How Crops Grow a Treatise On the Chemical Composition Structure And Life of Th
How Crops Grow a Treatise On the Chemical Composition Structure And Life of Th
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In our eReader you can find the full English version of the book. Read How Crops Grow a Treatise On the Chemical Composition Structure And Life of Th Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book How Crops Grow a Treatise On the Chemical Composition Structure And Life of Th
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151. ) The formation of air-roots may be very easily observed by placing water to the depth of half an inch in a tall VEGETATIVE OBGAtfS OF PLANTS.
vial, inserting a sprig of the common greenhouse-plant Tradescantia zebrina, so that the cut end of the stem shall stand in the water, and finally corking the vial air- tight. The plant, which is very tenacious of life, and usually grows well in spite of all neglect, is not checked in its vegetative development by the treatment just de- scribed, but... immediately begins to adapt itself to its new circumstances. In a few days, if the temperature be 70 or thereabout, air -roots will be seen to issue from the joints of the stem. These are fringed with a profu- sion of delicate hairs, and rapidly extend to a length of from one to two inches. The lower ones, if they chance Fig. 44.
to penetrate the water, become discolored and decay ; th& others, however, remain for a long time fresh, and of a white color.
Some plants have roots which are equally able to exist and perform their functions, whether in the soil or sub- 276 HOW CROPS GROW.
What to read after How Crops Grow a Treatise On the Chemical Composition Structure And Life of Th?
You can find similar books in the "Read Also" column, or choose other free books by Samuel W Samuel William Johnson to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
151. ) The formation of air-roots may be very easily observed by placing water to the depth of half an inch in a tall VEGETATIVE OBGAtfS OF PLANTS.
vial, inserting a sprig of the common greenhouse-plant Tradescantia zebrina, so that the cut end of the stem shall stand in the water, and finally corking the vial air- tight. The plant, which is very tenacious of life, and usually grows well in spite of all neglect, is not checked in its vegetative development by the treatment just de- scribed, but... immediately begins to adapt itself to its new circumstances. In a few days, if the temperature be 70 or thereabout, air -roots will be seen to issue from the joints of the stem. These are fringed with a profu- sion of delicate hairs, and rapidly extend to a length of from one to two inches. The lower ones, if they chance Fig. 44.
to penetrate the water, become discolored and decay ; th& others, however, remain for a long time fresh, and of a white color.
Some plants have roots which are equally able to exist and perform their functions, whether in the soil or sub- 276 HOW CROPS GROW.
What to read after How Crops Grow a Treatise On the Chemical Composition Structure And Life of Th?
You can find similar books in the "Read Also" column, or choose other free books by Samuel W Samuel William Johnson to read onlineMoreLess
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