Agriculture and the environment 
Department of Agriculture 
 - Washington, D.C. :  Department of Agriculture  1991. 
 - 325 p. ilus. 
<br/><br/><label>LCCN: </label>5191 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agricultura--E.U.A.<br/>Agricultura--E.U.A.<br/>Agricultura--Investigacion--E.U.A.<br/>Medio ambiente--Investigación.<br/>Plantas--Efecto del medio ambiente.
<br/><br/><label>Dewey Class. No.: </label>630.5  / Y4 1991