00544nam a2200169Ia 4500001001000000003000500010008004100015010001100056040000900067100001700076245008900093260005500182300001000237440005700247650005200304700001800356Para_4192CHAP220125s1921    xx            000 0 und d  a202740  cCHAP  aO'kane, W. C  aExperiment with contact sprays for leaf miners  /c by W. C. O'kane and C. A. Weigel  aDurham, N. H.  :b Agricultural Experiment Station  a24 p.  aNew Hampshire Agri. Exp. Sta. Technical bulletin; 17  aAspersión  Insecticidas de contacto  Agromyza  aWeigel, C. A.