17 



Minn, Weed Control with Particular Relation to Field Crops. — 16 . 

 Management of Sod Crops for Weed Control . (1) To study chemical 

 and cultural weed control in legumes and a legume-grass mixture 

 grown under provisions of Soil Bank. 

 Agron., PI. Genetics 1301-16 



Mo. Weed Control and Crop Defoliation in Cotton Production . 



Discover more effective and more efficient (1) chemical and 

 cultural methods of weed control in relation to cotton produc- 

 tion; (2) methods of defoliating cotton. 

 Field Crops 332 



Mont. The Control of Annual and Biennial Weeds in Field Crops . 



To (1) control annual and biennial weeds in grain crops by use of 

 selective herbicides; (2; control annual weeds in row crops such 

 as beans, peas, and sugar beets; and (3) evaluate new herbicides 

 for control of annual and biennial weeds*. 



Agron., Soils 881 Coop. USDI -Bureau of Reclamation 



Nev. Cotton Weed Control in Southern Nevada . Test weed control 

 measures developed in other areas for Nevada conditions, find 

 economical control for Johnson grass and perennial morning glory, 

 Agron., Range Mgt. 1$ 



N. T. Weed Control in Field Corn and Small Grains . Learn by lab., 

 (Cornell) greenhouse and field studies safe and economic recommendations 

 for control of weeds in field corn and small grains. 

 Agron. £0-1 Coop. ARS 



N. Y. Control of Perennial Weeds in Field and Forage Crops , (l) 

 (Cornell) Screen commercially available and experimental herbicide's on row 

 and forage crops and perennial weeds associated with crops and 

 study effects of cutting and spraying on crops involved. (2) 

 Learn by field evaluation how best to utilize commercially avail- 

 able and new experimental herbicides for control of perennial 

 weeds in row and forage crops. 

 Agron. 185 Coop. ARS 



Ohio Eradication or Control of Weeds and Other Under sired Plants . 

 I. The Chemical and Cultural Control of Weeds in Field Crops. 

 To study (1) use and effectiveness of chemicals alone and with 

 tillage in weed eradication compared with tillage alone and rates, 

 dates, and methods of application of chemicals for maximum 

 effectiveness on weeds and minimum injury to crops; (2) effects 

 of herbicides on seed germination, composition, palatability, and 

 other important properties of crop; (3) reaction of different 

 varieties of crops to herbicides; (U) to devise specific systems 

 of treatment for major noxious weeds of the state, using chemical, 

 mechanical, and crop competition methods or combinations of them; 

 and (5) to study relation of crop rotations to weed control. 

 Agron. 71-1 (NC-10) 



