8 DEPARTMENT OF AGRICULTURE BULS. 851-875. 



Department Bulletin No. S69. — The Inheritance of the Length of 



Internode in the Rachis of the Barley Spike — Continued. Page. 



Reliability of experimental methods 4 



Effects of environment and varying sources of seed on density 5 



Purity of parental forms f> 



Inheritance of length of internodes in crosses between pure lines 9 



Summary of results 20 



Discussion of results 21 



Conclusions 24 



Literature cited 25 



Department Bulletin No. 870. — Effect of Winter Rations on Pasture 

 Gains of Yearling Steers : 



Outline of the experimental work ■ 1 



The region and the problems 2 



Objects and plan of the work 3 



Kind of steers used 4 



Feeds usecl_J ._ 4 



Character of pasture 6 



Method of feeding and handling the steers 7 



I. Winter rations and their influence on pasture gains of yearling 



steers 7 



Quantity of feed consumed 7 



Gains and losses during winter 8 



Gains during summer 10 



Gains and losses, winter and summer 11 



Graphic presentation of gains and losses 11 



Conclusions 13 



II. The use of silage and the cost of rations for wintering yearling 



steers 14 



Prices of feeds used 14 



Cost per pound of gain 16 



Value of gains 17 



Value of silage in the rations 18 



General summary of costs and gains 19 



Conclusions 191 



Department Bulletin No. 871. — The Dry-rot of Incense Cedar : 



Importance of incense cedar 1 



Total-loss factors , 2 



Method of collecting data 4 



Secondary rots 7 



The dry-rot 8 



Application of results 49 



Relative importance of dry-rot 49 



Control of dry-rot 49 



Summary 55 



Literature cited 57 



Department Bulletin No. 872. — Insect Control in Flour Mills : 



Mill insect conditions bettered ^ 1 



Incentive leading to insect sanitation 1 



Mediterranean flour moth 2 



Methods of control 7 



Preventive measures 7 



Natural control by parasites 11 



Artificial control measures 11 



Conclusion 39 



Department Bulletin No. 873. — The Shrinkage of Market Hay-. 



Introduction 1 



Resume of data on shrinkage 4 



Factors affecting determination of shrinkage 8 



Shrinkage of newly mown hay 14 



Lose < if dry matter 15 



