CONTENTS 



Page 



Department Bulletin No. 1234. — Agricultural Survey op Europe: 

 The Danube Basin. Part I: 



The agricultural survey of the world 1 



The Danube States defined 2 



Agricultural surpluses and deficits 4 



Trade routes 5 



The agricultural situation in Hungary 7 



General character of the country 7 



Utilization of land 8 



Large estate versus peasant farming 11 



Pre-war wheat balance in old Kingdom of Hungary 13 



Pre-war rye balance in old Kingdom of Hungary 16 



Wheat and rye situation in 1922 18 



Corn (maize) 19 



Pre-war barley balance in old Kingdom of Hungary 22 



Pre-war oats balance in old Kingdom of Hungary 24 



Pre-war potato balance in old Kingdom of Hungary 27 



Sugar beets 29 



Fodder beets in Hungary 30 



Animal industry in Hungary 31 



Consumption norms in Hungary 37 



Appendix 1 . The land reform in Hungary 39 



The agricultural situation in Austria 44 



Austria's post-war decrease in production 47 



Pre-war wheat and rye balance of the old Monarchy 52 



Drawbacks to effective agricultural operation in Austria 56 



Possibilities of increased food production 63 



Total food requirement 64 



Relatively heavy food imports necessary 66 



Origin of imports 67 



The agricultural situation in Czechoslovakia 68 



Geography and population 68 



Utilization of the land 70 



The wheat and rye situation 72 



Postwar changes in agriculture 77 



Former Austrian territory 77 



Former Hungarian territory 84 



Hypothetical wheat and rye balance 87 



General tendencies of postwar Slovak farming 88 



Former Hungarian territory (Ruthenia) 89 



Conclusions 92 



Department Bulletin No. 1235. — Life History op the Codling 

 Moth in the Yakima Valley of Washington: 



Introduction 1 



The Yakima Valley 2 



Definitions of terms 4 



Methods and rearing apparatus employed in the life-history studies. 4 



The insectary 6 



Seasonal-history studies of 1919 6 



Codling moth band studies of 1919 20 



Seasonal-history studies of 1920 22 



Codling moth band studies of 1920 35 



Seasonal-history studies of 1921 37 



Codling moth band studies of 1921 53 



Variations in the seasonal history of the codling moth in the upper 



and lower Yakima valleys 55 



Seasonal-history studies at Wenatchee, Wash., 1915-16 56 



Miscellaneous studies 58 



Review of seasonal history of the codling moth in 1919, 1920, and 1921. 72 



Summary 73 



