Ballou,F.H. and I.P. Lewis <br/><br/>
Dusting versus spraying apple orchards in Ohio 

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 - Ohio-USA    1933 
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 - Bulletin. Ohio  Agric. Experiment Station   v.527 .
<br/><br/><label>ISBN: </label>
<br/><br/><label>Subjects--Topical Terms: </label>--Entomologia Agricola--Huertas--Frutales--Manzanas--Insecticidas--Ohio--<br/>Agricultura