CHAPTER VIII. 
CROP ROTATION. 
N agriculture on a large scale the difficulty 
is how to arrange the farm business so as 
to make it pay. It is only of late that we 
are beginning to understand that agriculture 
is a business, and that to make it pay one must 
apply business principles. The best farmer is 
not necessarily the one who knows the most 
“Science,” but the one who is able to fit 
his science, his facts and his business in to- 
gether. 
The market value of special crops is so high 
that the grower can afford to provide the extra 
manure and other expensive materials to keep 
the land in good condition. This is the chief 
reason for the use of great quantities of stable 
manure in market-gardening, far greater quan- 
tities than are needed for mere food of the crops. 
So if you find that you are advised to use more 
manure on your small plot than some farmer 
you know uses on his big field, do not feel that 
you are being imposed upon. He could not 
afford to use so much and you cannot afford 
to use less. The farmer on a large scale has to 
let part of his low priced land rest in clover once 
in a while. You cannot afford to let any of 
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