Explanation.--Introductory remarks.--The continuous growth of wheat, in Broadbalk field.--The continuous growth of barley, in Hoosfield.--The continuous growth of leguminous crops.--Experiments on the continuous growth of root-crops, in Barnfield.--The continuous growth of potatoes, in Hoosfield.--Wheat alternated with fallow, in Hoosfield.--Experiments on rotation, in Agdell field.--The experiments on the mixed herbage of permanent grass-land.--Experiments on oats, in Geescroft field.--Experiments on the alternation of wheat and beans, in Geescroft field.--Experiments on barley and clover, in Little Hoosfield.--Experiments on the amount, and on the composition, of rain, and of land-drainage waters.--Experiments on the question of the fixation of free nitrogen.--Experiments on the feeding of animals.--Supplementary investigations in connection with the subject of the feeding of animals.--Summary, papers to be written, &c.--Appendix: Titles of Rothamsted papers, with references and dates of publication: p. 64-74

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