WebApr 10, 2024 · Abstract. Natural 13 C abundances in different organic matter (OM) pools in the water-stable macro- and free microaggregates of Haplic Chernozem under contrasting land uses (steppe and long-term bare fallow) are described. The 13 C fractionation at individual stages in the formation of OM pools is relatively constant regardless of the level … WebMay 10, 2024 · 1. Introduction. Soil is the largest terrestrial carbon pool, storing more C than plants and the atmosphere combined (Jobbágy and Jackson, 2000; Lange et al., …
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WebNov 11, 2024 · The effect of conservation tillage on soil organic carbon (SOC) sequestration and crop production is controversial in semi-arid areas. In addition, fertilisation is another … WebAbout 3% of the total soil organic matter pools turns over each year, so where we know how much carbon we have in soils, we can roughly estimate the potential supply of nutrients. … early times auto ormeau
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WebDec 10, 2024 · Evidence is emerging that the solubility of soil organic matter (SOM) in water is a key factor regulating the turnover of carbon (C) and nitrogen (N). We used data from a field trial with a wide range of treatments in a case study to: (1) examine the link between SOM solubility and bioavailability and (2) evaluate whether low water-solubility is a factor … WebWe used soil aggregate and soil organic matter fractionation techniques to isolate C pools that (1) have a high potential for C storage and (2) accumulate C at a fast rate during … WebSoil organic C (SOC) pools have various stabilization mechanisms and turnover times, which change with depth and are highly influenced by land use. Total SOC (TOC), particulate organic carbon (POC), mineral-associated organic carbon (MOC), and carbon … early times auction