TABLE OF CONTENTS 



Page 

 AGRICULTURAL AND BIOLOGICAL CHEMISTRY 



Analysis of Forage Samples 5 



Chemical Studies Concerning the Determination of Ascorbic Acid in Foods .... 5 



How Good are New Hampshire Canned Vegetables? 5 



Starch Hydrolysis in Winter Squash 6 



Study of Assay Methods for Some Water-Soluble Vitamins 6 



The Effect of Soil Type, Species, and Fertility in the Minor Elements in 



New Hampshire Forage 7 



AGRICULTURAL ECONOMICS 



Cost Reduction Possibilities on Dairy Farms 7 



Efficient Chore Practices in Dairy Barns 8 



Harvesting and Marketing New Hampshire Cucumbers Under Contract 8 



Strawberry Marketing 8 



AGRICULTURAL ENGINEERING 



Convenient Transportation Means Longer Harrow Life 9 



Front Opening Type Milk Cooler Shows Promise 10 



Home Made Conveyors Save Time and Labor in Removing Baled Hay from 



the Mow 10 



Wagon Unloaders May Aid in the Removalof Chopped Hay to the Feed Floor 11 



Low Cost Insurance Against Electric Power Loss 11 



Infrared Brooding of Chickens and Poults 12 



BACTERIOLOGY 



Diagnosis and Treatment of Mastitis 13 



Treatment of Brucellosis (Bang's Disease) With Aureomycin 13 



CROPS AND PASTURES 



Birdsfoot Trefoil Work Under Way 13 



New Alfalfa Varieties Being Tested 14 



Progress With New Hampshire Perennial Red Clover 14 



Smooth Brome Grass Strains Under Test 15 



Kennebec Most Promising New Potato Variety 15 



Potato Varieties for Chipping 15 



Disease-Resistant Oats for New Hampshire 15 



Hybrid Corn Yield Tests 16 



Irrigation to Improve Pastures 17 



Boron is Essential for Best Yields of Ladino Clover 18 



Continued Use of Fertilizers Containing Borax is Detrimental to Yield of 



Potatoes 18 



To Avoid Scab Use Extreme Care in Liming Potato Soils 19 



DAIRYING 



Does Metliod of Preserving Roughage Affect Vitamin Synthesis in the Rumen? 19 



Fine-Ground Grain Mixture Digested and Utilized Better by Dairy Heifers .... 19 



Grass Silage Produces Good Growth When Fed to Dairy Heifers 20 



Limestone Lowers Digestibility of Silage 20 



Minor Element Content of Forage Can Be Reduced by Heavy Use of Fertil- 

 izer and Lime 21 



Radioactive Cobalt Used in Mineral Studies 21 



The Effect of Sulfathalidine on the Excretion of Water-Soluble Vitamins by 

 Ruminants and on Their Utilization and Digestion of the Protein and 



Energy in the Feed 21 



Trench Silo Proves Successful 22 



Utilization of Protein in Grass Silage Far Superior to Hays 22 



Vitamin D Helps Calves Make Better Use of Their Feed 22 



Improving the Processing, Packaging, and Shipping of Bull Semen Used for 



Artificial Insemination 23 



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