﻿CONTENTS. 



Department Bulletin No. 1141. — Evaporation of Fruits — Contd. 



Preparing evaporated fruits for market 



Packing evaporated apples 



Packing peaches, apricots, and pears 



Packing prunes 



Laws relating to evaporated and dried fruits 



Publications of interest in connection with this bulletin 



Department Bulletin No. 1142. — The Barrier Factors in Gipsy 

 Tree-banding Material: 



Introductory and historical 



Reasons for investigation 



The problem 



Experimental work 



Summary and conclusions : 



Literature cited 



Department Bulletin No. 1143. — Dry-land Pasture Crops for 

 Hogs at Huntley, Mont.: 



Introduction 



Purpose and outline of the experiments 



Results 

 Results 

 Results 

 Results 

 Results 

 Results 

 Results 



n 1915. 

 n 1916. 

 n 1917. 

 n 1918. 

 n 1919. 

 n 1920. 

 n 1921. 



Study of the results with different crops 



Conclusions 



Department Bulletin No. 1144. — Cost of Milk Production on 

 Forty-eight Wisconsin Farms: 



Feed requirements and consumption 



Labor applied to milk production 



Other costs — incidentals, overhead •_ 



Production and prices 



Summary and costs 



Other considerations 



Department Bulletin No. 1145. — Migration Records from Wild 

 Ducks and Other Birds Banded in the Salt Lake Valley, Utah: 



Introduction " 



Migration and occurrence records 



Mallard 



Gadwall 



Green-winged teal 



Cinnamon teal 



Shoveler, or spoonbill 



Redhead 



Returns from other birds 



Publications relating to game birds and the distribution and migra- 

 tion of birds 



Department Bulletin No. 1146. — The Influence of Copper Sprays 

 on the Yield and Composition of Irish Potato Tubers: 



Purpose of investigation 



Results of previous investigations 



Yield of potatoes 



Composition of potatoes 



Plants in general 



Experimental procedure 



Results of experimental work 



Changes in composition of tubers during growth 



Effect of copper sprays on yield and composition of tubers 



Proportion of tubers to vines plus tubers 



Influence of strength and number of applications of copper sprays 



on composition of tubers 



Influence of environment on composition of tubers 



Copper content of vines, stems, roots, and tubers of sprayed 

 and unsprayed plants 



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