MANURIAL VALUES OF FEEDING STUFFS 89 
animal products than grain or hay. The depletion of fertility from 
the farm is reduced to a minimum through the sale of these products. 
a 
20 400 «60 80 
COTTON-SEED MEAL 
LINSEED =MEAL 
BUCKWHEAT MIDDLINGS 
DRIED OISTILLERS' GRAINS i 
MALT SPROUTS 
GLUTEN FEED 
DRIED BREWERS" GRAINS. Kegees 
WHEAT BRAN 
GLOVER HAY 
WHEAT 
OATS 
INDIAN CORN 
BARLEY 
YMGE=ESN 
ake | 
UZ 
TIMOTHY HAY 
WHEAT STRAW 
MILK 
POTATOES 
CREAM 
MANGELS 
BUTTER 
aa PHOSPHORIC ACID pals MANURIAL VALUE PER TON 
=| ae 
Fia .10.—Manurial value of feeding stuffs pikeee valued at 15 cents per pound, phosphoric 
acid and potash, 4 cents per pound). 
QUESTIONS 
. Explain what is meant by the manurial values of feeding stuffs. 
Name some feeds that are especially high in fertilizer ingredients; also 
some that are low. 
. What percentage of nitrogen and of ash constituents are voided in the 
total excrement by (a) milch cows; (6) fattening steers? 
. Why is it a poor practice to sell hay cr straw from a farm? 
. What is the value of the fertility obtained in a ton of milk; a ton of 
pork; a ton of alfalfa hay? 
om 1.0 le 
