00582nam a2200193Ia 4500001001000000003000500010008004100015010001100056040000900067082001700076100001600093245005300109260008600162300000900248440002600257500003200283650004800315650002500363Para_7506CHAP220125s1939    xx            000 0 und d  a206394  cCHAP  aPA-C 632 B85  aRose, R. C.  aSpraying and dusting potatoes  /c by R. C. Rose  aSt. Paul, Minnesota  :b University of Minnesota. Agricultural Extension Division  a5 p.  aExtension folder ; 76  aEnc. con impresos similares  aFitopatología x colecciones de escritos   aPapa x fumigación