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Management and modification procedures for long-term field experiments. (1996) Poulton, Paul

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The Rothamsted long-term experiments: are they still relevant? (1996) Poulton, Paul picture_as_pdf

Effects of fertilizer-nitrogen and water supply on distribution of dry matter and nitrogen between the different parts of wheat. (1970) Spratt, E. D., Gasser, J. K. R. picture_as_pdf