss.0b013e3181c30808
Date:
December, 2009
File:
PDF, 307 KB
english, 2009