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This collection features five peer-reviewed reviews on weed
management in regenerative agriculture. The first chapter provides
an analytical review of the adoption of Conservation Agriculture
(CA) in Sub-Saharan Africa by smallholder farmers, focusing on the
challenges posed by weed management. The chapter assesses chemical
and non-chemical weed control methods and their benefits in CA
systems. The second chapter considers the adoption of integrated
weed management (IWM) in organic cropping systems, focussing on the
key challenges that can arise as a result of this adoption. It also
presents examples of successful integration between preventive,
cultural and direct tactics in an IWM strategy. The third chapter
highlights an increasing need for IWM strategies in the face of
herbicide-resistant weeds, soil degradation and environmental
contamination by herbicides. The chapter reviews the cultural
techniques available to manage weeds in a sustainable manner. The
fourth chapter introduces the concept of using crop rotations and
cover crops as an effective and sustainable strategy for
controlling weeds and looks ahead to future research in this area.
The final chapter utilises four detailed case studies from across
Europe to illustrate the effectiveness of combined methods to
control weeds and preserve/improve farmers’ income.
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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