Tidal seedling-raising monitoring and irrigation decision-making method, device and system

Abstract

The invention provides a tidal seedling monitoring and irrigation decision-making method, device and system, and the method comprises the steps: obtaining the matrix saturation weight when a plant and a matrix in a cultivation tank integrally reach a stable saturation state through a weighing mechanism after each irrigation, and calculating the matrix saturation weight according to the matrix initial saturation weight when the matrix is saturated by irrigation before the plant is planted; calculating the fresh weight of the irrigated plants; obtaining the real-time weight of the whole matrix of the plant and the matrix through a weighing mechanism, and calculating the real-time reference irrigation amount in combination with the fresh weight of the plant and the saturated weight of the matrix; acquiring the real-time water content of the substrate, and if the real-time water content of the substrate is smaller than the irrigation threshold value, irrigating the seedling raising plate based on the real-time reference irrigation amount. According to the method, manual frequent measurement operation records are not needed, and the field monitoring installation process is greatly simplified. The growth condition parameters such as the plant weight can be accurately obtained in a weighing mode, the problem that online obtaining of crop information is difficult is solved, and accurate irrigation can be conducted according to the plant growth conditions in different periods.

Description

technical field [0001] The invention relates to the field of crop irrigation, in particular to a tidal seedling monitoring and irrigation decision-making method, device and system. Background technique [0002] The tidal irrigation system is a high-efficiency water-saving irrigation system designed based on the principle of tidal fluctuation. It is suitable for the planting and management of various potted plants, and can effectively improve the utilization efficiency of water resources and nutrient solution. [0003] At present, in the process of cultivation, due to the difficulty of online acquisition of crop information, there are problems such as the inability to determine a reasonable water and nutrient irrigation point, and the uncertainty of the crop's absorption of water and nutrients. It is difficult to grasp the growth status of the plant in real time. Mainly, different liquid levels are used in different periods, and the specific duration is basically judged by ex...

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Problems solved by technology

[0003] At present, due to the difficulty in obtaining crop information online during the cultivation process, there are problems such as the inability to determine a reasonable water and nutrient irrigation point, and the uncertainty of the crop’s absorption of water and nutrients. It is difficult to grasp the growth status of plants in real time; tidal irrigation decisions are based on experience Mainly, different liquid levels are used in different periods, the specific duration is based on empirical judgment, and the accuracy is not high

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