00669nam a22002177a 4500003000500000005001700005008004100022010001000063011001100073035001100084040000900095245008700104260005700191300002100248650001700269650003800286650003300324650002700357650001900384710004800403CHAP20220329143614.0100902s1991    us a    r     00010 eng d  a99174  a100146  a110832  cCHAP00aExploring Careers in Agronomy, Crops, and Soilsc/por American Society of Agronomy  aWashington DC :bAmerican Society of Agronomy,c1991  a[28] p. :bilus.14aAgricultura.14aAgriculturaxEstudio y ensenanza.14aAgrónomos estadounidenses.14aAlimentos orgánicos.14aSuelosxE.U.A.0 aAmerican Society of Agronomy. Madison, Wis.