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In order to create the best artificial climate suitable for plant growth and to meet the requirements for energy saving, environmental protection and economic operating costs, this article designs an energy-saving sunlight greenhouse with underground drip irrigation and heat. Combining the greenhouse underground heat storage system with warm water irrigation technology can effectively realizes the goal of collecting solar energy during the day and releasing it at night. After the actual calculation, a heating season can save cool for 5428kg/500m and reduce carbon dioxide emissions about 13533kg/500m. From the perspective of energy saving and environmental protection, energy-saving sunlight greenhouse with underground drip irrigation and heat will create an effective way for greenhouse warming in winter. Background and Significance Nowadays, non-heating greenhouse is widely used in China. However, this system can’t make vegetables grow safely during the winter due to the low temperature. Therefore, some greenhouses use coal as energy supply, but it will lead to energy consumption, high cost and low utilization. In summary, current greenhouse is either too cold in winter, or too polluted for environment. Meanwhile, traditional greenhouse has low utilization for light, temperature and energy, which doesn’t meet the requirements for agricultural sustainable development. In order to create the best suitable climate for plant growth and meet the requirements for energy saving, environmental protection and economic operating costs, researching how to make full use of solar energy for greenhouse production has attracted the world's attention. Thus, we develop an energy-saving sunlight greenhouse with underground drip irrigation and heat. This system effectively collects solar energy during the day and releases heat at night. It can meet the requirement for crop growth in winter without artificial warming, which effectively improves the utilization of greenhouse energy and achieves energy conservation.

Application Prospect Analysis of Energy-saving Sunlight Greenhouse with Underground Drip Irrigation and Heat