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Applied and Environmental Soil Science
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Applied and Environmental Soil Science
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2024
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Article
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Tab 6
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Research Article
Sand Improvement by Surface Percolation Method Using Urease-Containing Substance Extracted from Soybean Seed
Table 6
Chemical composition of nontreated and treated samples (XRF examination).
Composition
SiO
2
CO
2
CaO
Cl
Al
2
O
3
P
2
O
5
Fe
2
O
3
Other
% by weight
Untreated
94
2.42
1.48
0.017
0.84
ā
0.76
0.483
Treated
59.0
22.7
13.8
2.03
0.783
0.712
0.450
0.525