Introduction of Controlled Environment Greenhouse

Introduction of Controlled-Environment Greenhouse (CE Greenhouse)

AFCD is now studying the development potentials of various types of Controlled-Environment Greenhouse.

Polyethylene film greenhouse

Polycarbonate sheet greenhouse

Merits of using CE greenhouse

• Crop production in CE greenhouse

  Enclosed operation ; provide favourable conditions for plant growth
• Protect plants from adverse weather, pests and diseases
• Can be used for production all year round, thus improve the crop yield
• Can be fully automated in irrigation, fertilization and spraying etc, thus increase in productivity

Application of CE greenhouse

CE greenhouse is suitable for production of high value premium vegetables and flowers such as This link will open in a new windowsweet pepper, This link will open in a new windowcherry tomato, This link will open in a new windowwhite bitter cucumber, This link will open in a new windowsweet melon, This link will open in a new windowmini cucumber and This link will open in a new windowlily cut flower. The use of CE greenhouse in organic cultivation is beneficial as the plants are more protected from pests, diseases and external pollution.

This link will open in a new windowCherry Tomato production

This link will open in a new windowSweet Pepper production

This link will open in a new windowLily Cut Flower production

This link will open in a new windowWhite Bitter Cucumber production

This link will open in a new windowSweet Melon production

This link will open in a new windowMini Cucumber production

Structure and facilities of CE greenhouse

The framework of CE greenhouse is usually built with rust-proof iron bars and sealed with materials such as polyethylene film or polycarbonate sheet. A CE greenhouse is usually equipped with automatic environmental control system and irrigation system.

CE Greenhouse construction and cost estimation

To construct a greenhouse, This link will open in a new windowapplications should be made to the Lands Department other than getting the landlord's written consent.

The cost of a CE greenhouse depends on the size of the building, the quality grade of the building materials and also the facilities installed. The estimated cost of a CE Greenhouse of 200 m² in area equipped with water wall, cooling fans, drip irrigation system and smart devices is some hundred thousand Hong Kong dollars. For more details, please call the Horticulture Section of the Agriculture, Fisheries and Conservation Department (Tel: 2679 4294).

Controlled Environment Greenhouse Technical Leaflet

Contents

	1.	This link will open in a new windowIntroduction to CE Greenhouses	2.	This link will open in a new windowThe Structure and Facilities of a CE Greenhouse
	3.	This link will open in a new windowInvestment on CE Greenhouses for Agricultural Production	4.	This link will open in a new windowConstruction of a CE Greenhouse
	5.	This link will open in a new windowCrop Production	6.	This link will open in a new windowPests and Diseases in Greenhouses
	7.	This link will open in a new windowSanitation in CE Greenhouses	8.	This link will open in a new windowCE Greenhouse Maintenance