Sand Improvement by Surface Percolation Method Using Urease-Containing Substance Extracted from Soybean Seed

<table class="table-group" id="tab6"><tr><td><table class="table"><tr><td class="thead-hr" colspan="10"><hr/></td></tr><tr class="thead"><td class="align_center" colspan="2">Composition</td><td class="align_center">SiO<sub>2</sub></td><td class="align_center">CO<sub>2</sub></td><td class="align_center">CaO</td><td class="align_center">Cl</td><td class="align_center">Al<sub>2</sub>O<sub>3</sub></td><td class="align_center">P<sub>2</sub>O<sub>5</sub></td><td class="align_center">Fe<sub>2</sub>O<sub>3</sub></td><td class="align_center">Other</td></tr><tr><td class="thead-hr" colspan="10"><hr/></td></tr><tr><td class="align_left" rowspan="2">% by weight</td><td class="align_center">Untreated</td><td class="align_center">94</td><td class="align_center">2.42</td><td class="align_center">1.48</td><td class="align_center">0.017</td><td class="align_center">0.84</td><td class="align_center">—</td><td class="align_center">0.76</td><td class="align_center">0.483</td></tr><tr><td class="align_center">Treated</td><td class="align_center">59.0</td><td class="align_center">22.7</td><td class="align_center">13.8</td><td class="align_center">2.03</td><td class="align_center">0.783</td><td class="align_center">0.712</td><td class="align_center">0.450</td><td class="align_center">0.525</td></tr><tr class="table-tr"><td colspan="10"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

<div>Chemical composition of nontreated and treated samples (XRF examination).</div>

Applied and Environmental Soil Science

tab6

Table 6

Table 6: Sand Improvement by Surface Percolation Method Using Urease-Containing Substance Extracted from Soybean Seed 