GREENHOUSE TYPE BASED ON UTILITY

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Classification of greenhouses can be made depending on the functions or utilities. Of the different utilities, artificial cooling and heating of the greenhouse are more expensive and elaborate. Hence based on the artificial cooling and heating, greenhouses are classified as green houses for active heating and active cooling system.

Greenhouses for active heating

During the night time, air temperature inside greenhouse decreases. To avoid the cold bite to plants due to freezing, some amount of heat has to be supplied. The requirements for heating greenhouse depend on the rate at which the heat is lost to the outside environment. Various methods are adopted to reduce the heat losses, viz., using double layer polyethylene, thermo pane glasses (Two layers of factory sealed glass with dead air space) or to use heating systems, such as unit heaters, central heat, radiant heat and solar heating system.

Greenhouses for active cooling

During summer season, it is desirable to reduce the temperatures of greenhouse than the ambient temperatures, for effective crop growth. Hence suitable modifications are made in the greenhouse so that large volumes of cooled air is drawn into greenhouse, This type of greenhouse either consists of evaporative cooling pad with fan or fog cooling. This greenhouse is designed in such a way that it permits a roof opening of 40% and in some cases nearly 100%.

Comments

  1. singhalglobal2 April 2025 at 23:51

    Greenhouse film is an essential covering material that enhances plant growth by creating a controlled environment. Made from high-quality polyethylene, it protects crops from harsh weather, UV rays, and pests while maintaining optimal temperature and humidity. Its light diffusion properties improve photosynthesis, ensuring healthier and faster plant development. Available in various thicknesses and UV stabilizations, it extends the Greenhouse Film Exporters in Gujarat growing season and boosts agricultural productivity. Durable, flexible, and easy to install, it is widely used in commercial farming and home gardening, making it a vital component of modern greenhouse systems.

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