Get Sustainable Management of Soil Organic Matter PDF

By R M Rees, B Ball, C Watson, C Campbell

The functioning of soils and their skill to provide nutrition, shop water, liberate greenhouse gases, adjust pollution, face up to actual degradation and convey vegetation inside a sustainable administration procedure is profoundly encouraged by way of their natural topic content material. This quantity comprises papers from a world convention held via the British Society of Soil technology in Edinburgh in September 1999. It explores the result of fresh study experiences interpreting how natural topic services in soils, elements affecting natural topic caliber and volume and the way administration of natural subject may be optimized as a way to in attaining sustainable farming practices.

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Additional resources for Sustainable Management of Soil Organic Matter

Example text

The objectives of this chapter are briefly to introduce some approaches used to characterize sustainability in agroecosystems and their implications for soil organic matter management; to address the concept of ‘soil quality’ as a framework to evaluate soil functions and its possible role in soil organic matter quality evaluation; and to examine the interrelationships between organic matter and other soil properties that regulate and control the functional purpose of organic matter in soil. , 1997).

6 times more organic fertilizer than the one at Müncheberg. Stevenson (1982) speculated that the effect of SOM on soil properties may be smaller in a loamy than in a sandy soil. Soil properties, such as structure, water storage capacity or cation exchange capacity (CEC), may therefore be affected more by fertilization via changes in SOM in a sandy soil than in a loam. Therefore, an additional objective of this study was to investigate whether differences in SOM composition due to fertilization could be found in soils with higher clay contents.

1. Contribution of different factors to volumetric soil water content (V%) of A horizons of mineral soils at different tensions (in kPa). %Variance explained Factor Clay (< 2 µm) + Silt (2–60 µm) + Organic carbon No. 2. Relationship between soil volumetric water content at −5 kPa tension (V%) and other soil properties (soil organic carbon = SOC%; clay content = C%; silt content = Z%) in A horizons of mineral soils in England and Wales stratified by clay content and land use (SSLRC data, unpublished).

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