﻿CONTENTS 



11 

 Page 



Department Bulletin No. 1399. — Agrigulttjre Survey of Europe; 

 Germany — C ontinued. 



Livestock industry — Continued. 



Swine 92 



Sheep 98 



German market for American agricultural products 104 



Department Bulletin No. 1400. — Factors Affecting Farmers' 

 Earnings in Southeastern Pennsylvania: 



Basis for the conclusions 1 



Description of the area 2 



Economic conditions in 1922-23 4 



Crop yields and prices 5 



Livestock and livestock product prices 6 



Prices of expense items 6 



Relation of 1922 to future conditions 7 



Farm organization in the area 7 



Cropping systems 7 



Livestock enterprises 11 



Sources of income 12 



Items of expense 15 



Financial results in 1922-23 17 



Factors affecting farmers' earnings in Chester County in 1922-23 20 



Selection and combination of the enterprises 20 



Size of the farm business 20 



Efficiency of operation 22 



Relation of 1922-23 prices to factors determining farmers' earn- 

 ings 25 



Factors which affect returns from the dairy enterprise 25 



Price of milk 26 



Feed cost of milk 29 



Summary 34 



Place of the mushroom enterprise on dairy farms 35 



Summary 39 



Methods of measuring complex factors 39 



Charge for use of land 39 



Factors affecting earnings on all farms 54 



Factors affecting earnings on dairy farms 57 



Literature cited 63 



