TY - BOOK AU - Sparks,Donald L. ED - American Society of Agronomy. ED - ebrary, Inc. TI - Advances in agronomy / T2 - Advances in agronomy, SN - 012000741x AV - S405 .A38 1987 PY - 1987/// CY - San Diego PB - Academic Press KW - Agriculture KW - Research KW - Agronomy KW - Agriculture(General) KW - Crops KW - Genetic engineering KW - Soil science KW - Electronic books KW - local N1 - Includes bibliographical references and index; V.41; License restrictions may limit access UR - http://www.columbia.edu/cgi-bin/cul/resolve?clio10828860 ER -