When plants and trees need water how much are they really asking for and when and how should it be delivered? Figuring that out can mean a good chance at cracking a diverse customer base in rain-fed, water-starved parts of India where orchards, flower beds and vegetable gardens all cry out for more efficient irrigation.
K.S. Gopal of the Centre for Environment Concerns (CEC) has designed a system that is more efficient than drip irrigation because it is subterranean and delivers moisture to the roots of plants.
He says he has done it by talking. . .