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This collection features four peer-reviewed literature reviews on
cover crops in agriculture. The first chapter describes the
contribution of cover crops to improving soil health. The chapter
reviews their key role e.g. supplying a food source for soil
organisms, providing a source of carbon to help build soil organic
matter, enhancing nutrient dynamics in the soil and improving soil
structure. The second chapter considers recent research on the
benefits of cover crops in organic cultivation in areas such as
soil structure and erosion control as well as nutrient cycling. It
also looks at the wider role of cover crops in control of weeds,
diseases and pests, promoting biodiversity and reducing greenhouse
gases (GHGs). The third chapter highlights the use of different
cover crops species to promote live or dead soil mulch cover in
Conservation Agriculture systems. It also reviews how cover crops
effect aspects such as soil acidity and nutrient availability, soil
physical and biological properties, soil nematode control, weed
control and grain yield. The final chapter reviews the role of
cover crops in weed control. Cover crops are important additions to
crop rotations because they suppress weeds during rotational
periods when crops are absent and provide ecosystem services that
enhance soil quality and fertility.
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