The book The Use of Lime And Gypsum On California Soils was written by author C B Charles Bernard Lipman Here you can read free online of The Use of Lime And Gypsum On California Soils book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Use of Lime And Gypsum On California Soils a good or bad book?
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) Do not touch the moistened litmus paper with the fingers if possible. Set the broken surfaces of earth together again and press tightly. Perform the same test with another ball of earth, but use blue instead of red litmus paper. Allow the balls of earth to lie undisturbed for half an hour; then open, and if the red litmus paper has turned blue no lime is needed. If it remains red, and the blue litmus paper turns red, lime is needed and should be applied as above directed. If neither the red n...or the blue litmus paper should change color during half an hour or more, then the reaction of the soil is neutral and small applications of ground limestone, not to exceed one ton per acre, will be sufficient. WHEN AND HOW GYPSUM MAY BE USED Gypsum may be used to good advantage on alfalfa fields to stim- ulate the growth of the plants. This is especially to be remembered in connection with alfalfa fields of several years' standing in which "bald" spots or bare patches are found. An application of gypsum in such cases, not to exceed 300 or 400 pounds to the acre, along with fall disking will give striking stimulation to the plants and rejuvenate the field.
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