20 
COTTONSEED MEAL. 
Cottonseed meal was exposed to bacterial action for eight days, 
with the results shown in the following table: 
Nitrogen content of cottonseed meal and its bacterial decomposition products. 
Per cent of original 
material. 
Per cent of total N. 
Per cent of 
groups de- 
composed. 
Per cent of 
organic N 
after bacte- 
rial action. 
Before. 
After. 
Before. 
After. 
1.45 
0.59 
.32 
2.74 
28.43 
11.57 
6.27 
53.72 
Amid N 
0.78 
.96 
3.36 
15.29 
18.83 
65.88 
24.37 
66.67 
15.48 
16.15 
Basic N 
8.77 
Nonbasic N 
75.07 
The above data show that 28.43 per cent of the total nitrogen was 
ammonified. The amid nitrogen decreased from 15.29 per cent to 
11.57 per cent of the total, the basic nitrogen from 18.83 per cent to 
6.27 per cent, and the nonbasic nitrogen from 65.38 per cent to 
53.72 per cent. Expressed in percentages of decomposition it was 
found that 24.37 per cent of the amid nitrogen, 66.67 per cent of the 
basic nitrogen, and 15.48 per cent of the nonbasic nitrogen were 
ammonified. Thus it is found that the basic diamino acids were 
ammonified more rapidly than the other groups. 
LINSEED MEAL. 
Linseed meal was subjected to bacterial action for seven days, 
with the following results: 
Nitrogen content of linseed meal and its bacterial decomposition products. 
Per cent of original 
material. 
Per cent of total N. 
Per cent of 
groups de- 
composed. 
Per cent of 
organic N 
after bacte- 
rial action. 
Before. 
After. 
Before. 
After. 
1.99 
.64 
.38 
1.99 
39.80 
12.80 
7.60 
39.80 
Amid N 
0.83 
.62 
3.55 
16.60 
12.40 
71.00 
22.89 
37.09 
43.66 
21.26 
Basic N 
12.62 
Nonbasic N 
66.11 
It will be seen from the above table that 39.80 per cent of the 
nitrogen was ammonified. The percentages of decomposition show 
that 22.89 per cent of the amid nitrogen, 37.09 per cent of the basic 
nitrogen, and 43.66 per cent of the nonbasic nitrogen were ammonified. 
The organic nitrogen remaining was composed of 21.26 per cent 
amid, 12.62 per cent basic, and 66.11 per cent nonbasic compounds, 
as compared with 16.60 per cent, 12.40 per cent, and 71 per cent, 
respectively, in the original material. Thus it is shown, in contrast 
