288 -MASS. EXPERIMENT STATION BULLETIN 271 



105 The Effect of Air Temperature on the Pathogenicity of Rhizoctonia 

 Solaiii Parasitizing Grasses on Putting-Green Turf. Lawrence S. Dick- 

 inson. Pliytopath. 20:597-608. August, 1930. 



106 Pasteurized Dried Fruits. C. R. Fellers. Anier. Jour. Pub. Health and 

 Nation's Health 20:175-181. February, 1930. 



107 Nitrogen Availability in "Based" and Unbased Aninioniuni Sulfate and 

 Aininoniinn Phosphate. A. B. Beaumont and T. R. Swanback. Jour. 

 Amer. Soc. Agron. 22:811-819. September, 1930. 



Ill The Chemical Composition of Grass from Plots Fertilized and Grazed 

 Intensively in 1929. J. G. Arciiibald. Jour. Agr. Research 41:491-501. 

 September 15, 1930. 



Other Contributions to Journals 



(LTnnumbered) 



The Relation of Weather to the Quality and Price of Massachusetts Onions. 



R. L. Mighell and H. B. Rowe. Jour. Agr. Econ. April, 1930. 

 lA Study of the Causes of Cull Apples in 1929. AV. L. Doran and A. I. Bourne. 



Mass. Fruit Growers' Assoc. Rpt. 1930. 

 Effective Control Measures — Oil Sprays: Nicotine Activators. A. I. Borune. 



Mass. Fruit Growers' Assoc. Rpt. 1930. 

 Fruit Insect Pests of 1929. A. I. Bourne. Mass. Fruit Growers' Assoc. Rpt. 



1930. 

 European Red Mite in New England Orchards. A. I. Bourne. Fruits and 



Gardens. March, 1930. 

 Spraying Recommendations in Relation to Bees. A. I. Bourne. Mass. Dept. 



Agr. Spec. Cir. 

 The Plum Curculio as an Apple Pest. W. D. Whitcomb. N. H. Hort. Soc. Ann. 



Rpt. 30. 1930. 

 Poisoning Plum Curculio Beetles — Mechanical Barriers of Dust and Spray 



Residue — Reducing the Cost of Nicotine Sulfate Sprays. A^'. D. Whit- 

 comb. Mass. Fruit Growers' Assoc. Rpt. 1930. 

 The Grapefruit and its Juice. C. R. Fellers. The Glass Packer 2:509-510. 



December, 1929. 

 Roadside Farm Factories as New Factors in Food Preservation. F. P. Grif- 

 fiths. The Glass Packer 2:493-519. December, 1929. 

 Canned Foods Are the Freshest Foods. C. R. Fellers. The Canner 70:17-18. 



June, 1930. 

 Utilization of Cold Packed Fruits in Frozen Dairy Products. C. R. Fellers 



and M. J. Mack. Fruit Products Jour. 9:106-109. December, 1929. 

 Sodium Benzoate and Benzoic Acid as Preservatives for Cider and Other 



Fruit Juices. C. R. Fellers. Fruit Products Jour. 9:113-115. December, 



1929. 

 Some Newer Developments in the Control of Apple Diseases. E. F. Guba. 



Mass. Fruit Growers' Assoc. Rpt. 1930. 

 Automatic Control of Relative Humidity and Temperature Sui)i)lementary 



to Sash Ventilation in Greenhouses. E. F. Guba. Market Growers Jour. 



June 1, 1930, 

 Fundamental Principles in Forcing Gladiolus. L. H. Jones. New England 



Gladiolus Soc. Yearbook, 1930. 



