Yields from the rice-wheat cropping system in the Indo-Gangetic plain are declining despite the increasing use of chemical fertilizers. Crop residues are important components of soil fertility management, but are burnt in some areas such as Punjab state.
For years, energy experts and foresters have believed that the poor will eat away the forests of the developing world like locusts in order to meet their ever-growing
Researchers at the Tamil Nadu Agricultural University (TNAU), Coimbatore, have developed a fuel-efficient bio-mass gas stove. The bio-gas could be produced from animal and crop wastes, and used for