...For example, rice plants take up large amounts of silicon (Si), and it is believed that in this case Si plays an important role in the growth of the rice. The three elements C, H, and O are mainly taken from water (H 2 O) and carbon dioxide (CO 2) and oxygen (O 2) in the air, but the other elements are taken from salts in the soil, and are called nutrient salts. Nutrient salts are taken up by aquatic plants through the surface of the plant, and by land plants through the roots. ... *Some of the terminology that refers to "nutritional salts (nutrients)" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…例えば,イネではケイ素Siが多量に取り込まれるが,この場合はSiがイネの生育に有効な働きをしていると考えられている。 C,H,Oの3元素は,主として水H2Oおよび空気中の二酸化炭素CO2と酸素O2から取られるが,それ以外の元素は土壌中の塩から取られるので,それらを栄養塩類と呼ぶ。栄養塩類は,水生植物では体表面から,陸上植物では根から取り込まれる。… ※「栄養塩類(栄養素)」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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