4 DEPARTMENT OF AGRICULTURE BULS. 651-675. 



i m;m Bulletin No. 654. -F uni Organization in the Irrigated 



Valleys oi Southern Arizona: Page. 



Objecl of investigations 1 



Summary of results 1 



i reneral description of localities 4 



Mi 'id, nl of investigation 15 



Standards used in (his bulletin for measuring success 17 



Types of fanning 21 



The adaptation of the farm enterprises to the size of the farm 42 



The relation of capital invested and size of farm to farm income and labor 



income 47 



]»l PARTMENT BULLETIN No. 655. — INFLUENCE ON LlNSEED OlL OP THE GEO- 

 GRAPHICAL Source and Variety op Flax: 



Introduction 1 



Varieties of llax ' 2 



Factors which influence the composition of the oil 3 



Plan of comparison of the oils 4 



Yield and physical properties of the oils 5 



Relation of the oils to the source of seed 14 



Conclusions 15 



Department Bulletin No. 656. — Concord Grape Juice: Manufacture and 

 Chemical Composition: 



Scope of the investigation 1 



Character of fruit used 2 



Manufacture of commercial Concord grape juice 4 



Chemical composition of grape juice 20 



Summary 26 



Department Bulletin No. 657. — A Wheatless Ration for the Rapid 

 Increase of Flesh on Young Chickens: 



Composition of rations used 2 



Character of birds fed 3 



Total pains in weight 4 



Quantity of feed required 5 



Rate of pain 6 



Loss in weight due to killing and chilling 7 



Relation of initial weight to final gain 8 



< ''imposition of broiling chickens before and after fleshing 9 



Economic advantage of fleshing broilers at the packing house 10 



Summary 11 



Department Bulletin No. 658. — Forest Disease Surveys: 



Introduction 1 



< object of forest disease surveys 2 



Disease-survey methods 13 



Pathological maps 19 



Summary 23 



Department Bulletin No. 659. — A Farm Management Study of Cotton 

 Farms op Ellis County, Texas: 



Definitions and explanation of terms 2 



Area surveyed 4 



Tenure.. . ." 14 



Type of farm 23 



Bize of business 25 



Quality of farming 31 



Farm organization 39 



Cost of production 46 



Department Bulletin No. 660.— Highway Cost Keeping: 

 Part I. — Cost keeping in general: 



The fundamentals of cost keeping 1 



Cost elements 2 



Fixed charges 9 



Highway cost analysis 10 



Units of measurement 11 



