Water Use in Agriculture: Limitations to Efficient Water Use in Crop Production. Howard M. Taylor, Wayne R. Jordan, and Thomas R. Sinclair, Eds. American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America, Madison, Wis., 1983. xx, 538 pp., illus. $30. From a conference, Ithaca, N.Y., Nov. 1979.