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The Lunar greenhouse is an underground farm made by Phil Sadles and Gene Giacomelli of the University of Arizona's Controlled Environment Agriculture Center (CEAC) [4] [5] The urine and exhaled air of the astronauts is reused in the system by the plants. [6] GreenForges is a Canadian startup developing underground farming systems. [7] [8] [9]
Underground stems are modified plant parts that derive from stem tissue but exist under the soil surface. [1] They function as storage tissues for food and nutrients, facilitate the propagation of new clones, and aid in perennation (survival from one growing season to the next). [ 2 ]
In gardening, a "bulb" is a plant's underground or ground-level storage organ that can be dried, stored, and sold in this state, and then planted to grow again. Many bulbs in this sense are produced by geophytes – plants whose growing point is below ground level. However, not all bulbs in the gardening sense are produced by geophytes.
Gardening: Air plants don't require soil to grow, but our expert offers tips for nurturing these low-maintenance plants.
Top-fed deep water culture is a technique involving delivering highly oxygenated nutrient solution direct to the root zone of plants. While deep water culture involves the plant roots hanging down into a reservoir of nutrient solution, in top-fed deep water culture the solution is pumped from the reservoir up to the roots (top feeding).
The best outdoor patio plants are low-maintenance and thrive in containers, window boxes, or hanging baskets. That’s right—there’s no need for in-ground gardening. That’s right—there’s ...
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