Roots Are a Plants Link to the Underground Environment

Life is not possible without water, and most plants get water by absorbing it through their roots. (In chapter 9, you learn how water gets into and up a plant.) Some plants live their entire existence aboveground—roots and all—but recall from chapter 2 that most plants live in two worlds at the same time, aboveground and belowground. Most roots are adapted to the dark, relatively moist, and mineral-rich underground world. Roots, however, represent only part of the whole plant, and the aboveground shoot depends on roots for its supply of water and minerals. The shoot uses these supplies to make sugar and other organic molecules that are sent to the root, which then uses these molecules to grow and collect more water and minerals.

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Growing Soilless

Growing Soilless

This is an easy-to-follow, step-by-step guide to growing organic, healthy vegetable, herbs and house plants without soil. Clearly illustrated with black and white line drawings, the book covers every aspect of home hydroponic gardening.

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