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Precise fertilizing system

An accurate and fertilizing device technology, applied in the agricultural field, can solve the problems of lack of automatic detection and feedback adjustment system, inability to precisely control the amount of fertilization, inability to reflect the supply of nutrients, etc., to shorten the measurement cycle, save labor, and maintain the effect of environmental health.

Active Publication Date: 2019-06-28
QINGDAO AGRI UNIV
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Problems solved by technology

However, at present, the fertilizer applicator only monitors the EC value and pH value of the irrigation water or the fertilizer solution. The above two indicators cannot reflect the supply of specific nutrients, and have little guiding significance for precise fertilization, and the current fertilizers lack automatic detection-fertilization Feedback adjustment system cannot accurately control the amount of fertilization, which limits the development of precision agriculture

Method used

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Embodiment Construction

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0017] The purpose of the present invention is to provide a precision fertilization system, which can realize automatic and rapid monitoring of nutrients in situ, and perform precise fertilization according to the data of nutrient monitoring.

[0018] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawin...

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Abstract

The invention discloses a precise fertilizing system which comprises a sample feeding device, a nutrient detection device, a control device and a fertilizing device. The sample feeding device, the nutrient detection device and the fertilizing device are all connected with the control device, the sample feeding device is used for sucking sample feeding liquid for reaction, the sample feeding liquidcomprises a nitrogen reagent, a phosphorus reagent, a potassium reagent, a nutrient solution and a diluents, the nutrient detection device is connected with the sample feeding device and used for color comparison of reaction liquid to obtain absorbance, the control device is used for controlling flow-in of the sample feeding liquid in the sample feeding device and adjusting wavelength of a lightsource in the nutrient detection device and further used for calculating concentration of fertilizer in the sample feeding liquid according to the absorbance and sending a fertilizing signal to the fertilizing device according to the concentration of the fertilizer, and the fertilizing device is used for fertilizing according to the fertilizing signal. The precise fertilizing system can realize in-situ automatic quick monitoring of nutrients and realize precise fertilizing according to nutrient monitoring data.

Description

technical field [0001] The invention relates to the field of agriculture, in particular to a precision fertilization system. Background technique [0002] With the development of modern agriculture, the technology of water and fertilizer integration has been promoted rapidly. This technology saves water and fertilizer, and meets the requirements of national ecological civilization construction. Due to the increase in labor costs and the development of industrialized management of economic crops, fertilizer spreaders that are conducive to large-scale management and labor cost savings have developed rapidly. However, at present, the fertilizer applicator only monitors the EC value and pH value of the irrigation water or the fertilizer solution. The above two indicators cannot reflect the supply of specific nutrients, and have little guiding significance for precise fertilization, and the current fertilizers lack automatic detection-fertilization The feedback adjustment syste...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01C23/00G05D27/02
CPCY02P60/21
Inventor 梁斌李俊良刘庆花何华
Owner QINGDAO AGRI UNIV
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