Advances in Agronomy, 48

1. Recurrent Selection for Population, Variety, and Hybrid Improvement in Tropical Maize - Shivaji Pandey and C. O. Gardner

2. Pearl Millet for Food, Feed, and Forage - D.J. Andrews and K.A. Kumar

3. Forms, Reactions, and Availability of Nickel in Soils - N.C. Uren

4. Electrochemical Techniques for Characterizing Soil Chemical Properties - T.R. Yu

5. History and Status of Host Plant Resistance in Cotton to Insects in the United States - C. Wayne Smith