Japanese Journal of Soil Science and Plant Nutrition
Online ISSN : 2424-0583
Print ISSN : 0029-0610
Simplified Determination of Soil Humus by Alkali Extraction Method
Masaaki SUZUKIKyoichi KUMADA
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1973 Volume 44 Issue 4 Pages 144-145

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© 1973 Japanese Society of Soil Science and Plant Nutrition
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