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In spite of its high water content, traditionally grown lettuce has a low water footprint, with 237 liters (52 imp gal; 63 U.S. gal) of water required for each kilogram of lettuce produced. [35] Hydroponic growing methods can reduce this water consumption by nearly two orders of magnitude.
"Most of the content of the lettuce is water," Pasquariello says. Besides H2O, consuming this much iceberg lettuce will net you about: 14 calories >1 gram of protein >1 gram of fat. 3 grams of ...
Iceberg Lettuce. Water content: 96%. Great news for wedge salad lovers: This salad green is loaded with water—roughly 96 percent by weight, according to UCLA Health. If iceberg isn’t your bag ...
Pistia is a genus of aquatic plants in the arum family, Araceae. It is the sole genus in the tribe Pistieae which reflects its systematic isolation within the family. [5] The single species it comprises, Pistia stratiotes, is often called water cabbage, water lettuce, Nile cabbage, or shellflower. Its native distribution is uncertain but is ...
An example of deep water culture in lettuce production. Deep water culture (DWC) is a hydroponic method of plant production by means of suspending the plant roots in a solution of nutrient-rich, oxygenated water. Also known as deep flow technique (DFT), floating raft technology (FRT), or raceway, this method uses a rectangular tank less than ...
Lactucarium is the milky fluid secreted by several species of lettuce, especially Lactuca virosa, usually from the base of the stems. It is known as lettuce opium because of its sedative and analgesic properties. It has also been reported to promote a mild sensation of euphoria. [1][2] Because it is a latex, lactucarium physically resembles ...
Valerianella locusta illustration by Thomé (1885) showing the plant, flower, and seed. Valeriana locusta, [1] commonly called mâche, cornsalad, or lamb's lettuce, a small, herbaceous, annual flowering plant in the honeysuckle family Caprifoliaceae. It is native to Europe, western Asia and north Africa, where it is eaten as a leaf vegetable.
Vermiculite holds more water than perlite and has a natural "wicking" property that can draw water and nutrients in a passive hydroponic system. If too much water and not enough air surrounds the plants roots, it is possible to gradually lower the medium's water-retention capability by mixing in increasing quantities of perlite.