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BOOK REVIEWSMathur, S. P.; Giller, K. E.; Baines, Selwyn; Fellows, Linda E.; Jeffries, P.; Rossiter, J. T.; Rossiter, J. T.; Fish, Neil; Kennedy, Colin D.; Wheeler, B. D.; Leaver, J. David.; Giller, K. E. · Biological Agriculture & Horticulture · 1990