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首页> 外文期刊>Zeitschrift fur kulturtechnik und landentwicklung >Soil organic matter characteristics of two long-term-field experiments with compost amendment
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Soil organic matter characteristics of two long-term-field experiments with compost amendment

机译：两次堆肥改良长期田间土壤有机质特征

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摘要

The effect of different compost amendments on the structure and composition of soil organic matter was investigated in two long-term field experiments. A combination of wet chemical methods and CPMAS ~(13)C NMR spectroscopy was used for the charaterization of soil organic matter. Compost amendment significantly increased the level of organic carbon, nitrogen and aH in both soils. Contents of aromatic carbon and lignin were higher in the compost amended plots. The ratio of alkyl to O-alkyl carbon was higher in the control plots and showed a lower extent of decomposition for the compost treatments. Plots with composted cattle manure showed a higher degree of decomposition of cellulose. The differences in the composition of soil organic matter as observed by ~(13)C NMR spectroscopy were mainly controled by the soil type and texture than by the fertilizer or compost amendments.
机译：在两个长期的田间试验中研究了不同堆肥改良剂对土壤有机质结构和组成的影响。将湿化学方法和CPMAS〜（13）C NMR光谱相结合用于土壤有机质的表征。堆肥改良剂显着提高了两种土壤中有机碳，氮和aH的含量。堆肥改良区的芳香碳和木质素含量较高。在对照图中，烷基与O-烷基碳的比例较高，而堆肥处理的分解程度较低。带有牛粪堆肥的地块显示出较高的纤维素分解度。通过〜（13）C NMR光谱观察到的土壤有机质组成的差异主要由土壤类型和质地控制，而不是由肥料或堆肥改良剂控制。

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