CONTENTS. 



Department Bulletin No. 476. — A Study op Cotton Market Conditions 

 in North Carolina with a View to Their Improvement: Pago. 



Introduction J 



Method of procedure 



Character of the cotton produced in North Carolina 



Production compared with consumption of cotton in North Carolina 5 



Relative merits of certain primary markets in North Carolina 6 



Comparison of cash with credit sales 9 



Prices received for classed cotton compared with prices received for un- 



classed cotton 9 



Comparison of small and large lot sales 16 



Other advantages derived from a knowledge of class 17 



Conclusions 17 



Department Bulletin No. 477. — Marketing and Distribution of Straw- 

 berries in 1915: 



Introduction 1 



Methods employed in dealing with strawberry pickers 2 



Cooperative associations 3 



Sales methods commonly employed 8 



Transportation 8 



A study of the Louisiana district 9 



Extent, length, and volume of movement from all districts 11 



Comparison of prices received for strawberries on important markets 13 



Average quality of strawberries shipped 17 



Distribution of strawberries in 1915 18 



Total strawberry shipments in 1915 ; 27 



Department Bulletin No. 478. — The Origin, Characteristics, and Qual- 

 ity of Humpback Wheat: 



Introduction 1 



Milling and baking qualities 2 



Conclusions 4 



Department Bulletin No. 479. — Nursery Practice on the National 

 Forests: 



Introduction 1 



Factors influencing selection of a nursery site 1 



Size and arrangement of nursery 7 



Outfit ■ 10 



Nursery operations 15 



Removal of planting stock from nursery 64 



Diseases and injuries in nursery 68 



Fertilizers * 79 



Costs of operations 86 



Department Bulletin No. 480. — Solid-stream Spraying Against the 

 Gipsy Moth and the Brown-tail Moth in New England: 



Introduction ..'. 1 



History 1 



Description of apparatus 3 



The engine 4 



The hose 4 



Nozzles 5 



Motor-truck sprayer 6 



Poison 7 



Mixing poison ■ 8 



Agitation 8 



Amount of solution to be used 8 



Pressures 9 



Experiment to determine the distribution of poison on foliage 10 



Shade-tree spraying 11 



Woodland spraying 12 



Winter-care of spraying machines and equipment 13 



Summary 14 



3 



