FACTORS OF SUCCESSFUL FARMING NEAR MONETT, MO. 13 
shallow before cold weather it is probable that these farmers would 
get practically double the result they now get from this manure. 
In this connection it may be stated that in Chester County, Pa., 
where the live stock consists mainly of dairy cows which are kept in 
stables practically all winter and at nights during most of the sum- 
mer and where the manure is managed with unusual care the value 
of manure per cow was found by the method above outlined to 
amount to between $15 and $16 a year. 
Table 6 shows the average yield of corn and wheat on the two 
groups of farms designated as grain and live-stock farms and grain 
farms. This table shows that on the average the grain and live- 
stock farms obtained 3.7 bushels more corn per acre than did the 
straight grain farms. On the other hand, the grain farms obtained 
an average of 0.6 of a bushel more wheat per acre than the grain and 
live-stock farms. This difference is due to two causes. In the first 
place, manure is applied mainly to corn land on both groups of 
farms. The grain and live-stock farms, having more manure, get 
larger yields of corn. But wheat gets comparatively little benefit 
from the manure, dependence being placed on commercial fertilizers 
for this crop. Table 6 shows that the grain farmers used more 
fertilizer than the grain and live-stock farmers. Hence they get 
larger yields of wheat. The figures of this table show that, for those 
farms using commercial fertilizers, the grain farmers used $11 worth 
more per 100 acres of crops than did the grain and live-stock farmers. 
Table 6. — Yield of com and wheat on grain and live stock and on grain farms 
(182 farms near Monett, Mo.). 
Type. 
Corn. 
Wheat. 
Fertilizer bought 
per 100 acres of 
crops. 
Farms 
reporting. 
All farms. 
Grain and live stock farms 
Bu. 
26.8 
23.1 
Bu. 
16.1 
16.7 
$44.5 
55.5 
$33.0 
Grain farms 
40.3 
Studies of methods of maintaining good yields have shown that 
the plowing under of sod crops is very important. Crops of this 
character are not much grown in this region, almost the only sod 
crop being a few acres of timothy, and usually this is left down for 
many years and pastured rather closely, so that even when it is 
plowed up not much effect results from the sod plowed under. In 
the absence of sod crops and of abundant manure the plowing under 
of crops especially sown for the purpose becomes important. But 
