BEIJING, April 14 (Xinhua) -- Soil carbon usually refers only to the organic matter component of soils, known as soil organic carbon (SOC). However, soil carbon also has an inorganic component, known as soil inorganic carbon (SIC). Solid SIC, often calcium carbonate, tends to accumulate mo...
Peinemann N, Guggenberger G, Zech W (2005) Soil organic matter and its lignin component in surface horizons of salt-affected soils of the Argentinian Pampa. Catena 60:113-128Peinemann, N., Guggenberger, G., and Zech, W.: Soil organic matter and its lignin component in surface horizons ...
The chemical nature ofsoil organic matter(SOM) has attracted considerable attention from chemists and soil scientists for many decades. Its chemical structure has not yet been fully identified, mainly due to the convergence of two intractable issues: the complex (and perhaps nonreproducible) chemical...
系统标签: organic soil decomposition residues soils nitrogen Lecture7Chapter6SoilOrganicMatter土壤有机质Soilorganicmatterisoneimportantcomponentofsoilsolidphase.Itprovidesmuchofthecationexchangeandwater-holdingcapacitiesofsurfacesoils.Certaincomponentsofsoilorganicmatterarelargelyresponsiblefortheformationandstabilizationof...
Deep soil organic matter—a key but poorly understood component of terrestrial C cycle 来自 Semantic Scholar 喜欢 0 阅读量: 397 作者: Cornelia Rumpel,Ingrid Kögel-Knabner 摘要: Despite their low carbon (C) content, most subsoil horizons contribute to more than half of the total soil C ...
Soil organic matter The organic component of soil derived from plant and animal detritus at various stages of decomposition as well as soil microorganisms and the organic substances synthesized by these organisms. Soil structure The arrangement of soil particles and aggregates into a porous structure ...
Particulate organic matter as a functional soil component for persistent soil organic carbon 颗粒有机碳作为一个持久性土壤有机碳的功能性组成 土壤中的碳是最大的陆地有机碳库,被植物碳输入、微生物活动、和土壤基质之间复杂的联系所调控。这表现在微生物作为将植物源碳转化为土壤有机碳的关键角色,它是如何被...
Cation exchange capacities of Irish soils developed from a wide range of parent materials were found to be highly correlated with organic matter content and specific surface but not with clay content. Multiple regression analysis showed that organic matter in combination with specific surface accounted ...
behaviour and properties of a soil component proxy that is defined solely by solubility at an alkaline pH. Reconciling models of soil organic matter At present, three competing models for the fate of organic inputs to soil can be distinguished: (1) classic ‘humification’, (2) ‘selective pr...
Hedges, J. I. et al. The molecularly-uncharacterized component of nonliving organic matter in natural environments.Org. Geochem.31, 945–958 (2000)Formulated the fundamental question of why, when organic matter is thermodynamically unstable, does it persist in soils, sometimes for thousands of year...