Volume 65 contains six reviews covering key contemporary topics on crop and soil sciences. The topics are varied and exemplary of the array of subjects dealt with by this long-running serial. With this latest volume, "Advances in Agronomy" continues to be recognized as a leading reference and a first-rate source of the latest and best research in agronomy. It covers: advances in fertigation; the genetics, pathology, and molecular biology of T-Cytoplasm male sterility in maize; application of Capillary Electrophoresis to Anion Speciation in soil water extracts; advances in solution culture methods for plant mineral nutrition research; radiation use efficiency; and the effects of cultivation on soil nitrogen mineralization.