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Humic Acid
1671-9212
2008 Issue 5
Effect of Different Water-retaining Methods on Soil Moisture During Growing Stages of Winter Wheat
Yang Yonghui;WuJicheng;Shi Fugang;He Fang;Yang Zhanping;Xue Yifang
..............page:18
Spectroscopy Study on Humic Acids Fractions
Lishtvan II;Cheng Shaoxin
..............page:36