Williams, Peter John (1974) Seasonal variations of plant nutrient levels and soil microorganisms in colliery spoil with particular reference to nitrogen. PhD thesis, University of York.
Abstract
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.
Metadata
Awarding institution: | University of York |
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Academic Units: | The University of York > Biology (York) |
Identification Number/EthosID: | uk.bl.ethos.477450 |
Depositing User: | EThOS Import (York) |
Date Deposited: | 28 Sep 2015 09:28 |
Last Modified: | 28 Sep 2015 09:28 |
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