00683nam a22002537a 4500003000500000005001700005008004100022010001000063011001000073035001000083040000900093082001800102100002700120245004000147250001000187260004100197300002000238490004500258650002400303650001400327700002300341700002000364830004500384CHAP20220329135126.0971013s1976            r     00010     d  a31327  a32299  a36414  cCHAP  a633bM37 197600aMartín, John Holmes.  aPrinciples of field crop production  a3 ed.  aNew York :bCollier MacMillan,c1976  a1118 p.b: ilus  aCollier Macmillan International editions14aAgriculturaxE.U.A.14aCultivos.0 aLeonard, Warren H.0 aStamp, David L.0 aCollier Macmillan International editions