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Xanthorrhoea (/ z æ n θ oʊ ˈ r iː ə / [2]) is a genus of about 30 species of succulent flowering plants in the family Asphodelaceae.They are endemic to Australia. Common names for the plants include grasstree, grass gum-tree (for resin-yielding species), kangaroo tail, balga (Western Australia), yakka (South Australia), yamina (), and black boy (or "blackboy").
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]
A geophyte (earth+plant) is a plant with an underground storage organ including true bulbs, corms, tubers, tuberous roots, enlarged hypocotyls, and rhizomes. Most plants with underground stems are geophytes but not all plants that are geophytes have underground stems. Geophytes are often physiologically active even when they lack leaves.
' underground '; from Ancient Greek ὑπό (hupó) 'under' and γῆ (gê) 'earth') [1] are biological terms describing an organism's activity below the soil surface. In botany , a seed is described as showing hypogeal germination when the cotyledons of the germinating seed remain non-photosynthetic , inside the seed shell, and below ground. [ 2 ]
Star jelly (also called astromyxin, astral jelly) is a gelatinous substance sometimes found on grass and less commonly on the branches of trees. [1] According to folklore, it is deposited on the Earth during meteor showers. It is described as a translucent or grayish-white gelatin that tends to evaporate shortly after having "fallen".
Plants with underground rhizomes include gingers, bamboo, snake plant, the Venus flytrap, Chinese lantern, western poison-oak, [13] hops, and Alstroemeria, and some grasses, such as Johnson grass, Bermuda grass, and purple nut sedge. Rhizomes generally form a single layer, but in giant horsetails, can be multi-tiered. [14]
Opinion by Marek Warszawski: “The station’s rain gutters on all three floors have grass and weeds growing out of them.”
No-till farming (also known as zero tillage or direct drilling) is an agricultural technique for growing crops or pasture without disturbing the soil through tillage. No-till farming decreases the amount of soil erosion tillage causes in certain soils, especially in sandy and dry soils on sloping terrain.