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

Table 2

Pearson correlation analysis results comparing microbial biomass C (MBC) with organic matter (OM), microbial biomass N (MBN) with total N (TN), and OM with MBC/MBN ratio for both plots at the same soil depths.

	MBC versus OM		MBN versus TN		OM versus MBC/MBN ratio
Soil depth (cm)	𝑃 value	𝑟^2	𝑃 value	𝑟^2	𝑃 value	𝑟^2
F1 (0–15)	0.197	0.708	0.087	0.749	0.830	0.113
F1 (15–30)	0.091	0.864	0.603	−0.271	0.667	−0.226
F2 (0–15)	0.947	−0.036	0.120	0.702	0.202	−0.606
F2 (15–30)	0.215	−0.593	0.939	0.040	0.146	−0.670

Note: F1: enrichment planting; F2: secondary forest.