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Increasing wheat yields sustainability through agronomic means
This paper examines common factors that constrain wheat yields: insufficient nutrients (using nitrogen as an example); problems of late planting and poor crop establishment; suboptimal water management; lodging; and weeds. ...
Velvetbean: A "new" plant with a history
Velvetbean (Mucuna spp.), a vigorous climbing legume of Asian origin, is prominent among the plants currently promoted for use as a green manure and cover crop in the humid tropics. What is not so well known, however, is ...
Conservation agriculture in African mixed crop-livestock systems: Expanding the niche
Competition for crop residues between livestock feeding and soil mulching is a major cause of the low and slow adoption of conservation agriculture (CA) in sub-Saharan Africa. Retaining crop residues in the field is not ...
Soil fauna and soil function in the fabric of the food web
Over the last four decades, spanning David Coleman’s career, and in no small measure thanks to him, soil ecologists have made tremendous progress in describing and understanding the overwhelming complexity of biological, ...