Restoring jarrah forest in southwestern Australia after ...
Heavy machinery used in mining procedures significantly compact the soil floor. Studies done by Alcoa of Australia Limited have shown that compaction only occurs to a depth of m or less, but this amount is enough to seriously inhibit root penetration (Nichols et al. 1985). From 1971, mining pits were ripped to a depth of 1 m using a single tyne attached to a bulldozer (Nichols et al. 1985 ...