Restoration of opencast coal mine spoil by planting exotic ...
2003-12-1 · 1.. IntroductionThe establishment of vegetative cover on coal mine spoil is a challenging task due to problems such as compaction, poor water-holding capacity, infertility, high acidity or salinity of soil and extreme temperatures (Moffat and McNeill, 1994, Richards et al., 1996).During opencast coal mining, the removal of earth surface produces overburden