44 



HINTS ()X DAIRYING. 



is secured in the form of ammonia in rain, by a process 

 called nitrification it unites with the soil, and it exists in 

 all decayed animal and vegetable matter in a form suit- 

 able for plant food. Men and animals get it by eating 

 vegetables or by eating one another. It is a very abun- 

 dant and important element, yet very difficult to obtain 

 in an available form for plant and animal food. Fortu- 

 nately, but comparatively little of it is needed. 



RATION'S. 



By referring to the feed tables furnished by the ana- 

 lysts of this country and Europe, the farmer can learn 

 the constituents of foods. Then, knowing the ration re- 

 quired, he can take different foods and compound in the 

 right proportions aimed at in feeding, whether for work, 

 for growth, for fat, for bare maintenance, or for milk. 

 We give the German standards for feeding animals: 



