EFFICIENCY OF EXTRACTION METHODS APPLIED TO
JAPANESE SOIL SAMPLES
(Collected in January 1954 at Hiroshima)
sr7° d/m/grem air-dried soil
I (cultivated)
A-1 (0-1" top)
Ool M HCl
0.61 2% 0,06
1.0 M HCl
0.85 2 0,08
6.0 M HCl
0.92 2 0.08
0072 4 0006
Oah9
1.8
tg
3 0.007
aed
0.067
mM
1.0 M NHAc
a)
Leach Reagent
°
EEIQEGns
TABLE 1
005
0008
2 0008
open
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