INDIA is in "imminent danger of losing a large part of its productive lands through soil salinisation", says N T Singh of the Central Soil Salinity Research Institute in Karnal. Soil salinity is

Farmers in India are using 25 times the amount of water that agricultural scientists say is needed to produce paddy. Improper irrigation methods and misconceptions are the stated reasons for the high wastage of a scarce resource.

American aid for Indian irrigation projects has been withdrawn as focus shifts to other sectors.

ROY, Tisdell and Sen"s book on economic development and the environment is certainly timely, having come out only months before the June UNCED summit at Rio. Interest in the subject is therefore at