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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

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

During the past ten years there have been marked developments in knowledge of the relations between the soil and the growing plant. The subject involves physical, biological, and chemical considerations, and its ramifications are now so wide that they cannot be satisfactorily dealt with in detail in any one book. These monographs collectively cover the whole ground. In “Soil Conditions and Plant Growth” the general outlines are presented: in the monographs the various divisions are fully and critically dealt with by the Heads of the Departments concerned at Rothamsted. A homogeneous treatment is thus secured that will, it is hoped, much facilitate the use of the 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 HAYBy Winifred E. Brenchley, D.Sc., F.Z.S.
THE MICRO-ORGANISMS OF THE SOILBy Sir E. John Russell, F.R.S., and Members of the Biological Staff of the Rothamsted Experimental Station.
SOIL PHYSICSBy B. A. Keen, B.Sc.
SOIL PROTOZOABy D. W. Cutler, M.A., and L. M. Crump, M.Sc.
SOIL BACTERIABy H. G. Thornton, M.A.
SOIL FUNGI AND ALGÆBy W. B. Brierley, S. T. Jewson, B.Sc., and B. M. Roach (Bristol), D.Sc.
CHEMICAL CHANGES IN THE SOILBy H. J. Page, B.Sc.

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

THE MICRO-ORGANISMS
OF THE SOIL

BY
Sir E. JOHN RUSSELL, F.R.S.
AND
MEMBERS OF THE BIOLOGICAL STAFF OF THE
ROTHAMSTED EXPERIMENTAL STATION

WITH DIAGRAMS

LONGMANS, GREEN AND CO.
39 PATERNOSTER ROW, LONDON, E.C. 4
NEW YORK, TORONTO
BOMBAY, CALCUTTA and MADRAS
1923

Made in Great Britain