Bulletin USDA

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Results of investigations on the Rothamsted soils, being the lectures delivered under the provisions of the Lawes agricultural trust

A - Papers appearing in refereed journals
Dyer, B. 1902. Results of investigations on the Rothamsted soils, being the lectures delivered under the provisions of the Lawes agricultural trust. Bulletin USDA. 106, pp. 1-184.

Agricultural investigation at Rothamsted during a period of fifty years

A - Papers appearing in refereed journals
Lawes, J. B. and Gilbert, J. H. 1895. Agricultural investigation at Rothamsted during a period of fifty years. Bulletin USDA. 22, pp. 1-316.