000 00545 a2200181 4500
020 _a0813817455
080 _a631.5:631.671
_bW739A
245 1 _aAgricultural practices and water quality
_cedited by Ted L. Willrich and George E. Smith
260 _aIowa
_bIowa State University Press
_c1970
650 _aAgricultural Practices
650 _aWater Quality
700 _aWillrich, Ted L., ed.
700 _aSmith, George E., ed.
100 _a
_d
300 _a415 p.
040 _aIARI, New Delhi
901 _a109739
999 _c44598
_d44598