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bottom heat

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noun Horticulture.
  1. heat artificially applied to a container in which plants are grown in order to induce their germination, rooting, or growth.

Origin of bottom heat

First recorded in 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for bottom heat

Historical Examples

  • It grows well in peat and loam, and is increased by seed or by cuttings of the young shoots in spring in bottom-heat.

    Gardening for the Million

    Alfred Pink

  • It requires to be grown in loam and peat, and may be increased by cuttings planted in sand, under glass, in a bottom-heat.

  • Cuttings of the young wood planted in sand, and having a bottom-heat, will strike.

  • Place them in a frame with bottom-heat, and water and syringe them moderately while they are growing.

  • It is generally budded on an orange or lemon tree and plunged in a bottom-heat.