BULLETIN No. 91d. 
7 
TABLE I.—Continued. 
Laboratory Number. 
Fertilizer Material. 
TOTAL, 
BY METHOD 
SOLUBLE 
BY METHOD 
INSOLUBLE 
BY METHOD 
Avail’ble,20-mesh seive 
a> 
> 
• pH 
a) 
00 
A 
GO 
0) 
a 
• 
o 
3 
• H 
c3 
> 
< 
P-H 
o 
W 
a 
CO 
o 
£ 
M 
Ignition with Mg 
(N0 3 ) 2 and solu¬ 
tion in HC1 and 
hno 3 
Direct precipitat’n 
i 
Evaporati’n, incin¬ 
eration and solu¬ 
tion in HC1 and 
hno 3 
Incineration and 
solution in HC1 
and HN0 3 
Direct solution in 
HN0 3 and HC1. 
So 
SO 
Dried Blood. 
Pr ct 
Prct 
Prct 
Prct 
Prct 
Prct 
*■ 
425 
Dried blood through 20- 
fts 
mesh seive.. 
1.06 
.93 
.20 
.24 
.41 
Oi 
CO 
• 
.63 
426 
Same sample through 40- 
mesh seive... 
1.02 
1.07 . 
.19 
.23 
.31 
.19 
.... 
.79 
Average.. 
1.04 
1.00 
.19 
.23 
.36 
.25 
.63 
.79 
Bone Meal. 
j 
460 
Bone meal through 20- 
mesh seive.. 
20.66 
_____ 
_ . 
.22 
__ 
14.69 
5 97 
435 
Same sample through 40- 
mesh seive__ 
20.72 
_____ 
.20 
- - - - 
13.04 
_____ 
7.68 
459 
Bone meal through 20 
mesh seive.. 
21.21 
.26 
16.18 
5.03 
434 
Same sample through 40 
mesh seive.. 
.14 
14 55 
6.66 
458 
Bone meal through 20- 
mesh seive__ 
23.35 
.19 
.24 
__ 
17.08 
6.27 
414 
Same sample through 40 
mesh seive__ 
23 31 
.... 
.18 
— 
16.85 
— 
6.46 
Average. 
21.85 
.... 
.18 
.24 
-- 
15.38' 
5.76 
6.27 
Cotton-seed Meal. 
437 
Cotton-seed meal.. 
.... 
2.62 
.38 
1.28 
.20 
• 18 i 
2.43 
438 
Cotton seed meal.. 
2.98 
.32 
1.20 
.13 
.15 
2.84 
439 
Cotton-seed meal. 
3.02 
.27 
1.13 
.13 
.15 
2.88 
6890 
Cotton-seed meal. 
2.62 
.15 
.20 
2.45 
Average. 
2.81 
32 
1.20 
.15 
.17 
2.65 
Cotton-seed meal. 
2.25 
3.19 
Cotton-seed meal. 
1.99 
2.83 
Cotton-seed kernels. 
1.69 
2.37 
Extracted cot.-s’d kernels 
2.22 
4.36 
Average. 
2.06 
3.19 
