by W. P. Flint
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The European corn-borer and some similar...
Method of destroying grasshoppers
Fight the chinch-bug with crops
Burn the chinch-bug
Bramble fruits
Protecting shade trees from insect damag...
Winter sprays
Volatilization studies of spray oils
Petroleum oil spray recommendations and ...
Using horticultural mineral oils to cont...
Insectary investigations of the toxicity...
Oil sprays