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  2. Greenhouse - Wikipedia

    en.wikipedia.org/wiki/Greenhouse

    The terms greenhouse, glasshouse, and hothouse are often used interchangeably to refer to buildings used for cultivating plants. The specific term used depends on the material and heating system used in the building. Nowadays, greenhouses are more commonly constructed with a variety of materials, such as wood and polyethylene plastic. [2]

  3. Low-density polyethylene - Wikipedia

    en.wikipedia.org/wiki/Low-density_polyethylene

    LDPE has SPI resin ID code 4 Schematic of LDPE branching structure. Low-density polyethylene (LDPE) is a thermoplastic made from the monomer ethylene.It was the first grade of polyethylene, produced in 1933 by Dr John C. Swallow and M.W Perrin who were working for Imperial Chemical Industries (ICI) using a high pressure process via free radical polymerization. [1]

  4. Cold frame - Wikipedia

    en.wikipedia.org/wiki/Cold_frame

    A traditional homemade cold frame. In agriculture and gardening, a cold frame is a transparent -roofed enclosure, built low to the ground, used to protect plants from adverse weather, primarily excessive cold or wet. The transparent top admits sunlight and prevents heat escape via convection that would otherwise occur, particularly at night.

  5. This Walk-in Greenhouse Is Under $75 on Amazon - AOL

    www.aol.com/walk-greenhouse-under-90-amazon...

    The retailer sells a bevy of durable standalone greenhouses, including options for just $75 (gasp!). The Home-Complete Walk-in Greenhouse currently retails for $89.95, but it's on sale right now ...

  6. Plant propagation - Wikipedia

    en.wikipedia.org/wiki/Plant_propagation

    Plant propagation is the process by which new plants grow from various sources, including seeds, cuttings, and other plant parts. Plant propagation can refer to both man-made and natural processes. Propagation typically occurs as a step in the overall cycle of plant growth. For seeds, it happens after ripening and dispersal; for vegetative ...

  7. Plastic recycling - Wikipedia

    en.wikipedia.org/wiki/Plastic_recycling

    Plastic recycling is the processing of plastic waste into other products. [1][2][3] Recycling can reduce dependence on landfill, conserve resources and protect the environment from plastic pollution and greenhouse gas emissions. [4][5] Recycling rates lag behind those of other recoverable materials, such as aluminium, glass and paper.

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