Advances in Agronomy continues to be recognized as a leading reference and a first-rate source for the latest research in agronomy. As always, the subjects covered are varied and exemplary of the myraid of subject matter dealt with by thislong-running serial. Volume 93 contains six indespensable reviews. - Maintains the highest impact factor among serial publications in Agriculture - Presents timely reviews on important agronomy issues such as nutrients, water relations, polyacrylamide, and more - Enjoys a long-standing reputation for excellence in the field