Fla. 
Ill. 
Ili. 
Ill. 
Iowa 
= 6 = 
Effect of Climatic Factors con Insecticide Residues on 
Vegetable Crops. Learn extent to which climatic factors as sun, 
rain and wind affect insecticidal residues on certain vegetables. 
Ent., Hort. 746 
Determination of Amounts and Effects of Insecticide Residues 
on Plants and Soils. (1) Learn insecticide residues on certain 
important Georgia crops following the use of various insecticides 
at different rates, formulations and methods of applications. (2) 
Evaluate effects of insecticide residues on plant growth, plant 
products and soil. 
Fnt. 70 (S-22) Coop. ARS 
Fundamentals, Equipment, and Techniques in Application of 
Agricultural Chemicals. Develop (1) information needed for design 
of inexpensive equipment to apply fertilizer solutions, us gravity 
flow and top venting, with variability of rate less # 5%; (2) infor- 
mation needed for design of gravity fed nozzles suitable for broad- 
cast application of fertilizer solutions; (3) adaptations of above 
ecuipment to existing machines (plows, planters, cultivators, etc.). 
Learn (4) feasibility of and factors affecting direct injection of 
anhydrous ammonia; (5) information needed for design of equipment 
to brand spray Randox, (6) Establish design characteristics of equip- 
ment suitable for application and incorporation of soil insecticides 
and herbicides. (7) Learn design characteristics of satisfactory 
equipment for application of granular DDT. 
Agr. Engin. 10-336 
Fundamental Problems Associated with the Use of Pesticidal 
Chemicals in Soils. To determine (1) rate at which insecticidal 
chemicals accumulate in soils under normal usage; (2) plant and 
animal tolerance for varying degrees of soil contamination; and 
(3) rate of insecticide loss from soils cf varied types and under 
varied climatic conditions. 
Fnt. 12-311 (NC-19) Coop. ARS 
The Magnitude, Character, and Persistence of Insecticide 
Residues on or in Food, Feed, and Forage Crops. Isolate, define, 
and evaluate important factors that influence or determine the 
magnitude and/or persistence of insecticide residues on or in 
plants and animals. 
Ent. 12-312 (NC-33) Coop. ARS 
The Effects of Pesticide Residues _on Feed and Forage Fed 
to Livestock. Provide information on fate of forage residues 
of selected organic phosphorus pesticides in livestock and edible 
products derived therefrom. 
Zool., Ent. 1336 (NC-33) 
