8 DEPARTMENT OF AGRICTLTUKE BULS. 1G23-1050, 



Department Bulletin No. 1042. — Effect of Winter Rations on Pasture 



Gains of Calves — Continued. Page. 



Gains for winter and summer 8. 



Diagrams of gains and losses & 



Summary of feeding 11 



II. Cost of rations for wintering calves 11 



Cost per pound of gain 13 



Summary of costs 15 



Department Bulletin No. 1043. — Crop Insurance^Risks, Losses, and 

 Principles of Protection: 



The farmer's ' ' independence " 1 



Meaning of "loss" or "damage" in connection with growing crops 2 



Quantitative importance of annual damage to farm crops 5 



Elimination or reduction of risk 13 



Self-insurance 13 



Insurance by contract 16 



Principles of crop insurance 18 



Summary 26 



Department Bulletin No. 1044. — Self-service in the Retailing of Food 

 Products: 



Introduction 1 



Self-ser\dce 2 



Advantages and disadvanatges of self-service 4 



Problems in self-service 14 



Handling perishable farm products 35 



Accounting 39 



Summary of investigations 49 



Department Bulletin No. 1045. — The Sunflower as a Silage Crop: 



Early history of the sunflower . 1 



Present distribution 2 



Cultivation in the United States 2 



Areas suited to the production of sunflowers 4 



Value of sunflowers in the semiarid regions 5 



Soil relations and effect on the following crop 7 



Varieties 7 



Growing simflowers for silage 9 



Date of seeding 10 



Method and rate of seeding 10 



Cultivation and iiTigation 11 



Harvesting methods 12 



Time to cut sunflowers 13 



Filling the silo 15 



Yields of silage 17 



Feeding value of sunflower silage 19 



Composition and digestibility 20 



Palatability 21 



Color, texture, and odor 22 



Acidity of the silage 23 



Results with dairy cattle 23 



Feeding tests ^^TLth beef cattle .^ 26 



Use of sunflower silage in feeding sheep 27 



Feeding sunflower silage to hogs 29 



Sunflowers as a soiling crop 29 



Diseases of sunflowers 30 



Insects attacking sunflowers 31 



Literature cited 31 



Department Bulletin No. 1046. — Rust Resistance in Winter-wheat 

 Varieties: 



Scope of the investigation 



Review of the literature 



Nursery experiments 



Greenhouse experiments 



Comparison of nursery and greenhouse results 



Evidence of specilic rust resistance 



