Unconventional farming methods could help smallholders fight back against climate change

New research from Ghana shows less popular methods of biochar application are more effective in promoting cowpea growth and yield. Cowpea is widely cultivated in sub-Saharan Africa and in warm regions around the world. The crop is an important source of human food, livestock feed, and green manure, and generates income for smallholder farmers. It is valued for its ability to boost soil fertility by fixing nitrogen.