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Barnes, W. C. (2788) 



PASTURES. THE PROBLEM OF SYSTEMS OF GRAZING. Jour. Amer. SoC. Agron. 



16: 202-205. 1924. 

 Clarke, S. E. (2789) 



PASTURE INVESTIGATIONS ON THE SHORT GRASS PLAINS OF SASKATCHEWAN 



and alberta. Sci. Agr. 10: 732-749, illus. 1930. 

 Cotton, J. S. (2790) 



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Indus. Bull. 75, 26 pp., illus. 1905. 



Douglas, L. H. (2791) 



deferred and rotation grazing. Natl. Wool Grower 5 (10): 11-14, illus. 

 1915. 



Flood, F. (2792) 



rotation grazing on grassland farms. Okla. Farmer-Stockman 45 (2): 

 25, illus. 1932. 



Forsling, C. L. (2793) 



the spring range problem. Producer 10 (5): 3-7, illus. 1928. 



Hanson, H. C. (2794) 



early grazing ruins the ranges. Cattleman 15 (6): 31-32. 1928. 



— Love, L. D., and Morris, M. S. (2795) 



EFFECTS OF DIFFERENT SYSTEMS OF GRAZING BY CATTLE UPON A WESTERN 



wheatgrass type of range near fort collins, Colorado. Colo. Agr. 

 Expt. Sta. Bull. 377, 82 pp., illus. 1931. 



Hayne, R. A. (2796) 



rotated grazing. Country Gent. 103 (5): 54. 1933. 



Hein, M. A. (2797) 



GRAZING TIME OF BEEF STEERS ON PERMANENT PASTURES. JoUI\ Amer. SoC. 



Agron. 27: 675-679. 1935. 



Hodgson, R. E., Grunder, M. S., and Knott, J. C. (2798) 



efficiency of rotational grazing. Wash. Agr. Expt. Sta. Bull. 260: 29. 

 1931. 



Grunder, M. S., Knott, J. C, and Ellington, E. V. (2799) 



A comparison of rotational and continuous grazing of pastures in 

 western Washington. Wash. Agr. Expt. Sta. Bull. 294, 36 pp., illus. 

 1934. 



Lyon, T. L., and Bizzell, J. A. (2800) 



nitrogen accumulation in soil as influenced by the cropping system. 

 Jour. Amer. Soc. Agron. 25: 266-272. 1933. 



Morris, M. S. (2801) 



can we improve our range? Colo. Agr. Col. Ext. Bull. 313-A, 12 pp., illus. 

 1932. 



(2802) 



deferred-and-rotation system of grazing. Amer. Cattle Producer 16 (5): 

 [3]-5, illus. 1934. 



Olson, E. I. (2803) 



cropping systems for north Dakota. N. Dak. Agr. Col. Ext. Circ. 39. 

 16 pp., illus. 1920. 



Sampson, A. W. (2804) 



RANGE IMPROVEMENT BY DEFERRED AND ROTATION GRAZING. U. S. Dept. 



Agr. Bull. 34, 16 pp., illus. 1913. 

 ■ and Malmsten, H. E. (2804a) 



GRAZING PERIODS AND FORAGE PRODUCTION ON THE NATIONAL FORESTS. U. S. 



Dept. Agr. Bull. 1405, 55 pp., illus. 1926. 

 Sarvis, J. T. (2805) 



EFFECTS OF DIFFERENT SYSTEMS AND INTENSITIES OF GRAZING UPON THE 

 NATIVE VEGETATION AT THE NORTHERN GREAT PLAINS STATION. U. S. 



Dept. Agr. Bull. 1170, 46 pp., illus. 1923. 



