Outlines of Plant Life : With Special Reference to Form And Function
The book Outlines of Plant Life : With Special Reference to Form And Function was written by author Charles Reid Barnes Here you can read free online of Outlines of Plant Life : With Special Reference to Form And Function book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Outlines of Plant Life : With Special Reference to Form And Function a good or bad book?
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Others protect themselves against the rain by adjust- ing the direction of their leaves to it so that a heavy, splash- ing rain strikes them at an acute angle. Others, by a move- ment of their leaves as soon as the sky is clouded, avoid injury from heavy rains. The branching of leaves in certain cases may be looked upon as a protection against heavy rain- fall. The snow cover through cold periods is for many plants essential as a protection against low temperatures during the dormant period. Ot...hers have adapted themselves to growing even in the midst of snow, putting forth their leaves and blossoms while still surrounded by melting snow. 332. 5. Soil. — Both the chemical composition and the physical properties of the soil affect plants. The latter are, however, by far the most important. Here, again, the rea- son is to be found in the relation of the physical qualities of soil to the water supply. The water which permeates the soil takes up from it certain substances, and becomes thus a dilute solution of various salts.
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