26 



Illustration: If a lot of cottonseed meal is guaranteed to test 41 

 per cent protein (8 per cent ammonia) and only tests 35.50 per 

 cent (6.9 per cent ammoina) it shows a deficit of 1.1 per cent. 

 If the contract price was $28.00 a ton, 1-10 of the price would be 

 $2.80 and 1-10 of that .28, which added to the $2.80 would be $3.08 

 which is to be deducted from the $28.00 in the form of rebate. 



NITROGEN, AMMONIA AND PROTEIN EQUIVALENTS. 



One per cent of nitrogen equals 1.2 per cent ammonia equals 

 6.25 per cent protein. 



One per cent ammonia equals .83 per cent nitrogen equals 5.2 

 per cent protein. 



One per cent protein equals .17 per cent nitrogen equals .20 per 

 cent ammonia. 



Linseed Meal. Linseed Meal is evidently not used to any ex- 

 tent as a cattle feed in Massachusetts. It is found quite generally 

 distributed but in small lots. It is usually so high priced that its 



