 It can always be determined by testing with blue litmus paper, which can be obtained from the druggist. Take some moist earth from a few inches beneath the surface of the ground and press it firmly over a strip of litmus paper. Do not handle the litmus...  Plant Production - Page 158by Ransom Asa Moore, Charles Parker Halligan - 1919 - 428 pagesFull view - About this book
 | Ontario. Legislative Assembly - Ontario - 1913 - 644 pages
...the surface of the ground and press it firmly_ over a strip of litmus paper. Do not handle the latmus paper when the hands are moist as the perspiration...has remained in the soil for ten or fifteen minutes, if it lias changed in color from a blue to a pink or red, the soil is acid, and this acidity should... | |
 | New Jersey. Dept. of Agriculture - Agriculture - 1918 - 190 pages
...moist earth from a few inches beneath the surface of the ground and press it firmly over a strip of litmus paper. Do not handle the litmus paper when...has remained in the soil for ten or fifteen minutes, if it has changed in color from a blue to a pink or red, the soil is acid and this acidity should be... | |
 | University of Wisconsin--Madison. Agricultural Experiment Station - 1915 - 1176 pages
...grow alfalfa. Be careful not to handle the litmus paper while the hands are moist, as the perspiration may cause the paper to show an acid reaction when no acid is present. Another very simple and still more accurate test for determining the acidity of the soil, the lead... | |
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