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
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, By THE 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 Duration of effect 21