h2
Sanple
Soil

All Soil sarmles Jisted be7ow were obtcined by Dr. L. Te
Mexarer ard exiracted at the Suil Swvey Laboratory,
U.S. department cf Apracuiture, Beltsvilie, Maryland.

During the Serine of 1956, the Beltsville laboratory

discontinued the enmneniunm acetate extraction procedure

in favor of elevtrcdialvsis extraction. The method of
extraction is indicated for eaen sample, Soil Survey
Laboratory enalyses on these samples include the determination of Wa, K, Mg, Ca ani Sr,
Chicage Milkshed:

Collected by Dr. L. ‘lexander, Soil

Survey LaLovratory, Plant Industry Statior, ", S, Depart-

ment of igrivuiture, Belteville, iferyland, and Dr. E, «A.
Martell, Enzicco Fermi Institute for Nuclear Studies,
University of Chicago, Chicago, Illinois, September 29

and 30, 1955,
1.

CL 1019:

‘

Swanson Farm (#73), Winnebago County,

Tilinois., Carrington-like silt loam, Reitsville

6.83

{+

tte

0.08

+

Ve

SunshineUntt:
—— -

1.0

#551503, Wi) iC extraction-of 4 Iss, soil, 0-8"

depth, 20.0 g oxalate, 7.5: g oxide, 5.39 g Ca,

2. Holcomb Tarm (ih), Hock County, “isconsin,
Carrington silt loam,

a. CL 956:

Beltsville #551500, NH)C extraction

26.7

be

Beltsville #551501, NHC extraction

3.81 + 0,1b

of | lbs. soil, 0-2" depth, 12,1
6.82 g oxide, 3.06 g Ca.

CL 0°57:

g oxalate,

of h lts. soil, 2-6" depth, 12,1 g oxalate,

6.21 ¢ oxide, 3.18 ¢ Ca,

3.

CL 1018: Preme Farm (#6), Columbia County, Wisconsin, Miami silt loam, Beltsville #551502, NH),.c
extraction of k lbs. soil, 0-6" deoth, 11.25 g
oxalate, 3,9) g¢ oxide, 2.79 g Ca,

h.

KXurpeski Farm (#7), McHenry County, Illinois,

15.0 + 0.5
~

Miani silt loam,

a,

CL &86: Beltsville #551196, Sample 1, NH)..C
extraction of k lbs. soil, 0-6 or 7# senth,
8.51 g oxalate, 3.21 g oxide, 2.2) g Ca,

11.9 + 0.5

b. CL 887: Beltsville #551197, Sample B, NH),..C

12.6 + 0.5

extraction of ) lbs. soil, 0-6 or 7" depth,

NYGO

68.90 g oxalate, 3.35 g oxide, 2.36 g Ca,

13

A

Select target paragraph3