CONTENTS. 



Department Bulletin No. 636. — Cost op Production of Apples in the 

 Payette Valley, Idaho — Continued. 



Farm organization 8 



Farm investments 30 



Orchards 11 



Yields 13 



Markets and prices 14 



Orchard management 14 



Handling the crop 25 



Packing-house labor 27 



Culls and cider apples 29 



Total labor costs 30 



Material and fixed costs 31 



Summary of all costs considered ; . 33 



Factors affecting the annual cost of production 34 



Department Bulletin No. 637. — A Method of Calculating Economical 

 Balanced Rations: 



New method of balancing rations 2 



How to use Tables I and II 7 



Table of equivalent prices 7 



How to use Table III 8 



Relative value of feeds 8 



Relative value of protein feeds 8 



How to use Table IV 12 



Relative value of carbohydrate feeds when the cheapest available feed is 



nitrogeneous 13 



How to use Table V 16 



How to use Table VI 17 



Department Bulletin No. 638. — Forestry and Community Development: 



Too little attention paid to some effects of forest devastation 1 



Why our forests have been devastated 2 



Neglected evils of destructive lumbering 3 



A roving lumber industry 3 



Abandoned towns 4 



Deserted farms 6 



Local shortages of timber 8 



Speculation 10 



Community development interrupted 16 



Abandoned railroads 19 



A lower standard of population 20 



Suggestions for a rational timberland policy 21 



Need for a different system of handling forest lands 21 



Land classification 23 



Continuous forest production 25 



Stability of policy 28 



Public control and ownership 30 



Community benefits 32 



Department Bulletin No. 639. — The Market Milk Business of Detroit, 

 Mich., in 1915: 



Economic phases of the market milk business 1 



Market demands and sources of supply 2 



Buying milk from farmers 4 



Collecting and handling milk in the country 8 



Transportation of milk to the city 11 



Cost of milk delivered to the city 13 



Trade demands in Detroit 14 



Preparing milk for city distribution 16 



City distribution of milk 19 



Summary of comparative costs of handling and distributing milk 23 



Conclusions 27 



