Contents 



AGRICULTURAL AND BIOLOGICAL CHEMISTRY 



The Carbohydrates in Pasture Grasses 7 



Effect of D-Amino Acids on Growth of Lactobacilli 7 



Chemical Studies Concerning the Determination of Asconbic Acid 



in Foods 7 



Work with Lime and Chelated Comipounds on a Paxton Soil in the 



Greenhouse 8 



Lasting Effect of an Application of Lime and Cobalt to a 



Gloucester Soil 8 



Carotene Content of Grass and Clover Ensiled with Different 



Preservatives 9 



Other Active Projects 9 



AGRICULTURAL ECONOMICS 



Tank^Truck Assembly of Milk in New Hampshire 9 



The Population of New Hampshire — Basic Trends and 



Characteristics 10 



A Description and Analysis of the Livestock Markets Available to 



New Hampshire Dairymen and Beef Producers 11 



The Economics of Dairy Herd Replacements 11 



Marketing Mixed Grain Feed 12 



Production Management Problems on Specialized Poultry Farms 13 



Costs and Efficiency in Marketing Poultry Products 13 



Effects of Reservoir Construction on the Agricultural Economy of 



the Merrimack River Valley 13 



Agricultural Damages, Reach 8, Merrimack River, 1936 Flood 14 



Other Active Projects 15 



x\GRONOMY 



"Merrimac", a New Potato Variety 15 



Search Continued for a Perennial Red Clover 15 



Better Adapted and Higher Yielding Corn and Grain Varieties 15 



Radioactive Phosphorus Absorption by Potato Leaves Shows that 



Phosphorus Fertilizer Can be Applied as a Foliage Spray 16 



Potato Scab Easier to Prevent Than to Cure 17 



Legume-Grass Yields Highest Without Nitrogen Fertilizer 17 



Narragansett Alfalfa Proves Superior 17 



Breeding of Grasses and Legumes in the Search for Superior Plants .... 18 



Irrigation Water and Nitrogen Fertilizer Can Be Wasted 19 



Lime Makes Potash More Efficient 19 



Birdsfoot Trefoil a Superior Legume on Soils of Low Fertility 19 



Root Habits Can Be Changed 19 



Other Active Projects 20 



BACTERIOLOGY 



Diagnosis and Control of Vibriosis in New Hampshire Dairy Herds .... 20 



Studies on Bovine Mastitis 20 



BOTANY 



New Blight-Resistant Tomatoes Show Promise 20 



Propagation of Woody Plants 21 



4 



