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in Northern New Hampshire 33 



A Survey of the Soils of New Hampshire 33 



Influence of Soil Texture, Soil Moisture, and Soil Aeration upon Growth 



of Plants 34 



FORESTRY 35 



Plantation Studies 35 



White Pine Stands 37 



Spruce Reproduction 39 



Fence Post Durability 39 



Determination of the Supply of Low-grade Wood Available for Man- 

 ufacture into Plastics 39 



Sugar Maple Propagation 40 



Woodlots in Farm Organization in Coos County 41 



FRUITS AND VEGETABLES 41 



Effect of Fertilizing Elements on Apples 41 



Use of Mailing and Other Dwarf Apple Rootstocks 42 



Fruit Bud Formation 43 



Premature Dropping of Fruits, with Special Reference to Mcintosh. 



Apples 43 



Changes in Apples During Ripening and Storage I 43 



Marketing Mcintosh Apples 45 



Winter Injury, with Special Reference to the Apple 45 



Apple Pruning 45 



Spray Management 46 



Blueberry Improvement in New Hampshire 46 



Establishment and Development of Lowbush Blueberries 47 



Strawberry Breeding Tests 47 



Thinning Strawberry Plants 48 



Winter Storage of Strawberry Plants 48 



Variety Trials with Strawberries 48 



Borax on Strawberries 49 



Raspberry and Blackberry 49 



Variety Tests of Other Fruits 49 



Variety Trials of Fruits and Vegetables in Northern New Hampshire .. 49 



Breeding Improved Tomatoes 49 



Developing Disease Resistance in Early Tomatoes • 50 



Muskmelon Breeding 50 



Searching for Disease Resistance in the Muskmelon 50 



Squash Storage 51 



A New Bean 51 



CONTROL OF INSECTS 51 



Penetration of Oils into Insect Eggs 52 



Nature of the Insect Epicuticle 52 



Technique for Utilization of Houseflies in Studies of i oxicants 53 



Sawflies, Gipsy Moths, and Apple Maggots 53 



NUTRITION— VITAMINS— METABOLISM 54 



Factors Affecting Nutritive Value of New Hampshire Grown Fruits and 



Vegetables 54 



Adequacy of Diets of New Hampshire Families 54 



Varieties of Fruits and Vegetables for Home Preservation 55 



