INDEX 



Agricultural Engineer, report of, on Local Experi- 

 ment Work Cir. 35: 34-35 



Agriculturist, report of R. 30: 11-16 



Animal Husbandman, report of, on Local Experi- 

 ment Work Cir. 35: 14-10 



Animal Husbandman, report of . R. 30: 23-24 



Blasingame, R. U., report of, on Local Experiment 



Work Cir. 35: 34-35 



Botanist, report of R. 30: 17 



Cary, C. A., report of . R. 30: 25-27 



Cause of the Disappearence of Cumarin, Vanillin, 



Pyridine and Quinoline in the Soil Bui. 195 



Literature Bui. 195: 50 



Experimental Soils Used Bui. 195: 51 



Chemicals Used .. Bui. 195: 51 



Table 1 — Micro-organisms in Millions 0.25 

 g. m. of Air Dry Soil; Soil Potted June 30. 

 Compounds Added to the Pots July 29 .Bui. 195: 50 

 Table 2 — Number of Actinomyces Colonies 

 Appearing on 1 to 20,000 Dilution Plates 

 Bui. 195: 53-54 



Comparilive Effect on Plant Growth of 

 Toxins in Sterile and Inoculated Soils __Bul. 195: 55 

 Table 3— Growth of Wheat in Sterile Soil 

 and Inoculated Soil which has been Inocu- 

 lated for 57 Days .._ Bui. 195: 55-50 

 Table 4— Growth of Wheat in Soils from 

 Sterile Bottles and Inoculated Bottles. _Bul. 195: 57-58 

 Bacteria Feeding on Vanillin, Cumarin, 



Pyridine, and Quinoline Bui. 195: 58-61 



Summary Bui. 195: 62 



Literature Cited ... .Bui. 195: 62-01 



Corn, How to Save Alabama's Corn Crop . P. B. 90 



Corn, Tests and Varieties in 1917 __P. B. ! 1 



Cotton, Tests and Varieties of, in 1917 P. B. !>2 



Director, report of, on Local Experiment Work 



Done in 1916 Cir. 35: 3-7 



Director, report of H. 30: 11-16 



Duggar, J. F., report of R. 30: 11-10 



Duggar, J. P., report of, on Local Experiment Work Cir. 35: 3-7 

 Drainage Engineer, report of, on Local Experiment 



Work Cir. 35: 18-19 



