The importance of soil organic matter : Key to drought-resistant soil and sustained food and production

Soil organic matter - the product of on-site biological decomposition - affects the chemical and physical properties of the soil and its overall health. Its composition and breakdown rate affect: the soil structure and porosity; the water infiltration rate and moisture holding capacity of soils; the...

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Bibliographic Details
Main Author: Bot, Alexandra
Format: Book
Language:Undetermined
Published: Rome Food and Agirculture Organization of the United Nations 2005
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Institutions: Trung tâm Học liệu Trường Đại học Cần Thơ
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Summary:Soil organic matter - the product of on-site biological decomposition - affects the chemical and physical properties of the soil and its overall health. Its composition and breakdown rate affect: the soil structure and porosity; the water infiltration rate and moisture holding capacity of soils; the diversity and biological activity of soil organisms; and plant nutrient availability. This document concentrates on the organic matter dynamics of cropping soils and discusses the circumstances that deplete organic matter and their negative outcomes.