Author(s):

Sneha Kumari and Swati Swayamprabha Pradhan

Abstract: Soil organic matter is of central importance in maintaining soil quality and is also now receiving attention due to the potential for carbon sequestration in soils. Soil organic carbon (SOC) is one of the main carbon reservoirs in the terrestrial ecosystem. It is important to study SOC dynamics and effects of organic carbon amendments in paddy field. Soil organic carbon pools under long-term management practices provide information on C sequestration pathways, soil quality maintenance, and crop productivity. Farmyard manure (FYM), paddy straw (PS), and green manure (GM) along with inorganic fertilizers were used in rice (Oryza sativa L.)-wheat (Triticum aestivum L.) cropping system in subtropical India to evaluate their impact on SOC stock, its different pools-total organic C, oxidizable organic C, microbial biomass C and mineralizable C.

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