Impact of Long-Term Forest Enrichment Planting on the Biological Status of Soil in a Deforested Dipterocarp Forest in Perak, Malaysia

<table>Total mean microbial enzymatic activity at F1 and F2 plots. Different letters indicate significant difference between means of the same soil depths at enrichment planting (F1) compared to secondary forest (F2) plots, using the Student’s <i>t</i>-test (<svg height="12.4875" id="M7" style="vertical-align:-1.29163pt" version="1.1" viewbox="0 0 56.150002 12.4875" width="56.150002" xmlns="http://www.w3.org/2000/svg">
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<tspan style="font-size: 12.50px; " x="0" y="0">𝑃</tspan>
<tspan style="font-size: 12.50px; " x="10.890113" y="0">≤</tspan>
<tspan style="font-size: 12.50px; " x="22.930502" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="29.182001" y="0">.</tspan>
<tspan style="font-size: 12.50px; " x="32.307751" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="38.559254" y="0">5</tspan>
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</svg>) (bars are means, whiskers indicate standard error).</table>

The Scientific World Journal

fig3

Figure 3

Figure 3: Impact of Long-Term Forest Enrichment Planting on the Biological Status of Soil in a Deforested Dipterocarp Forest in Perak, Malaysia 