Soil Testing 



During the last fiscal year residents of the state have submitted 4,190 

 soil samples for analysis of pH and available nutrients. This work en- 

 tailed 29,330 determinations. Two hundred twenty-five samples from green- 

 houses were tested for soluble salts. Five peat and muck samples sub- 

 mitted for identification were analyzed for moisture content, organic matter 

 content, and for pH value, and suggestions were made as to their com- 

 mercial value. 



Seventeen samples were submitted by veterinarians to be tested for 



specific poisons. 



G. P. Percival 



Seed Inspection 



Seed inspection work for the New Hampshire State Department of Agri- 

 culture was conducted during the past year. The results of the tests of 

 680 official samples collected by the State Seed Inspectors throughout the 

 state are reported in Station Bulletin 445. In addition, 1,173 private 

 samples were sent in by seed dealers and farmers, making a total of 

 1,853 samples handled at the laboratory. 



The laboratory took part in the referee testing of samples sent out 

 to all official seed testing laboratories in United States and Canada. 



Bessie G. Sanborn 



Diagnostic Service Performed at the Poultry Labrotary 



From July 1, 1956, to June 30, 1957. a total of 5,966 specimens of all 

 kinds were submitted to the Poultry Laboratory for diagnosis. These 

 represented 2,286 cases. 



A total of 4,492 chicken specimens were examined, and 110 turkeys and 

 15 miscellaneous birds. Forty-eight cases consisting of 65 specimens from 

 various animals were also handled by the laboratory personnel. There were 

 199 cases (834 samples) of blood samples submitted for immunity tests. 



a. c. corbett 

 Richard Strout 

 W. R. Dunlop 

 F. E. Allen 



Infectious Bronchitis Virus 



The Poultry Laboratory has continued to grow infectious bronchitis 

 virus on embryonating eggs, and after being tested for purity and potency 

 it is sold to poultrymen of the state for inoculation of their susceptible 

 birds. During the fiscal year, 150 lots of this virus were supplied to New 

 Hampshire poultrymen. 



A. C. Corbett 



F. E. Allen 



W. R. Dunlop 



