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THE ROTHAMSTED MONOGRAPHS ON
AGRICULTURAL SCIENCE
EDITED BY
Sir E. J. RUSSELL, D.Sc. (Lond.), F.R.S.

THE MICRO-ORGANISMS OF THE SOIL

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THE ROTHAMSTED MONOGRAPHS ON
AGRICULTURAL SCIENCE.
Edited by Sir E. JOHN RUSSELL, D.Sc., F.R.S.

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During the past ten years there have been marked developmentsin knowledge of the relations between the soil and thegrowing plant. The subject involves physical, biological, andchemical considerations, and its ramifications are now so widethat they cannot be satisfactorily dealt with in detail in anyone book. These monographs collectively cover the wholeground. In “Soil Conditions and Plant Growth” the generaloutlines are presented: in the monographs the various divisionsare fully and critically dealt with by the Heads of the Departmentsconcerned at Rothamsted. A homogeneous treatmentis thus secured that will, it is hoped, much facilitate the use ofthe series.

SOIL CONDITIONS AND PLANT GROWTH, Fourth Edition.
By Sir E. John Russell, F.R.S. 16s. net.

The following volumes are in preparation:—

MANURING OF GRASS-LANDS FOR HAY	By Winifred E. Brenchley, D.Sc., F.Z.S.
THE MICRO-ORGANISMS OF THE SOIL	By Sir E. John Russell, F.R.S., and Members of the Biological Staff ofthe Rothamsted Experimental Station.
SOIL PHYSICS	By B. A. Keen, B.Sc.
SOIL PROTOZOA	By D. W. Cutler, M.A., and L. M. Crump, M.Sc.
SOIL BACTERIA	By H. G. Thornton, M.A.
SOIL FUNGI AND ALGÆ	By W. B. Brierley, S. T. Jewson, B.Sc., andB. M. Roach (Bristol), D.Sc.
CHEMICAL CHANGES IN THE SOIL	By H. J. Page, B.Sc.

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LONGMANS, GREEN AND CO.,
LONDON, NEW YORK, TORONTO, BOMBAY, CALCUTTA, AND MADRAS.

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THE MICRO-ORGANISMS
OF THE SOIL

BY
Sir E. JOHN RUSSELL, F.R.S.
AND
MEMBER

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