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World Use of Hangar Greenhouses.

The most common in Germany, the Netherlands and the U.S. are hangar greenhouses of reinforced concrete structure. The length of these greenhouses is up to 150 m, width 30 m and height is 9 m. In the hangar greenhouse the horse and mechanical handling of the soil is possible.

Hangar greenhouses - are a kind of greenhouses for big farms. In the hangar greenhouses it is possible to carry a maximum mechanization of production. They are most efficient relative to light regime. Plants enjoy the great flow of light; the remoteness of plants from the greenhouse roof and side walls does not hinder at all.

Hangar greenhouses fit for the culture of gillyflowers, long-term culture of roses, etc.. The size of hangar greenhouses in Germany reaches 400 - 1 000 sq. km. m, in the Netherlands - 1500 - 2000 square meters, and in some cases - 0.5 hectare or more.

By its function the greenhouses are also divided into three basic types: 1) exploratory greenhouses applied for vegetative and generative reproduction, 2) race greenhouses forcing (the forced culture of plants), 3) for the cultivation of plants.

In practice, people often arrange greenhouses with multiple compartments that maintain different temperatures, depending on the requirements of a particular culture.

The simplest type of exploratory greenhouses is an earthen or dungy greenhouse, dropped to the ground at a depth of 1 m, with or without deepening.

This greenhouse has a glass of the garden frame. Warming stuff is manure, garbage. Stuffing of greenhouses and preparing the soil for sowing seeds or rooting cuttings in the earth greenhouse is done in the same way as in the seedbed, from which this greenhouse is not much different.

Another example of more perfect exploratory greenhouses are small, low greenhouses, which on the one side along the length of the greenhouse has the pass, and on the other side an exploration box is made, under which heating (hog or pipes) takes place.

Article Source: GardenGap.com

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