64 ANNUAL REPORTS OF DEPARTMENT OF AGRICULTURE. 



Rice: 



Straighthead of Rice and Its Control P. B. 1212 



Roads : 



Standard and Tentative Method of Sampling and Testing High- 

 way Materials D. B. 949 



Sheep: 



Judging Sheep F. B. 1199 



Flushing and other Means of Increasing Lamb Yield D. B. 996 



Soils: 



Gullies: How to Control and Reclaim Them F. B. 1234 



Green Manuring F. B. 1250 



Soils of Eastern Virginia and Their Uses for Truck Crop Pro- 

 duction D. B. 1005 



Sorghum : 



Cultural Experiments with Grain Sorghums in the Texas Pan- 

 handle D. B. 976 



Sudan grass: 



Sudan Grass and Related Plants D. B. 981 



Sugar beets: 



The Sugar Beet Nematode in the Western States F. B. 1248 



Cost of Producing Sugar Beets in Utah and Idaho D. B. 963 



The Beet Sugar Industry in the United States, 1920 :_ D. B. 995 



Sunflowers : 



The Sunflower as a Silage Crop D. B. 1045 



Sweet clover: 



Annual White Sweet Clover and Strains of the Biennial Form__ D. C. 169 



Sweet potatoes: 



Utilization of Flue-Heated Tobacco Barns for Sweet Potato 



Storage F. B. 1267 



Sweet Potato Storage Studies D. B. 1063 



Pvradication of the Sweet Potato Weevil in Florida D. C. 201 



Tick eradication: 



State Laws and Court Decisions Relating to Cattle Tick Eradi- 

 cation D. C. 184 



Tomatoes: 



Tomatoes for Canning and Manufacturing F. B. 1233 



Development of Wilt-Resistant Tomatoes: D. B. 1015 



Phoma Rot of ' Tomatoes D. C. 219 



Tractors : 



Cost and Utilization of Power on Farms Where Tractors are 



Owned D. B. 997 



Weeds and poisonous plants: 



Western Sneezeweed as a Poisonous Plant D. B. 947 



The Mexican AVhorled Milkweed as a Poisonous Plant D. B. 969 



The Death Camas Species as Poisonous Plants D. B. 1012 



Progress of Barberry Eradication D. C. 188 



Wheat: 



Wheat Scab and Its Control F. B. 1224 



Take-All of Wheat and Its Control F. B. 1226 



Influence of Relative Humidity and Moisture Content of Wheat 



on Milling Yields and the Moisture Content of Flour D. B. 1013 



Rust Resistance in Winter Wheat Varieties D. B. 1046 



Kanred Wheat D. C. 194 



