Tango with nature India has been using lakes, ponds and baolis (step wells) since ancient times ('What monsoon means', July 16-31, 2010). Delhi was once replete with water bodies. In the past 50 years, government agencies started disbanding natural ponds, lakes and baolis, declaring their water untested, and therefore, unfit …
with chemical pesticides accumulating in crops, entering the food chain and creating pests with the next level of immunity, biocontrol is taken a little more seriously. Bacteria, fungi and insect parasitic nematodes assume greater importance in agricultural research. The Commonwealth Scientific and Industrial Research Organization was the first to use …