Seasonal variations of plant nutrient levels and soil microorganisms in colliery spoil with particular reference to nitrogen
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.
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University of York
1974
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| Online Access: | http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.477450 |