ENTOMOLOGY 31-34 



Penetration and Toxicity of Contact Insecticides 31-32 



Penetration and Toxicity of Ovicides 32-33 



Insect Record 33 



Apple Maggot 33 



Studies of Insects Affecting Spruce 33-34 



FORESTRY 34-35 



Sugar Maple Propagation 34 



Devices and Implements Useful in Farm Logging 34-35 



Reproduction Studies 35 



White Pine Stands 35 



Spruce Reproduction Studies 35 



FRUIT 36-39 



Leaf Scorch in Deciduous Fruit Plantings 36 



Radioactive Phosphorus for the Study of Plant Nutrition 36-37 



Fruit Varieties 37 



Fruit Plants in Northern New Hampshire 37-38 



Strawberry Improvement 38 



The Use of Mailing and Other Apple Rootstocks 38 



The Development of Low-bush Blueberry Fields 39 



Ecological Factors Associated with Successful Low-bush Blueberry 



Production 39 



ORNAMENTALS 39-40 



Carnations 39-40 



PASTURES 40-44 



Pasture Management Studies 40-41 



Producing the Full Roughage Requirements on New Hampshire 



Dairy Farms. (With Special Reference to Pastures) 41-42 



The Improvement of Ladino Clover, Red Clover and Timothy by 



Selection and Breeding Ladino Clover 42-43 



The Use of Herbicides in New Hampshire with Particular Reference 



to Pastures 43-44 



PLANT PATHOLOGY 44-46 



The Testing of New Pesticides 44-45 



Plant Disease Investigations 45 



The Control of Tomato Diseases 45-46 



Factors Influencing the Development or Suppression of Leaf Roll 



Symptoms in Potato Foliage 46 



POULTRY : 46-49 



Protein Requirements of Chickens at Various Stages of Growth and 



Development 46-47 



