Research Article

Effects of Soil Compaction and Relative Light Intensity on Survival and Growth Performance of Planted Shorea macrophylla (de Vriese) in Riparian Forest along Kayan Ulu River, Sarawak, Malaysia

Figure 6

Relationship between mean annual increment in diameter at breast height with soil penetration resistance and relative light intensity. : correlation is significant at P < 0.01, using Pearson correlation matrix.