Transcriber's Note:
Minor typographical errors have been corrected without note. Dialect spellings, contractions and discrepancies have been retained.
CROPS AND METHODS FOR SOIL IMPROVEMENT
THE MACMILLAN COMPANY
NEW YORK · BOSTON · CHICAGO
DALLAS · SAN FRANCISCO
MACMILLAN & CO.,Limited
LONDON · BOMBAY · CALCUTTA
MELBOURNE
THE MACMILLAN CO. OF CANADA,Ltd.
TORONTO
Alfalfa and Corn in Indiana.
CROPS AND
METHODS FOR SOIL
IMPROVEMENT
By
ALVA AGEE, M.S.
HEAD OF DEPARTMENT OF AGRICULTURAL EXTENSION
ACTING DEAN AND DIRECTOR OF THE SCHOOL OF
AGRICULTURE AND EXPERIMENT STATION OF
THE PENNSYLVANIA STATE COLLEGE
ILLUSTRATED
New York
THE MACMILLAN COMPANY 1912
All rights reserved
Copyright, 1912,
ByTHE MACMILLAN COMPANY.
Set up and electrotyped. Published November, 1912.
Norwood Press
J. S. Cushing Co.—Berwick & Smith Co.
Norwood, Mass., U.S.A.
CONTENTS
CHAPTER I
| Pages | |
| Introduction | 1-11 |
| In lieu of preface | 1 |
| Natural strength of land | 2 |
| Plant constituents | 2 |
| Organic matter | 4 |
| Drainage | 6 |
| Lime | 7 |
| Crop-rotation | 8 |
| Fertilizers | 9 |
| Tillage | 10 |
| Control of soil moisture | 11 |
CHAPTER II
| The Need of Lime | 12-22 |
| The unproductive farm | 12 |
| Soil acidity | 13 |
| The rational use of lime | 14 |
| Where clover is not wanted | 16 |
| Determining lime requirement | 17 |
| The litmus-paper test | 19 |
| A practical test | 20 | ...