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  2. Pistia - Wikipedia

    en.wikipedia.org/wiki/Pistia

    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 ...

  3. Kratky method - Wikipedia

    en.wikipedia.org/wiki/Kratky_method

    Kratky method. The Kratky method is a passive hydroponic technique for growing plants suspended above a reservoir of nutrient-rich water. [1] Because it is a non-circulating technique, no additional inputs of water or nutrients are needed after the original application, and no electricity, pumps, or water and oxygen circulation systems are ...

  4. Algaculture - Wikipedia

    en.wikipedia.org/wiki/Algaculture

    Dulse is one of many edible algae. Algaculture may become an important part of a healthy and sustainable food system [9]. Several species of algae are raised for food. While algae have qualities of a sustainable food source, "producing highly digestible proteins, lipids, and carbohydrates, and are rich in essential fatty acids, vitamins, and minerals" and e.g. having a high protein ...

  5. They turned 4 Los Angeles yards into low-water mini-farms ...

    www.aol.com/news/turned-4-los-angeles-yards...

    Huarache Farms uses low-water systems to grow lettuce and vegetables across four L.A. yards. Founder Mike Wood dreams of even more small-scale farming.

  6. Lettuce - Wikipedia

    en.wikipedia.org/wiki/Lettuce

    L. scariola var. integrifolia (G.Beck) Lettuce (Lactuca sativa) is an annual plant of the family Asteraceae. It is most often grown as a leaf vegetable, but sometimes for its stem and seeds. Lettuce is most often used for salads, although it is also seen in other kinds of food, such as soups, sandwiches and wraps; it can also be grilled. [3]

  7. Hydroponics - Wikipedia

    en.wikipedia.org/wiki/Hydroponics

    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).

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