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Cultivating system and method based on plant nitrogen fertilizer application amount optimization

A technology of application rate and nitrogen fertilizer, applied in the directions of botanical equipment and methods, fertilization methods, cultivation, etc., can solve problems such as high cost and difficult errors, and achieve the effects of reducing time cost, suitable growth temperature and simple structure

Active Publication Date: 2015-06-17
ZHEJIANG UNIV
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AI Technical Summary

Problems solved by technology

Although there are methods for quickly detecting the practical amount of plant nitrogen fertilizers such as spectral detection and image detection, they are difficult to popularize due to high costs and errors.

Method used

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  • Cultivating system and method based on plant nitrogen fertilizer application amount optimization

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Embodiment Construction

[0028] like figure 1 As shown, a temperature-controlled cultivation system based on plant nitrogen fertilizer application optimization, the cultivation system includes a simple cultivation room 1, a temperature regulator 2, a skylight 3, a nutrient solution tank 4, a trapezoidal support 5, a recovery box 6, and a liquid outlet pipe 7 , liquid outlet switch 8, arc-shaped transparent tube 9, ceramsite sand 10, cultivation box 11, air pipe 12, liquid inlet switch 13, liquid inlet pipe 14 and inflator 15.

[0029] The trapezoidal support 5 is in the form of three steps, and the nutrient solution tank 4, the cultivation box 11 and the recovery box 6 are placed in order from high to low on the steps. The nutrient solution can be input into the cultivation box under the action of its own gravity and discharged into the recovery box. The simple cultivation room 1 is made of PC sunlight board, which has good light transmission and heat preservation performance. The top of the simple c...

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Abstract

The invention discloses a cultivating system based on plant nitrogen fertilizer application amount optimization. The system comprises a support. A nutrient solution tank is arranged at the upper portion of the support. A cultivating box is arranged in the middle of the support. A recovery box is arranged at the lower portion of the support. The cultivating box is communicated with the nutrient solution tank through a liquid inlet pipe. The recovery box is communicated with the cultivating box through a liquid outlet pipe. Compost is contained in the cultivating box. An oxygen supply device for injecting oxygen into the cultivating box and a nutrient solution highly-quantitative device are arranged in the cultivating box. The invention further discloses a method based on plant nitrogen fertilizer application amount optimization. The method is simple in structure, simple in operation procedure, low in device cost and convenient to apply and popularize, and meanwhile the experiment time cost is reduced when multiple temperature control cultivating systems are used for experiments.

Description

technical field [0001] The invention belongs to the technical field of nitrogen fertilizer application research and hydroponic devices, and in particular relates to a cultivation system and method based on plant nitrogen fertilizer application optimization. Background technique [0002] Precision agriculture is the development trend of modern agriculture, and refined on-demand fertilization is an important part of precision agriculture. At present, most of the fertilization operations in the field are excessively fertilized, resulting in many problems such as environmental pollution and resource waste. The study of on-demand fertilization of plants is of great significance to the development of modern agriculture and the protection of the natural environment. Nitrogen is an important element that constitutes many organic matters in plants. How to accurately determine the amount of nitrogen fertilizer required by plants is of great significance for refined on-demand fertiliza...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G31/02A01C21/00
CPCA01C21/00A01G31/02Y02P60/21
Inventor 刘飞宋坤林孔汶汶何勇冯雷方慧
Owner ZHEJIANG UNIV
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