I'age 



PLANT PATHOLOGY 



Control of Tomato Diseases 49-50 



Factors Influencing the Development or Suppression of Leaf Roll 



Symptoms in Potato Foliage 50 



Spraying for Apple Scab 51 



The Testing of New Pesticides 51 



POULTRY 



Protein Requirements of Chickens at Various Stages of Growth 51-52 



The Cause and Prevention of Gizzard Lesions in Poultry 52 



Transmission of Pullorum Disease to Adult Birds 52-53 



Anthelmintics in Poultry 53 



Contagious Indigestion (Blue Comb) 53 



SOILS 



Methods for Controlling Erosion on New Hampshire Potato Farms 53-54 

 The Influence of Soil Mixture, Soil Mixture, and Soil Aeration on the 



Growth of Plants 54-5 



^ 



VEGETABLE PRODUCTION 



Factors Affecting the Storage of Squash 55 



\'arietal and Cultural Investigations 55-56 



Treatment of Seeds with Hormones and Hormone-like Preparations 56-57 



STATE SERVICE 



Inspection of Fertilizers and Feedingstuffs, and Soil Testing 57 



Seed Inspection 57-58 



Potato Seed Certification 58 



Autopsies at Poultry Laboratorj- 58 



Pullorum Testing 59 



Manufacture of Fowl-Pox Vaccine 59 



Infectious Bronchitis Work 59 



National Poultry Improvement Plan 59-60 



Dairy Bacteriological and Mastitis Testing 60 



