Influence of site conditions and management on different soil organic matter (som) pools
作者： Elke Schulz
DOI: 10.1080/03650340310001627577
关键词: Clay minerals 、 Hot water extraction 、 C content 、 Environmental chemistry 、 Fractionation 、 Carbon 、 Chemistry 、 Soil organic matter 、 Fraction (chemistry)
摘要: Basing on both a site gradient as well in management intensities the influence of these factors different SOM pools was investigated: (A) very easily decomposable C pool, (B) pool which is related to clay fraction and representing relatively inert (C) not, or only loosely connected mineral soil part intermediates between extreme (B). The measured by parameter hot water extractable carbon (HW-C). not were isolated combined fractionation according particle sizes (clay < 1 μm 1 – 2 μm) specific densities (light < 1.8 g/cm3 1.8 – 2.0 g/cm3). Fertilization increases reflected content mass light fractions but certain extent associated with minerals well. At comparable (fert...
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