Correlation of Humus and Water Content on Saba Clay, Denton, Texas Page: 38
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38
A comparative study of the fore-going method with that
of the wet and dry combustion procedures was made by Alli-
son, and later by Waksman,6 both finding highly satisfac-
tory results.
Tabulations in Table 4 show the amount of humus, in
percentage of the dry sample, of the various plats. A cor-
relation between the humus and water content of represent-
ative plats, picked at random, will be found in Figure 1.
Meterological Record
Permanent equipment for the recording of meterological
data is in possession of the Experiment Station. The follow-
ing data has been taken from the permanent record:
TABLE 2
MEAN TEMPERATUFYt AND PRECIPITATION
DATA
Jan. Feb. Mar. Apr. May June July
Preolpi- 3.29 4.44 8.58 2.95 2.34 3.08 2.29
station
Tempera- 47.6 53.0 63.0 62.3 71.8 80.2 83.4
ture
G. A. Allison, "Organic Soil Carbon by Reduction of
Chromic Acid," Soil Sclence, XL, (1935), p. 511.
Selman A. Waksaan, Humus, p. 405.
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Wilson, Clyde Byron. Correlation of Humus and Water Content on Saba Clay, Denton, Texas, thesis, August 1938; Denton, Texas. (https://digital.library.unt.edu/ark:/67531/metadc32922/m1/45/: accessed April 23, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; .