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to build:<br />
Step 4<br />
Apply a layer of immature material, about<br />
2 in (5 cm) thick and water until evenly<br />
moist.<br />
Step 5<br />
Apply a layer of soil about 1⁄4 in (1⁄2-1 cm) thick<br />
and wa- ter. e soil plays an important role, helping<br />
to stabilize the moisture and temperature levels of<br />
the pile and inoculating it with microorganisms.<br />
Step 6<br />
Repeat steps 3 through 5 until you have<br />
used up your mate- rials or the pile is tall<br />
enough for you to stop working on it,<br />
whichever comes rst.<br />
15
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