00524nam a2200193Ia 4500001001000000003000500010008004100015010001100056040000900067082002200076100002600098245006200124250000600186260005100192300001100243500003100254650001500285650003000300Para_7470CHAP220125s1983    xx            000 0 und d  a206358  cCHAP  aPA 632.58 A5 1983  aAnderson, Wood Powell  aWeed science :b principles  /c by Wood Powell, Anderson  a2  aSt. Paul, Minesota :b West Publishing Company  a655 p.  aBibliografía: pp. 609-61  aHerbicidas  aMalas hierbas x control