CONTENTS. 5 



i 



Department Bulletin No. 234. — Utilization and Management op Lodge- 

 pole Pine in the Rocky Mountains — Continued. P a 6 e - 



Fire-killed timber 7 



Size and contents of various products 8 



Annual cut 9 



Methods of lumbering 10 



Costs and selling prices 14 



Charcoal making 20 



Management 21 



Protection 46 



Summary 48 



Appendix 49 



Department Bulletin No. 235. — Control of Dried-fruit Insects in Cali- 

 fornia : 



Introduction 1 



Insects concerned in the injury 2 



Economic importance of dried-fruit insects 2 



Preliminary observations ' 3 



The Indian-meal moth 3 



The dried-fruit beetle 5 



Processing dried fruit 5 



The effect upon insects of processing fruit 6 



A belt heater to destroy insects in dried fruit 7 



Protecting dried fruits from infestation 8 



Sealed packages for dried fruit 9 



Shipping tests of fiber-board packages 10 



The seal 11 



Advantages of the sealed carton for dried fruit 11 



Other sealed packages 11 



A carton wrapping and sealing machine 13 



Preparation of a sterile package of dried fruit 14 



The screened packing room 14 



Summary and conclusions 15 



Department Bulletin No. 236. — A System of Accounts for Farmers' 

 Cooperative Elevators: 



Introduction 1 



Types of elevator accounting systems 2 



Office equipment ". 2 



Taking an inventory 2 



Auditing the books 3 



Hedging 4 



Insurance of elevators 4 



Description of the Office of Markets and Rural Organization grain elevator 



accounting system 4 



Instructions for operating the system 8 



Conclusion 20 



Department Bulletin No. 237. — Strawberry Supply and Distribution 

 in 1914: 



Scope of the investigation '. 1 



Strawberry shipments during 1914 2 



Department Bulletin No. 238. — Sugar Beets: Preventable Losses in 

 Culture : 



Introduction 1 



Striking differences in local yield 2 



Variation in stand 3 



Three types of soil studied 3 



Observations in 1910 3 



Observations in 1911 6 



Observations in 1912 6 



Analysis of observations 6 



Correlation of stand and yield 7 



The significance of poor stands 10 



Losses on a cash basis 12 



How to obtain better stands 14 



Summary 20 



