Abstract
Sole cropping of cereals for consecutive cropping seasons exhausts soil nutrients more excessively compared to other cropping systems. The use of leguminous cover crops in cereal crop production in an intercropping manner is important for controlling weeds and improving soil properties to enhance soil fertility, soil moisture retention, and manage pests to increase crop yield. Weed infestation has been a threat to crop production for decades which costs farm operations hence reducing the output. Integrating leguminous cover crops with cereal crops and crop allelopathy have been reviewed as strategies to suppress weeds, and some types of pests, and improve soil structure and soil fertility by nitrogen fixation which boosts crop productivity. In addition, legumes have a direct impact on improving soil fertility from the decomposition of soil organic matter and circulating nutrients for cereal growth. Therefore, the purpose of this review is to discuss the potential of cover crops in cereal crop production.
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