A FARM MANAGEMENT SURVEY IN BROOKS CO., GA. 
29 
Table XII. — Relation of cost of fertilizer applications to yields, costs, and profits 
(Brooks County, Ga.) — Continued. 
Crop. 
Cost of fertilizers per acre. 
Number 
of records. 
Average 
cost of 
fertilizer 
per acre. 
Yield 
per acre. 
Cost per 
crop unit. 
Profit or 
loss per 
acre. 
($1. 50 and less 
28 
22 
11 
$0.70 
1.89 
4.19 
Bushels. 
13.4 
14.1 
16.7 
$0.85 
.86 
1.03 
ffl _$0. 79 
{$1.50 to $2.50... 
a 1.02 
($2.50 and over 
a— 3.40 
61 
1.76 
14.3 
.89 
a— 1.31 
[0 
16 
39 
46 
19 

.97 
1.91 
3.21 
11.2 
11.5 
12.6 
15.1 
.57 
.63 
.74 
.94 
1.72 
j Under $1.50... . 
1.44 
Corn, with peanuts 
|$1.50 to $2. 50 
.64 
[$2.50 and over... 
a .75 
120 
1.56 
12.4 
.70 
.82 
JO 
55 
15 

1.92 
14.9 
19.2 
.55 
.61 
.76 
Oats 
a- .14 
70 
.41 
15.8 
.56 
.56 
f$7 and less 
16 
15 
14 
5.86 
7.82 
9.80 
Carload. 
.48 
.50 
.52 
47.60 
50.48 
52.50 
4.06 
Watermelons 
Hi to $9 
2.96 
5.80 
45 
7.75 
.50 
52.54 
4.23 
f $3 and less 
7 
8 
5 
6 
1.93 
3.21 
5.12 
9.55 
Bushels. 
85 
96 
113 
148 
.28 
.30 
.29 
.30 
26.34 
J$3 to $4 
26.78 
Sweet potatoes 
29 59 
l$7 and over 
55.83 
26 
4.70 
108 
.29 
33.99 
a Loss, 
It was found that with every crop for which there were a suffi- 
cient number of records to make tabulations, increasing amounts of 
fertilizer resulted in regular and appreciable increases in yields. But 
with every crop except sweet potatoes the increased yields were 
obtained at a higher cost per unit of crop, with exceptions to be 
noted, and at lower profits per acre. Thus the cost of corn varied 
from 85 cents per bushel, with the least amount of fertilizer, to $1.03, 
with the largest applications; the corn planted with peanuts cost 
57 cents per bushel without fertilizer, which cost increased to 94 
cents when the most fertilizer was applied. The profits ~ per acre 
decreased in even greater proportion than the cost per bushel 
increased. 
Cotton to which the value of the fertilizers applied amounted to 
less than $2 per acre cost 8.7 cents per pound of net lint to produce. 
But with increasing amounts of fertilizer up to $8 per acre, the cost 
increased to 10.1 cents per pound. Apparently, increasing the fer- 
tilizer applications beyond $8 per acre reduced the cost below the 
high points of the preceding groups. But the small number of 
records for these highest applications renders the results unreliable 
for the last two groups. 
