01007nam a2200253ua 4500003001000000005001700010008004100027020001800068040003000086100002700116245006800143260009200211500006400303504004800367650002400415650002000439650002800459650003200487655001700519710004700536710005100583999001700634952010200651AR-SsjUCA20250716140443.0250228s1984    xxu           000 0 eng d  a0-89118-517-8  aAR-SsjUCAbspacAR-SsjUCA1 aFehr, Walter R.92571810aGenetic contributions to yield gains of five major crop plants.  aMadison, WI :bCrop Science Society of America :bAmerican Society of Agronomy,cc1984.  aProceedings of a symposium..2 Dec. 1981,in Atlanta,Georgia.  aBibliografía al final de cada capítulo. 4aConferencias924139 4aCultivos924135 4aFitomejoramiento925035 4aProducción vegetal924182 4aTexto9240882 aAmerican Society of Agronomy. ASA. 9256142 aCrop Science Society of America. CSSA. 925615  c16938d16938  00104070aCAbCAd2014-10-11l0o575:63 FEHg Ej.1pXCA1586r2025-07-15 00:00:00w2025-07-15yLB