<?xml version="1.0" encoding='utf-8'?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN" "http://www.wapforum.org/DTD/wml_1.1.xml">
<wml>
<card id="card1" title="Permeability of soils - Page 1 - Wikipedia">
<p>
<a accesskey="3" href="page.php?w=Permeability_of_soils_&amp;p=2">3.Next</a>
</p>
<p>A number of factors affect the <b>permeability of soils</b>, from particle size, impurities in the water, <a href="page.php?w=void_ratio">void ratio</a>, the degree of saturation, and <a href="page.php?w=adsorbed">adsorbed</a> water, to entrapped air and organic material.</p>

<p><big>Background</big></p>
<p>Soil aeration maintains <a href="page.php?w=oxygen">oxygen</a> levels in the plants' <a href="page.php?w=Rhizosphere">root zone</a>, needed for microbial and root respiration, and important to <a href="page.php?w=plant_growth">plant growth</a>. Additionally,</p><p>
<a accesskey="3" href="page.php?w=Permeability_of_soils_&amp;p=2">3.Next</a>
</p>

<do type="prev" label="Search">
        <go href="search.wml"/>
</do>

</card>
</wml>
