Effects of Substitution of Chemical Fertilizer by Chinese Milk Vetch on Distribution and Composition of Aggregates-Associated Organic Carbon Fractions in Paddy Soils
Plant and Soil（2022）
Abstract
Green manure plays a key role in reducing chemical fertilizer applications and increasing soil organic carbon (SOC) stock. The effects of chemical fertilizer substitution by Chinese milk vetch (MV) on the distribution and composition of organic carbon fractions in macroaggregates and microaggregates and SOC stability mechanism were investigated in paddy soils in southern China. A 10-year (2008–2018) field experiment was conducted, including no fertilizer (CK), 100
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Key words
Chinese milk vetch,Mineral associated organic carbon,Organic carbon,Organic carbon fraction,Soil aggregate
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