20. Davis, F. L. and Selman, F. L. Effects of water upon the movement of dinitro weed 
killers in soils. Weeds 3: 11-20. 1954. 
21. DeRose, H.R. Persistence of some plant growth regulators when applied to the 
soil in herbicidal treatments. Bot. Gaz. 107: 583-589. 1946. 
22. - Crabgrass inhibition with O-isopropyl N-(3-chlorophenyl)-carbamate. 
23. _..___+—s and ~ Newman, A. S. The comparison of the persistence of certain plant 
growth regulators when applied to soil. Soil Sci. Soc. Am. Proc. 12: 222-226. 
1948. 
24. Dowler, C., Baughman, N. M., and Veatch, C. The effect of soil type, soil pH, and 
simulated rainfall on the distribution of DNBP in the soil. Weeds 6: 281-288. 
1958. 
25. Ennis, W. B., Jr. Some soil and weather factors influencing usage of preemergence 
herbicides. Proc. Soil Sci. Soc. of Florida 14: 130-139. 1954, 
26. ___________  . Weed control in principal crops of the southern United States. Adv. in 
Agron. 7: 251-297. 1955. 
27. Evans, W. C., and Smith, B.S. W. The photochemical inactivation and microbial 
metabolism of the chlorophenoxyacetic acid herbicides. Biochem. Jour. Vol. 57. 
1954. 
28. Feldman, A. W., Technical summary on Falone. Naugatuck Chemical Division, 
United States Rubber Company, Naugatuck, Connecticut. Undated. 
29. Freed, V.H., Montgomery, M., and Traegde, S. C. Physical properties of S-ethyl- 
di-n-propylthiolcarbamate. Res. Prog. Rpt., WWCC, pp. 89-90. 1958. 
30. Gard, L.N., and Rudd, N. G. Herbicides determination: isopropyl N-(3-chlorophenyl) 
carbamate (CIPC) in soil and crops. Agric. and Food Chem. 1: 630-632. 1953. 
31. Hannah, L.H., Field studies with two new classes of herbicidal chemicals. Proc. 
SWC 8: 316-321. 1955. 
32. Hill, G. D., Soil factors as related to herbicides action. Paper presented before The 
Weed Society of America. New York. 1956. 
33. , McGahen, J. W., Baker, H. M., Finnerty, D. W., and Bingeman, C. W. 
The fate of substituted urea herbicides in agricultural soils. Agron. Journ. 47: 
93-103. 1955. 
34. Hollingsworth, E. B. and Ennis, W. B., Jr. Some studies on vapor action of certain 
dinitro compounds upon young cotton plants. Proc. SWC 6: 23-31. 1953. 
35. Holstun, J. T., and Loomis, W. E. Leaching and decomposition of 2,2-dichloro- 
propionic acid in several Iowa soils. Weeds 4: 205-217. 1956. 
36. Jensen, H.L., and Petersen, H.I. Detoxication of hormone herbicides by soil 
bacteria. Nature 170: 39-40. 1952. 
37. Leopold, A. C., Van Schaik, P., and Neal, Mary. Molecular structure and herbicide 
adsorption. Weeds 8: 48-54. 1960. 
Lag 
