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Comparisons of crop yields using semi-organic and inorganic fertilizers (1977)
Thesis
Kerr, M. D. (1977). Comparisons of crop yields using semi-organic and inorganic fertilizers. (Thesis). University of Hull. Retrieved from https://hull-repository.worktribe.com/output/4214387

A series of experiments is described in which a semi-organic fertilizer is compared to the more widely used inorganic type. A semi-organic fertilizer contains a base of organic materials to which is added a mixture of inorganic salts to make up a sui... Read More about Comparisons of crop yields using semi-organic and inorganic fertilizers.