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from article Plant-water relations
Water transport system in plants. The xylem (the principal water-conducting tissue) is continuous from the roots through the stem to the leaves. (Copyright © McGraw-Hill Education)
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from article Plant-water relations
Relationship of water and turgor pressure in plants: (a) the plant cells in a wilted plant need water; (b) after water enters the plant, the plant cells become turgid. (Copyright © McGraw-Hill Education)
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from article Plant-water relations
Light-microscope view of a stoma on a plant cell. (Credit: Bumbim/Stockimo/Alamy Stock Photo)
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from article Plant-water relations
Daily periodicity of transpiration of alfalfa on three successive days with adequate light, temperature, and soil water conditions. (Copyright © McGraw-Hill Education)
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from article Plant-water relations
Colored scanning electron micrograph (SEM) of a section through wood showing the phloem vessels (dark green holes) and xylem tissue (lower frame). (Credit: Steve Gschmeissner/SPL/Getty Images)
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from article Plant communication
Hillsides in central California covered by hard chaparral composed almost entirely of chemise shrubs. Chemise (also spelled chamise) produces allelopathic chemicals that, through plant communication, inhibit the germination of seeds and the…
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from article Greenhouse
A greenhouse is a transparent, enclosed, climate-controlled structure in which young, tender, or out-of-season plants are cultivated and protected. (Credit: Antema/Getty Images)
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from article Greenhouse
Common commercial greenhouse shapes are the hoop, arch, and gable.
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from article Greenhouse
Interior of an agricultural high tunnel. Long rows of fresh green lettuce are being cultivated. (Credit: Photology1971/Shutterstock)
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from article Greenhouse
Modern greenhouses utilize computerized technologies to control and regulate various environmental parameters, including air temperature, air movement, carbon dioxide concentration, relative humidity, and supplemental light. (Credit:…
