Crop soilless culture system and method

A technology of soilless cultivation and cultivation method, applied in soilless cultivation, botanical equipment and methods, cultivation and other directions, can solve the problems of large electric energy consumption, increase production cost and the like, achieve low cost, increase volume, overcome dissolved oxygen content and the like reduced effect

Inactive Publication Date: 2020-12-01
BEIJING RES CENT OF INTELLIGENT EQUIP FOR AGRI
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  • Application Information

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Problems solved by technology

[0005] The embodiment of the present invention provides a soilless cultivation system and method for crops, which is used to solve the existing soilless cultivation technology based on external equipment to increase the dissolved oxygen content in the nutrient solution, which consumes a large amount of electric energy and increases the production cost.

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  • Crop soilless culture system and method
  • Crop soilless culture system and method

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Embodiment Construction

[0022] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0023] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected...

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Abstract

The embodiment of the invention provides a crop soilless culture system and method, and the system comprises a cultivation tank which is used for containing and supplying a nutrient solution needed bythe growth of a crop; a dissolved oxygen collecting device used for collecting the dissolved oxygen content of the nutrient solution; and a liquid level adjusting device connected with the cultivation tank and used for controlling the liquid level of the nutrient solution in the cultivation tank to be maintained at different preset heights based on the dissolved oxygen content and switching between the different preset heights at preset time intervals. The system is simple in structure and low in cost; different nutrition absorption and metabolism functions can be given to crop roots on the basis of adjustment of the liquid level of a nutrient solution, normal absorption of water, fertilizer and oxygen by the crop roots is ensured, the annual output rate of soilless culture of crops is greatly increased, high-quality and high-efficiency production of the crops is achieved, and the soilless culture method is particularly suitable for soilless culture of green vegetables.

Description

technical field [0001] The invention relates to the technical field of soilless cultivation, in particular to a soilless cultivation system and method for crops. Background technique [0002] Green leafy vegetables are fast-growing vegetables with fresh green leaves, petioles or tender stems as edible parts. Due to its rich nutrition, crisp taste, short growth period, flexible harvesting, and low management difficulty, green leafy vegetables are widely cultivated and are one of the main vegetables grown in my country's facilities. [0003] However, for the traditional planting of green leafy vegetables, due to the large number of stubbles, heavy physical labor operations such as loosening, leveling, and furrowing of the planting soil are required every time the stubble is changed. With the optimization and adjustment of the agricultural industrial structure, there are fewer and fewer people of the right age engaged in facility agriculture, and the problem of labor shortage ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G31/02A01G31/00G05D11/13
CPCA01G31/02A01G31/00G05D11/131Y02P60/21
Inventor 王利春陈晓丽李友丽郭文忠弓瑶李思陈玺
Owner BEIJING RES CENT OF INTELLIGENT EQUIP FOR AGRI
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