Jan. 15, 1917 
Calcium Compounds in Soils 
7i 
Table IV .—Calcium compounds in soils stated as calcium oxid —Continued 
CLASS III 
Soil. 
Susquehanna clay: 
Soil, 0-5 in.. 
Subsoil, 5-36 in. 
Cecil clay loam: 
Soil, 0-12 in. 
Subsoil, 12-36 in. 
Colts-Neck loam: 
Soil, 0-6 in. 
Subsoil, 6-36 in. 
Mecklenburg clay loam: 
Soil, 0-4 in. 
Subsoil, 4-24 in. 
Lower subsoil, 24-36 in 
Total 
CaO. 
CaO as 
CaCOa. 
CaO as 
CaS 04 . 
CaO as 
easily 
decom¬ 
posable 
silicate. 
CaO as 
diffi¬ 
cultly 
decom¬ 
posable 
silicate. 
CaO 
with 
humus. 
0. 98 
0. 09 
Trace... 
0. 23 
O. 19 
O.47 
.96 
• 15 
•39 
. 10 
•32 
. 10 
Trace... 
. 06 
• -q-y 
. CO 
.04 
•03 
. 
00 
• 5 2 
• oy 
•59 
. 19 
0. 01 
•03 
•33 
•03 
.46 
. 12 
. 01 
•03 
•30 
1. 98 
. 12* 
Trace... 
. 02 
1. 84 
1. 72 
. l6 
.. .do.... 
•05 
i- 
3- 88 
. 14 
... do.... 
*23 
3- 20 
•31 
CLASS IV 
Grundy silt loam: 
Trace... 
0. 26 
Soil, 0-7 in. 
0. 77 
0. 15 
0. 05 
0.31 
Subsoil, 7-18in. ... 
•53 
. 06 
...do_ 
•05 
.27 
•15 
Lower subsoil, 18-36 in. 
1.10 
• 14 
...do_ 
. 18 
• 5 $ 
. 22 
Soil, 0-8 in. . .. 
1-37 
• 17 
...do— 
•03 
.94 
‘ 2 3 
Subsoil, 8-36 in. 
1* 34 
.08 
.. .do_ 
. 10 
•85 
•31 
Chariton silt loam: 
Trace... 
.56 
Soil, 0-7 in. .. 
.82 
. 12 
. 02 
. 12 
.Qiibcnll *7— tA in . 
‘83 
. 17 
...do — 
•05 
.61 
. 18 
Lower subsoil, 18-36 in. 
.87 
.09 
...do_ 
. 20 
.40 
CLASS V 
Marshall silt loam: 
Soil 0-20 in . 
I. 46 
0.18 
Trace... 
0.11 
0.97 
0. 20 
Subsoil 20-36 in. 
I. 92 
‘49 
... do ... 
•34 
.98 
. 11 
Barnes silty clay loam: ‘ 
Soil 0-17 in... . . 
I. 70 
•25 
Trace... 
.09 
1. 09 
.27 
.QnVicnil in . 
6. 58 
5-67 
. 02 
•03 
.86 
CLASS VI 
Clyde silty clay: 
Soil 0-6 in. 
i- 53 
0.23 
Trace... 
0.14 
0. 58 
0. 58 
Subsoil 6-16 in... 
1. 48 
. 22 
. 01 
•39 
• 7 i 
•i 5 
Lower subsoil 16-36 in. 
1. 26 
•i 5 
Trace... 
•23 
•59 
.29 
Soil 0-8 in. 
1. 40 
.19 
. 01 
.46 
• 5 1 
•23 
Subsoil 8-12 in.. 
1. 29 
‘i 3 
. 01 
. 20 
• 5 i 
• 44 
Lower subsoil 12-36 in. 
1.14 
.07 
•37 
•33 
*37 
