00347nam a2200109Ia 450000500170000008000220001710000310003924500710007026000610014130000160020258300190021820260716043114.0  aREF 19.02.06 A278  aSmith, Deborah Takiff, ed.  aAgriculture and the environment : the 1991 yearbook of agriculture  bUSA. Department of AgricultureaWashington, D.C.USc1992  axiv, 325 p.  c3/7/00kM2LMGR