Rogler, G. A., and Lorenz, R. J. 
1957. Nitrogen fertilization of northern Great 
Plains rangelands. J. Range Manage. 10: 
156-160. 
and Lorenz, R. J. 
1966. Nitrogen ‘fertilization of natural grasslands in 
the northern plains of the United States. 
Proc. Ninth Int. Grassland Congr. (1965): 
1327-1330. 
Sampson, A. W., and Burcham, L. T. 
1954. Costs and returns of controlled brush burning 
for range improvement in northern Califor- 
so one Div. Forest. Range Impr. Stud. 
Shepherd, W. or re outhwell; B. L., and Stevenson, J. W. 
19538. Grazing longleaf- slash pine forests. U. S. Dep. 
Agr. Cire. 928, 31 ee 
Skogley, C. R., and King, J. W 
1968. Controlled release nitrogen fertilization of 
turfgrass. Agron. J. 60: 
Smith, D. R., and Lang, R. L. 
1958. The effect of nitrogenous fertilizers on cattle 
distribution on mountain range. J. Range 
Manage. 11: 248-249. 
Smith, E. F., and Young, V. A. 
1959. The effect of burning on the chemical composi- 
tion of little bluestem. J. Range Manage. 12: 
139-140. 
Young, V. A., Anderson, K. L., and others. 
1960. The ‘igestibility of forage on ‘burned and non- 
burned bluestem pasture as determined with 
grazing animals. J. Anim. Sci. 19: 388-391. 
Sneva, F. A. 
1967. Chemical curing of range grasses with para- 
quat. J. Range Manage. 20: 389-394. 
Springfield, H. W. 
1963. Cattle gains and plant responses from spring 
grazing on crested wheatgrass in northern 
New Mexico. U.S Dep. Agr. Prod. Res. Rep. 
74, 46 pp. 
Vallentine, J. F., and Young, V. A. 
1959. Factors affecting the chemical composition of 
range forage plants on the Edwards Pla- 
teau. Tex. Agr. Exp. Sta. MP-384, 8 pp. 
Wagnon, K. A., and Goss, Harold. 
1961. The use of molasses to increase the utilization 
of rank, dry forage and molasses-urea as a 
supplement for weaner calves. J. Range 
Manage. 14: 5-9. 
Wahlenberg, W. G., Greene, S. W., and Reed, H. R. 
1939. Effects of fire and cattle grazing on longleaf 
pine lands, as studied at McNeill, Miss. U.S. 
Dep. Agr. Tech. Bull. 6838, 52 pp. 
