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Lessons on Soil - Edward J. (Edward John) Russell
The Project Gutenberg EBook of Lessons on Soil, by E. J. Russell
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Title: Lessons on Soil
Author: E. J. Russell
Release Date: April 10, 2007 [EBook #21022]
Language: English
*** START OF THIS PROJECT GUTENBERG EBOOK LESSONS ON SOIL ***
Produced by Al Haines
LESSONS ON SOIL
BY
E. J. RUSSELL, D.Sc. (Lond.)
GOLDSMITH COMPANY'S SOIL CHEMIST,
ROTHAMSTED EXPERIMENTAL STATION
Cambridge:
at the University Press
1911
[Transcriber's note: Page numbers in this book are indicated by numbers enclosed in curly braces, e.g. {99}. They have been located where page breaks occurred in the original book, in accordance with Project Gutenberg's FAQ-V-99. In the HTML version of this book, page numbers are placed in the left margin.]
PREFACE
The Syndics of the Cambridge University Press propose to issue a Nature Study Series of which this is the first volume.
We count ourselves fortunate in securing Dr E. J. Russell as author and Soil as subject. The subject is fundamental, for, just as the soil lies beneath the plant and animal life we see, so is a knowledge of the soil necessary for all understanding of flora and fauna. The real complexity of the apparently simple element Earth,
and the variety of methods required for exploring it, are typical of the problems which the tout ensemble of the outdoor world presents to the naturalist.
Dr E. J. Russell has not only acquired a first-rate and first-hand knowledge of his subject at Wye and at Rothamsted; his own researches have recently extended our knowledge of the micro-organisms in the soil and their influence on fertility. Further, what is very much to our purpose, he has himself had practical experience in teaching at an elementary school in Wye and at a secondary school in Harpenden.
Just at the present moment, County Councils are trying to push rural education and to awaken the intelligence of country children by interesting them in their surroundings. It is, therefore, a favourable opportunity to offer these pages as a concrete suggestion in model lessons and object lessons, showing exactly what can be done under existing conditions.
The book is intended to help children to study nature; there is no attempt to substitute book study for nature study. Hence, whilst there are passages of continuous reading, it is not a mere reader.
Many teachers, myself among them, have felt the difficulty of organising practical work for large classes. Dr Russell has written so that, whilst nominally showing the pupil how to learn, he is secretly scattering hints for the teacher who is learning how to teach.
Abundant and varied practical exercises have been suggested, and careful instructions have been given so that the book shall seem intelligible even in the absence of a teacher. The proposed practical work is not only what might be done by eager boys and girls on half-holidays, but what can be done by every scholar in the course of ordinary school work. The pictorial illustrations are intended as aids to observation, not as substitutes. Drawing is one form of practical exercise, and the preparation of corresponding illustrations in the scholars' notebooks from the apparatus used in the classroom and the fields around the school may afford exercises in artistic work with pen, brush or camera.
Sufficient directions are given for the supply of necessary materials and apparatus. The apparatus proposed is of the simplest character.
It is suggested that the book will be found most useful in the higher standards of elementary schools, in preparatory schools and in the lower forms of secondary schools, that is, where the ages of scholars average from 12 to 14.
HUGH RICHARDSON
YORK, 7 January 1911
CONTENTS
[Transcriber's note: The page numbers below are those in the original book. However, in this e-book, to avoid the splitting of paragraphs, the illustrations may have been moved to the page preceding or following.]
LIST OF ILLUSTRATIONS
The photographs of the pot experiments are by Mr Lionel Armstrong.
INTRODUCTION
The following pages contain the substance of lessons given at the village school at Wye to the 4th, 5th, 6th and 7th standards (mixed) and at St George's School, Harpenden, to the 3rd form. There is, however, an important difference between the actual lessons and the book. The lessons had reference to the soils round about the village, and dealt mainly with local phenomena, general conclusions being only sparingly drawn; while in the book it has been necessary to throw the course into a more generalised form. The teacher in using the book will have to reverse the process, he must find local illustrations and make liberal use of them during the course; it is hoped that the information given will help him over any difficulties he may experience.
This necessity for