00962   #a2200445  #4500001001000000004000500010005001700015006000300032008000400035010001600039010001800055011000500073014000700078019000500085021000500090035000500095041000700100047000500107068000500112082001300117082001100130100000500141110000500146111005900151245000500210245011700215260001500332260000900347260001000356300000500366555000500371650002400376650001400400650001500414650002400429650001100453650001300464650002400477999001500501  aLibros  aC20140826164027.0am  a  aShenk, M.D.  aSaunders, J.L  a  a24  a  a  a  aEn  a  a  aCATIE-SC  a(4122)  a  a  aSymposium on No-tillage crop production in the tropics  a  aVegetation management systems for crop production in tropical regions of Central America: the case of Costa Rica  aCosta Rica  c1981  bCATIE  a  a  aCultivo intercalado  aEnergía  aHerbicidas  aLimón, Costa Rica  aMaíz  aZea mays  aSistemas de cultivo  c3800d3800