Long before the advent of synthetic plant foods, farmers had only two ways to make their fields more fertile. One method was to spread manure from livestock, which proved a labor-intensive method that ...

THE growing inadequacy in the supplies of farmyard manure throughout the world has put a premium on the importance of green manuring, and much attention is being paid to the most profitable ...

The experiment consisted of a typical high-yield cropping system, with a 150 cm wide strip of both wheat and maize in the intercropping system. For green manure treatment, hairy vetch was sown ...