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Excerpt from Agricultural Ground Limestone, 1917-18, Vol. 13 1. What is agricultural ground limestone? 2. Does limestone increase crop yields? 3. Why does limestone increase crop yields? 4. Why do soils become acid? 5. Does manure make the soil acid? 6. Do commercial fertilizers make the soil acid? 7. How may I know whether my soil needs limestone? 8. Is limestone as good as other forms of lime? 9. How can the neutralizing value of limestone be determined? 10. Is magnesium in limestone objectionable? 11. How fine should limestone be ground? 12. Are limestone crushers practicable for farm use? 13. Is marl as valuable as limestone? 14. How much limestone should be applied per acre? 15. When should limestone be applied? 16. Can limestone be mixed with manure and commercial fertilizers? 17. Will limestone take the place of commercial fertilizers? 18. What can be done if limestone cannot be obtained economically? Ohio Agricultural Experiment Station Chas. E. Thorne, Director Wooster, Ohio. This bulletin has been carefully examined and its statements compared with the original records at the Ohio Agricultural Experiment Station, and I believe that the statements contained therein are fully justified. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.

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