00521nam a2200169Ia 4500001001000000003000500010008004100015010001100056040000900067100001400076245008100090260005500171300001000226440005700236650004100293700001700334Para_3891CHAP220125s1928    xx            000 0 und d  a202214  cCHAP  aButler, O  aSpray solutions and the control of apple scab  /c O. Butler and W. L. Doran  aDurham, N. H.  :b Agricultural Experiment Station  a15 p.  aNew Hampshire Agri. Exp. Sta. Technical Bulletin; 36  aAspersión  Manzana x Enfermedades  aDoran, W. L.