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Number of items: 2.
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  • The Park Grass Experiment on the effect of fertilisers and liming on the botanical composition of permanent grassland and on yields of hay. (1976) Thurston, J. M., Dyke, George, Williams, E. D., Snaydon, R. W.
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  • Food resources: conventional and novel. (1976) Pirie, Norman Wingate (Bill)