| 单词 | ring culture |
| 释义 | > as lemmasring culture ring culture n. Horticulture the technique of growing plants (esp. tomatoes and chrysanthemums) in a bottomless cylinder containing soil resting on an inert bed, typically of gravel or ash, through which water is provided. ΘΚΠ the world > food and drink > farming > gardening > [noun] > hydroponics aquaculture1887 sand culture1916 drip culture1923 aquaponics1937 hydroponics1937 gravel culture1940 ring culture1953 1953 J. R. Booer in World Crops June 246/1 By the ring culture system, the plant is virtually provided with two root systems, one in the soil in the ring supplying mineral nutrients, and the other much larger system supplying water from the porous, well-aerated medium. 1962 H. G. W. Fogg Chrysanthemum Growing ix. 60 Ring culture, a term which was, I believe, first used as a result of experiments, at Tilgate Horticultural Research Station. 2007 A. Bridgewater & G. Bridgewater Self-Sufficiency Handbk. 78/1 A ring-culture system consists of a plastic-lined trough, trench or bed full of a chemically inert aggregate..with the plants being contained in bottomless pots. < as lemmas |
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