The seasonal variations of a number of plant nutrients, pH, spoil moisture and temperature and groups of microorganisms concerned with the recycling of nitrogen were investigated in ameliorated and untreated spoils at two colliery spoil heaps of contrasting spoil pH situated in West Yorkshire.
| Identifer | oai:union.ndltd.org:bl.uk/oai:ethos.bl.uk:477450 |
| Date | January 1974 |
| Creators | Williams, Peter John |
| Publisher | University of York |
| Source Sets | Ethos UK |
| Detected Language | English |
| Type | Electronic Thesis or Dissertation |
| Source | http://etheses.whiterose.ac.uk/9933/ |
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