Produced by Steven Giacomelli, Janet Blenkinship and the Online Distributed Proofreading Team at http://www.pgdp.net (This file was produced from images produced by Core Historical Literature in Agriculture (CHLA), Cornell University) Right Use of Lime In Soil Improvement _By_ ALVA AGEE [Illustration: Applying Lime] Secretary New Jersey State Department of Agriculture Formerly director of agricultural extension in the Pennsylvania State College and New Jersey State College of Agriculture. _Illustrated_ NEW YORK ORANGE JUDD COMPANY LONDON KEGAN PAUL, TRENCH, TRUBNER & CO., LIMITED 1919 Copyright 1919, by ORANGE JUDD COMPANY _All Rights Reserved_ Printed in U. S. A. * * * * * CONTENTS CHAPTER PAGE 1. INTRODUCTION 1 2. THE LIME IN SOILS 4 3. SOUR SOILS 10 4. EVIDENCES OF ACIDITY 15 5. TESTS FOR ACIDITY 20 6. SOURCES OF LIME 24 7. DEFINITIONS 28 8. GROUND LIMESTONE 33 9. STORING LIME IN THE SOIL 38 10. FRESH BURNED LIME 44 11. BURNING LIME 49 12. LIME HYDRATE 53 13. OTHER FORMS OF LIME 57 14. MAGNESIAN LIME 64 15. WHAT SHALL ONE BUY? 68 16. METHODS OF APPLICATION 78 17. AMOUNT OF LIME PER ACRE 82 18. SPECIAL CROP DEMANDS 86 ILLUSTRATIONS Applying Lime Frontispiece FACING PAGE I. Clover and Timothy Unfertilized at the Pennsylvania Experiment Station Yielded 2,460 pounds per acre 10 II. Clover and Timothy with Fertilizer alone at the Pennsylvania Experiment Station Yielded 3,900 pounds per acre 11 III. Clover and Timothy with Lime alone at the Pennsylvania Experiment Station Yielded 4,900 pounds per acre 14 IV. Clover and Timothy with Fertilizer and Lime at the Pennsylvania Experiment Station yielded 6,290 pounds per acre 15