Abstract
AN entirely new and re-written edition of Bulletin No. 85, "Rotations", has been published by the Ministry of Agriculture and Fisheries (H.M. Stationery Office, 4d.). The author is Dr. H. G. Sanders of the School of Agriculture, Cambridge, as Prof. R. G. Whyte, writer of the previous editions, was unable to undertake the necessary revision. The principles of rotations are set out clearly, and the Norfolk four-course rotation, which had been followed for some two hundred years on the lighter soils of England, is discussed in some detail. During the last thirty years, however, this system has had to be radically altered to meet changed economic conditions, and cash crops of high value, such as sugar beet and potatoes, have been introduced. The extension of the rotation by means of the seeds ley is discussed, and a separate section is devoted to the special problems on heavy land, while catch-cropping forms the subject of the final section of the bulletin. Emphasis is laid on the fact that for successful farming a thorough understanding of traditional methods is the only sound basis for deviation from established practice.
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Crop Rotation. Nature 154, 510 (1944). https://doi.org/10.1038/154510b0
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DOI: https://doi.org/10.1038/154510b0