WILLIAM KROEMER & SONS, INC., HICKSVILLE, L. I. 

Products of Rohm & Haas Research 
for insect and disease control 
give Long Island growers better crops 
weekly schedule, it is very helpful in warding 
off early and late blight. 
DITHANE, sprayed at least once a week, has 
proved itself extremely effective against both 
early and late blight... results in increased 
potato yields whenever used in a systematic 
program. 
YELLOW CUPROCIDE is an outstanding cuprous 
oxide fungicide with high copper content, ex- 
tremely small particle size and great sticking 
qualities. Sprayed or dusted on crops ina regular 
ROHM & HAAS DDT PRODUCTS 
25% DDT EMULSION CONCENTRATES (liquid) is 
highly stable and cémpatible with DITHANE . . . 
provides one of the best possible controls against 
pests. DDT, in the form of Rohm & Haas D-50 
WETTABLE POWDER, is also available if preferred, 
Write for folders describing these control programs. 
DITHANE & CUPROCIDE are trade-marks, Reg. U. S. Pat. Off. 
$$ 
Tested, proved and chosen by 
WILLIAM KROEMER & SONS, INC. 
