The book The Control of Damping-Off Coniferous Seedlings was written by author Hartley, Carl Pierce, 1887- [from Old Catalog] Here you can read free online of The Control of Damping-Off Coniferous Seedlings book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Control of Damping-Off Coniferous Seedlings a good or bad book?
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This throws doubt on the reliability of the results on the other plats and indicates that only repeated tests, each with plenty of untreated plats for abundant comparison, are reliable enough to be used as a basis for conclusions. At several of the nurseries mentioned above other soil treatments were tried with success. At Glen view. 111., where acid failed, copper- sulphate treatment resulted in doubling the final stand. The good results obtained on otherwise untreated soil at Dundee, lU., by ...the addition of cane sugar were rather surprising; indications of damp- ing-off control by sugar were also observed at Garden City, Kans., East Tawas, Mich., and Providence, K. I. Further tests are required. At East Tawas, a test of acid in an unfavorable season did not give as good results as desired, while formaldehyde resulted in a doubled stand. DAMPING-OFF OF CONIFEROUS SEEDLINGS. 13 RESULTS OF SOIL DISINFECTION IN GREENHOUSE TESTS. In the greenhouses of the Department of Agriculture at Washing- ton, D.
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