Solar soil-less cultivation drop irrigation system and control method thereof

Abstract

The invention relates to a solar soil-les cultivation drop irrigation system and a control method. Solar generated electric power is used as the energy, a liquid storage pond and inorganic matrix bags are arranged inside a vinyl house, and an anti-seepage ditch is respectively arranged below each inorganic matrix bag and is communicated with a backflow grooved tube and the liquid storage pond. A black plastic dripping pipeline is respectively arranged at two sides of the inorganic matrix bag, a dripping nozzle is plugged into each inorganic matrix bag, a plurality of humidity sensors are additionally installed inside the inorganic matrix bags, when the humidity of the inorganic matrix bag reaches to a lower limit value, data detected by the humidity sensors are transmitted into a single chip processor through an analog / digital (A / D) converter, a single chip sends out an order to start an electromagnetic switch according to the data, an electric pump on the liquid storage pond is started to pump nutritional liquid in the pond into the dripping pipelines, and then the nutritional liquid is automatically dripped and irrigated to the roots of plants through the dripping nozzles in the inorganic matrix bags; and otherwise, the drop irrigation is stopped. Due to the adoption of the solar soil-less cultivation drop irrigation system and the control method, land can be saved, energy can be saved, the production cost can be reduced, and the characteristics such as energy conservation, environmental protection and no pollution can be realized.

Description

technical field [0001] The invention relates to the technical field of soilless cultivation in agricultural greenhouses, in particular to a drip irrigation system utilizing solar energy for soilless cultivation and a control method thereof. Background technique [0002] The development of my country's facility agriculture has opened up a new world for the application of soilless cultivation technology. Since the reform and opening up, with the continuous development of the economy, the continuous improvement of people's living standards and the development of urban and rural "vegetable basket projects", the demand for high-quality vegetables is increasing. Therefore, the area under protected cultivation of vegetables and other economic crops is expanding rapidly. The development of covered cultivation in plastic greenhouses has created conditions for high-quality, early-maturing, high-yield and off-season cultivation in different regions and seasons for horticultural crops ...

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Problems solved by technology

[0003] However, due to the limitations of fixed facilities such as greenhouses and the high benefits of covered cultivation in greenhouses, it is very difficult to implement scientific crop rotation with multiple crops.

As a result of long-term continuous cropping, soil-borne diseases and insect pests are becoming more and more serious, forming "continuous cropping obstacles in protected cultivation", which affects the further development of protected cultivation; Environmental pollution, especially soil pollution, brought along with industrial development has brought great difficulties to the production of high-grade, pollution-free vegetables, and soilless cultivation in gardening facilities such as greenhouses, on the one hand, can be used on land that is not suitable for cultivation, such as Barren hills, beaches and places with serious soil pollution to avoid and overcome soil continuous cropping obstacles

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