The Effect of Transpiration On the Absorption of Salts By Plants
The book The Effect of Transpiration On the Absorption of Salts By Plants was written by author Muenscher, Walter Conrad Leopold, 1891-1963 Here you can read free online of The Effect of Transpiration On the Absorption of Salts By Plants book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Effect of Transpiration On the Absorption of Salts By Plants a good or bad book?
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. . Water used per gram dry matter (cc.) Water used per gram ash con- tent (cc.) 6.5 .60 •125 1.92 20.7 2.2 .11 .022 1. 00 20.02 25 8.7 •71 .147 1.69 20.63 350 492.96 2,380.95 7.206 •5854 .116 I.6I 19-63 2.067 .1068 .019 .90 18.07 25 9.270 .6922 ■135 1.46 19-54 170 245-59 1,259-25 The data show that by increasing the atmospheric humidity the quan- tity of water transpired was reduced from 350 cubic centimeters to 170 cubic centimeters per culture for the period of five weeks. This reduction in ...transpiration also correspondingly reduced the water requirement from 492 to 245. The quantity of water transpired per gram of ash content found in the plants was also reduced to approximately one half when trans- piration was reduced. These data seem to check with those reported by Hasselbring (1914 a), Kiesselbach (1916), McLean (1919), and Curtis (1920), indicating that there is no direct relation between transpira- tion and the ash content in plants. The fact that the absolute quantity or percentage of ash is reduced but slightly when transpiration is reduced to less than one half seems significant evidence against the theory that there is a direct relation between trans- piration and the absorption of salts.
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