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  2. Hydroponics - Wikipedia

    en.wikipedia.org/wiki/Hydroponics

    Due to the plants continuous fight against gravity, plants typically mature much more quickly than when grown in soil or other traditional hydroponic growing systems. [55] Because rotary hydroponic systems have a small size, they allow for more plant material to be grown per area of floor space than other traditional hydroponic systems.

  3. Vegetable oils as alternative energy - Wikipedia

    en.wikipedia.org/wiki/Vegetable_oils_as...

    Algae have very high growth rates compared to plants normally used to produce vegetable oil. Algae could potentially produce much more oil per area of land than current farming methods. [26] Producing vegetable oil this way could result in reduced deforestation and less competition for food production land.

  4. Aquaculture of coral - Wikipedia

    en.wikipedia.org/wiki/Aquaculture_of_coral

    Coral reef farming involves extracting a part of a coral colony or free-floating larvae from a reef, and growing them in a nursery until outplanting [5] would be successful. It is commonly referred to as the "gardening method" and has been compared to silviculture as a management practice that mimics natural ecosystems.

  5. Environmental impact of agriculture - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_of...

    Conservation tillage is an alternative tillage method for farming which is more sustainable for the soil and surrounding ecosystem. [81] This is done by allowing the residue of the previous harvest's crops to remain in the soil before tilling for the next crop.

  6. Unilever Explores Algal Oil As a Green Alternative to Palm Oil

    www.aol.com/news/2010-09-08-unilever-solazyme...

    Algal oil can be produced several ways: "Solazyme takes cheap, readily available plant-matter such as prairie grass, sugar cane and corn husks and feeds it in big tanks to single-cell organisms ...

  7. Aquaculture - Wikipedia

    en.wikipedia.org/wiki/Aquaculture

    The decline in wild fish stocks has increased the demand for farmed fish. [22] However, finding alternative sources of protein and oil for fish feed is necessary so the aquaculture industry can grow sustainably; otherwise, it represents a great risk for the over-exploitation of forage fish. [23]

  8. Sustainable agriculture - Wikipedia

    en.wikipedia.org/wiki/Sustainable_agriculture

    Ecological farming is a concept that focused on the environmental aspects of sustainable agriculture. Ecological farming includes all methods, including organic, which regenerate ecosystem services like: prevention of soil erosion, water infiltration and retention, carbon sequestration in the form of humus, and increased biodiversity. [137]

  9. Ostrich farming in North America - Wikipedia

    en.wikipedia.org/wiki/Ostrich_Farming_in_North...

    Ostrich farming in North America refers to the practice of breeding, raising, and managing ostriches for their meat, feathers, leather, oil, and other byproducts. [1] While ostriches are native to Africa , their farming has become increasingly popular in North America due to the demand for alternative and sustainable meat sources, as well as ...