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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.
Walipini The interior of a walipini. A walipini is an earth-sheltered cold frame. [1] [2] [3] It derives its name from the Aymaran languages. [4]It is similar in concept to the pineapple pit that was used, as the name implies, to cultivate pineapple and other exotic fruits in Victorian era Britain and in the cold plains of pre-revolution Russia.
Greenhouses can range in size from small sheds to industrial-sized buildings and enormous glasshouses. The smallest example is a miniature greenhouse known as a cold frame, typically used at home, whereas large commercial greenhouses are high tech production facilities for vegetables, flowers or fruits. The glass greenhouses are filled with ...
Frame and roof materials include aluminium, PVCu and timber. A conservatory by definition must have more than 50% of its wall surface glazed. Contemporary conservatories use a number of technologies to ensure glass is as energy efficient as possible, ensuring it lets in the maximum light possible while maintaining a steady temperature ...
Beyond season extension, polytunnels are also used to allow cold-hardy crops to overwinter in regions where their hardiness is not quite strong enough for them to survive outdoors. Temperature increases of only 5 to 15 °C (9 to 27 °F) above outdoor ambient, coupled with protection from the drying effect of wind , are enough to let selected ...
Pages in category "Greenhouses" The following 28 pages are in this category, out of 28 total. ... Cold frame; Conservatory (greenhouse) E. Estufa Fria; G. Gardens by ...