8 DEPARTMENT OF AGRICULTURE BULS. 726-750. 



Department Bulletin No. 745. — Chopped Soap Weed as Emergency Feed 



for Cattle on Southwestern Ranges: Page. 



The need of emergency feed 1 



Soap weed as range forage 2 



Cut soap weed as emergency feed 2 



The collection of soap weed 7 



The preparation of soap weed 9 



Feeding the soap weed 10 



The cost of soap weed feed 10 



• The cost of a maintenance ration 11 



The time required for cattle to learn to eat soap weed 11 



The amount of soap weed cattle will eat 12 



111 effects from eating soap weed 12 



Fattening on soap-weed and cottonseed meal 13 



Growth habits of soap weed 13 



Necessity for conservative, selective cutting 15 



Use of related species 17 



Summary 17 



Department Bulletin No. 746. — The Sugar-cane Moth Borer: 



Introduction 1 



Character of injury to sugar cane 2 



Estimation of losses 2 



History 7 



Distribution 9 



Species of Diatraea 10 



Food plants 12 



Summary of life cycle 12 



Description of stages in life cycle 12 



Insectary methods 18 



Life history 19 



Seasonal history 28 



Natural control 35 



Repression 42 



Recommendations 62 



Bibliography 63 



Department Bulletin No. 747. — The Economical Use op Fuel in Milk 

 Plants and Creameries: 



Importance of reducing waste 1 



Comparison of fuel consumption in different creameries 2 



Construction of boiler settings 6 



Construction of furnaces 10 



Hand firing of boiler furnaces 18 



Air leaks 23 



Belt-driven pumps 26 



Steam leaks 27 



Heat losses from bare pipe 27 



Selection of power 28 



Utilizing the exhaust steam 31 



Distribution of heat energy from combustion of coal 42 



i) apartment bulletin no. 748. — farm practice in growing sugar beets 

 in Michigan and Ohio: 



Summary of results 3 



Method of taking records 4 



Development of sugar-beet industry in Michigan and Ohio 5 



Size of farms 6 



Rainfall 6 



Soils 7 



< rop rotation 8 



Man and horse labor 10 



Farm practices in growing sugar beets 10 



Cost of producing sugar beets 33 



Sugar-beet returns versus cost 39 



Relation of yield to cost of production 40 



Value of beet tops 41 



