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 biomass N 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="M12" 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

fig5

Figure 5

Figure 5: Impact of Long-Term Forest Enrichment Planting on the Biological Status of Soil in a Deforested Dipterocarp Forest in Perak, Malaysia 