Hatfield, Jerry L. Karlen, D. L. (Douglas L.) text bibliography flu Boca Raton Lewis Publishers c1994 1994 monographic eng

print

316 p. : ill. ; 25 cm. edited by J.L. Hatfield, D.L. Karlen. Includes bibliographical references and index. Sustainable agriculture Agricultural systems Agricultural ecology S494.5.S86 S86 1994 630 SUS 1566700493 (acidfree paper) 93026659 DLC 930623 20150112162302.0 2051361