Tinely information on spraying and dustin of potatoes
Boyd, Orau and Ralph Donaldson
Tinely information on spraying and dustin of potatoes - - USA 1932 - - Special Circ. Exten.Serv.Mass. St.Coll. N° 13 .
--Entomologia Aplicada--Plagas--Papas--
Zoologia
Tinely information on spraying and dustin of potatoes - - USA 1932 - - Special Circ. Exten.Serv.Mass. St.Coll. N° 13 .
--Entomologia Aplicada--Plagas--Papas--
Zoologia