Abstract
AbstractThis book chapter briefly introduces some approaches used to characterize sustainability in agroecosystems and their implications for soil organic matter management. The concept of soil quality as a framework is addressed to evaluate soil functions and its possible role in soil organic matter quality evaluation. The interrelationships between organic matter and other soil properties that regulate and control the functional purpose of organic matter in soil is also examined. The critical levels of soil organic matter in relation to specific soil properties is analysed in soils of England and Wales, and a field experiment determining if differences in soil organic matter composition due to fertilizers can be found in soils with higher clay content is described.
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