The Project Gutenberg EBook of Manures and the principles of manuring, by
Charles Morton Aikman

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Title: Manures and the principles of manuring

Author: Charles Morton Aikman

Release Date: November 16, 2008 [EBook #27274]

Language: English

Character set encoding: ASCII

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PRINCIPLES OF MANURING

MANURES

AND THE

PRINCIPLES OF MANURING

BY

C. M. AIKMAN, M.A., D.Sc., F.R.S.E., F.I.C.

FORMERLY PROFESSOR OF CHEMISTRY, GLASGOW VETERINARY COLLEGE, AND
EXAMINER IN CHEMISTRY, GLASGOW UNIVERSITY; AUTHOR OF 'FARMYARD MANURE,'
ETC.

THIRD IMPRESSION

WILLIAM BLACKWOOD AND SONS EDINBURGH AND LONDON MCMX

D. VAN NOSTRAND COMPANY NEW YORK

_All Rights reserved_

TO

SIR JOHN BENNET LAWES, BART., D.C.L., LL.D., F.R.S.,
OF ROTHAMSTED,

AND

SIR J. HENRY GILBERT, M.A., LL.D., F.R.S.,

FORMERLY SIBTHORPIAN PROFESSOR OF RURAL ECONOMY,
UNIVERSITY OF OXFORD,
WHOSE FAMOUS INVESTIGATIONS DURING THE LAST FIFTY YEARS
HAVE SO LARGELY CONTRIBUTED TO BUILD UP
THE SCIENCE OF MANURING,

THIS WORK,

EMBODYING MANY OF THE ROTHAMSTED RESULTS,

IS DEDICATED.

PREFACE.

When the present work was first undertaken there were but few works in
English dealing with its subject-matter, and hardly any which dealt with
the question of Manuring at any length. During the last few years,
however, owing to the greatly increased interest taken in agricultural
education, the demand for agricultural scientific literature has called
into existence quite a number of new works. Despite this fact, the
author ventures to believe that the gap which the present treatise was
originally designed to fill is still unfilled.

Of the importance of the subject all interested in agriculture are well
aware. It is no exaggeration to say that the introduction of the
practice of artificial manuring has revolutionised modern