Method for carrying out water feeding and fertilization by detecting weather and soil indexes

A water and soil technology, applied in fertilization methods, meteorology, fertilization devices, etc., can solve the problems of no comprehensive analysis of meteorological factors and soil factors, low management level, lack of intelligence and precise irrigation and fertilization control systems, etc.

Inactive Publication Date: 2015-02-18
SHENYANG YUANDA INTELLIGENT AGRI
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AI Technical Summary

Problems solved by technology

From the perspective of field application, the management level of my country's irrigation and fertigation technology system is relatively low, most of which are combined irriga...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Sunny or cloudy, soil temperature 25°C;

[0027] (1) When the detected soil conductivity reaches the lower limit of the soil conductivity, water and fertilization is carried out according to the fertilizer requirements of different growth stages of crops, and the duration of water and fertilization is 50 seconds;

[0028] (2) After an interval of 20 minutes, the moisture sensor and the conductivity sensor measure the soil tension and the soil conductivity;

[0029] (3) When the detected soil electrical conductivity and soil tension reach the interval value required for the crop growth period, stop water and fertilization.

Embodiment 2

[0031] Sunny or cloudy, soil temperature 30°C;

[0032] (1) When the detected soil electrical conductivity reaches the interval value required for the crop growth period;

[0033] (2) The soil tension is measured by the moisture sensor. If there is a lack of water, a separate water supply is implemented. The water supply time is 60 seconds. In order to ensure the stability of the soil EC value, a certain proportion of fertilizer can be added with the water;

[0034] (3) After water supply alone, after an interval of 20 minutes, the moisture sensor and the conductivity sensor measure the soil tension and the soil conductivity;

[0035] (4) Stop water and fertilization when the detected soil electrical conductivity and soil tension reach the interval value required for the crop growth period.

Embodiment 3

[0037] On rainy days, the soil temperature is 15°C;

[0038] (1) Stop fertilizing water when it rains;

[0039] (2) Within 24 hours after the rain stops, measure the soil conductivity once every hour;

[0040] (3) When the detected soil conductivity reaches the lower limit of the soil conductivity, water and fertilization is carried out according to the fertilizer requirements of different growth stages of crops, and the duration of water and fertilization is 55 seconds;

[0041] (4) After watering and fertilizing, after an interval of 30 minutes, measure soil tension and soil conductivity by moisture sensor and conductivity sensor;

[0042](5) Stop water and fertilization when the detected soil electrical conductivity and soil tension reach the interval value required for the crop growth period.

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PUM

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Abstract

The invention relates to an accurate water feeding and fertilization method, in particular to a method for carrying out water feeding and fertilization by detecting weather and soil indexes. According to the technical scheme, the weather and soil indexes are detected through a sensor, the weather indexes are fine weather or cloudy weather or rainy weather, and the soil indexes comprise soil temperature, soil electric conductivity and soil tension. A water feeding and fertilization system determines a water feeding and fertilization scheme on crops according to the weather and soil index data detected by the sensor. According to the method for carrying out water feeding and fertilization by detecting the weather and soil indexes, external weather and coil environment are combined, under different environment conditions, different water feeding and fertilization schemes are developed, great guiding effect is achieved on farm irrigation and fertilization, water saving and fertilizer saving are achieved, and the purpose of crop high yield is achieved.

Description

technical field [0001] The invention relates to a method for precise water fertilization, in particular to a method for water fertilization by detecting meteorological and soil indicators. Background technique [0002] my country's irrigation and fertilization integration technology began with the introduction of drip irrigation technology from Mexico in 1974. On the basis of introducing and assimilating foreign advanced technology, many domestic scientific research institutes and enterprises have carried out relevant experimental research and obtained a lot of results and experience, but most of the research focuses on academic aspects and seldom applies to the field. From the perspective of field application, the management level of my country's irrigation and fertigation technology system is relatively low, most of which are combined irrigation and fertilization, without comprehensive analysis of meteorological factors and soil factors, and lack of more intelligent and pr...

Claims

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Application Information

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IPC IPC(8): G01W1/02G01N33/24A01C21/00
CPCA01C21/005G01N33/24G01N2033/245G01W1/06
Inventor 侯超池海葛鹏马海智宋宇实
Owner SHENYANG YUANDA INTELLIGENT AGRI
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