Intensive double or triple monocropping of rice has caused degradation of the paddy micro environment and reductions in rice yield growth in many irrigated areas in Asia. Problems include increased pest infestation, mining of soil micronutrients, reductions in nutrient-carrying capacity of the...

The Green Revolution has had a tremendous positive effect on food security in the developing world. Increased use of modern varieties of wheat has helped belie the conventional wisdom of the 1970s that the world was going to run out of food. But IFPRI projections indicate that global demand for...