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  2. Grow light - Wikipedia

    en.wikipedia.org/wiki/Grow_light

    Ficus plant grown under a white LED grow light. A grow light is an electric light that can help plants grow. Grow lights either attempt to provide a light spectrum similar to that of the sun, or to provide a spectrum that is more tailored to the needs of the plants being cultivated (typically a varying combination of red and blue light, which generally appears pink to purple to the human eye).

  3. The Best Plants To Overwinter, According To An Expert - AOL

    www.aol.com/lifestyle/best-plants-overwinter...

    Also, avoid placing any plant in front of drafty windows or heating vents, says Hancock. Finally, inspect every plant for pests before bringing them indoors. Outdoors, pests are kept in check by ...

  4. Cold frame - Wikipedia

    en.wikipedia.org/wiki/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. Tips to keep your lawn and plants green and thriving during ...

    www.aol.com/tips-keep-lawn-plants-green...

    Here are a few recommendations on protecting your yard during a heat wave.

  6. Air preheater - Wikipedia

    en.wikipedia.org/wiki/Air_preheater

    The purpose of the air preheater is to recover the heat from the boiler flue gas which increases the thermal efficiency of the boiler by reducing the useful heat lost in the flue gas. As a consequence, the flue gases are also conveyed to the flue gas stack (or chimney ) at a lower temperature, allowing simplified design of the conveyance system ...

  7. Effect of Sun angle on climate - Wikipedia

    en.wikipedia.org/wiki/Effect_of_Sun_angle_on_climate

    For example, with an axial tilt is 23°, and at a latitude of 45°, then the summer's peak sun angle is 68° (giving sin(68°) = 93% insolation at the surface), while winter's least sun angle is 22° (giving sin(22°) = 37% insolation at the surface). Thus, the greater the axial tilt, the stronger the seasons' variations at a given latitude.

  8. These Heat-Loving Plants Will Still Bloom During the ... - AOL

    www.aol.com/lifestyle/heat-loving-plants-still...

    Here are the flowers and plants that can handle the heat, including annuals and perennials. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ways to ...

  9. Heatball - Wikipedia

    en.wikipedia.org/wiki/Heatball

    Heatball is a brand name for an incandescent lamp. The brand was used as part of a scheme by Siegfried Rotthäuser, a mechanical engineer from Essen in Germany, to stimulate discussion of EU Regulation 244/2009. [ 1 ]

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