Includes bibliographical references and index.

1. Arsenic contamination and its risk management in complex environmental settings.
2. The contribution of breeding to yield advances in maize(Zea mays L.)
3. Metabolic engineering of isoflavone biosynthesis.
4. Biological control of weeds with antagonistic plant pathogens.
5. Nutrient stocks, nutrient cycling, and soil changes in cocoa ecosystems: a review.
6.Rice-wheat cropping systems
7. Interactions of nitrogen with other nutrients and water: effect on crop yield and quality, nutrient use efficiency, carbon sequestration, and environmental pollution.