CN109644655A - A kind of Tree Precise Fertilization method based on soil fertility real-time detection - Google Patents

A kind of Tree Precise Fertilization method based on soil fertility real-time detection Download PDF

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Publication number
CN109644655A
CN109644655A CN201811547013.5A CN201811547013A CN109644655A CN 109644655 A CN109644655 A CN 109644655A CN 201811547013 A CN201811547013 A CN 201811547013A CN 109644655 A CN109644655 A CN 109644655A
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CN
China
Prior art keywords
soil
monitoring
trickle irrigation
potassium
irrigation
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Pending
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CN201811547013.5A
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Chinese (zh)
Inventor
秦孙巍
李先福
邱丹丹
孙静月
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Wuhan Institute of Technology
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Wuhan Institute of Technology
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Priority to CN201811547013.5A priority Critical patent/CN109644655A/en
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    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01CPLANTING; SOWING; FERTILISING
    • A01C21/00Methods of fertilizing, sowing or planting
    • A01C21/005Following a specific plan, e.g. pattern

Abstract

The invention discloses a kind of Tree Precise Fertilization methods based on soil fertility real-time detection, comprising the following steps: soil is divided into different block areas along drip irrigation pipe network by S1, setting soil monitoring point;S2, soil monitoring sensor is laid in monitoring site;S3, soil conditions baseline is established before cultivation;S4, parameter is cultivated according to soil conditions baseline and the setting of the growth conditions of crops;S5, parameter is cultivated by the acquisition of soil monitoring sensor after a certain period of time after the change of trickle irrigation state, calculates the difference of cultivation parameter monitoring value and respective threshold and records result;S6, the water and nutrient content for calculating adjustment trickle irrigation;S7, adjustment trickle irrigation state continue to monitor and apply fertilizer.The present invention can be realized on-demand fertilising, can effectively change environmental problem caused by traditional agriculture excessively applies fertilizer.

Description

A kind of Tree Precise Fertilization method based on soil fertility real-time detection
Technical field
The present invention relates to agricultural fertilizer technical field more particularly to a kind of Tree Precise Fertilizations based on soil fertility real-time detection Method.
Background technique
Agriculture high speed development under the conditions of a large amount of investments of the chemicals such as chemical fertilizer and pesticide and fossil energy, caused water The ecological environment problems such as soil flow loses, soil productivity decline, agricultural product and underground water pollution, water eutrophication, have caused The extensive concern of international community.Precision fertilizing equips skill by modern information technologies, Crop Planting Management Agriculture Expert technology, agriculture project A series of new and high technologies such as art realize fertilising on demand, can effectively change environmental problem caused by traditional agriculture excessively applies fertilizer.
Summary of the invention
The technical problem to be solved in the present invention is that for the defects in the prior art, providing a kind of real based on soil fertility When the Tree Precise Fertilization method that detects.
The technical solution adopted by the present invention to solve the technical problems is:
The present invention provides a kind of Tree Precise Fertilization method based on soil fertility real-time detection, cultivated soil area in parallel etc. Spacing is provided with a plurality of droping irrigating pipe, method includes the following steps:
Soil is divided into different block areas along drip irrigation pipe network, presses soil types in block area by S1, setting soil monitoring point Monitoring region is divided, monitoring site is set in monitoring region central location, the depth and crop root system of monitoring site are in same One is horizontal;
S2, soil monitoring sensor is laid in monitoring site, soil monitoring sensor includes but is not limited to: soil moisture passes Sensor, soil temperature sensor, phosphorus sensor, nitrogen sensor, potassium sensor;
S3, before cultivation, acquisition soil monitoring sensor monitoring data establish soil conditions baseline;
S4, parameter is cultivated according to the soil conditions baseline of step S3 and the growth conditions setting of crops, cultivates parameter packet It includes but is not limited to: soil moisture threshold, nutrient content threshold value;
S5, pass through soil monitoring sensor acquisition cultivation parameter, calculating cultivation after a certain period of time after the change of trickle irrigation state The difference of parameter monitoring value and respective threshold simultaneously records as a result, record result is as historical record data;
S6, according to the difference of parameter monitoring value and respective threshold, in conjunction with the soil conditions baseline and step S5 of step S3 Historical record data calculates the water and nutrient content of adjustment trickle irrigation;
S7, trickle irrigation state is adjusted according to the calculated result of step S6, return step S5 is continued to monitor and applied fertilizer.
Further, step S3 of the invention method particularly includes:
Before S31, trickle irrigation, the potassium concn of sampling analysis trickle irrigation position and monitoring position soil is respectively as follows:
S32, potassium diffusion time curve is established;Under conditions of soil moisture and constant soil issues, change trickle irrigation position Potassium concn, observation monitoring position potassium concn change with time, establish potassium diffusion time curve cMonitoring point=C (cTrickle irrigation, vTrickle irrigation, T), cTrickle irrigationFor potassium concn in dripping irrigation water, vTrickle irrigationTrickle irrigation speed, t are the time;
When monitoring point is that potassium concn is basicly stable, measures and stablize time tStablizeConcentration is monitored with monitoring point potassium when stablizing cMonitoring is stablized
The potassium concn of trickle irrigation position and monitoring position soil, is respectively as follows: when S33, sampling analysis are stablized
S34, monitoring point concentration correction coefficient is calculated
S35, nutrient range of value is calculated
S36, soil nutrient concentration difference coefficient is calculated:
S37, monitoring point monitoring potassium concn changes delta c is establishedMonitoring pointWith irrigation water potassium concn changes delta cTrickle irrigationRelationship:
S38, nutrient monitoring correction coefficient under different soils moisture condition is established;Under different pure water trickle irrigation velocity conditions, Measure the monitoring concentration under the stable state of monitoring pointAnd soil moisture kMoisture, calculate efficiency of water application and nutrient dilute base Line:
Further, step S6 of the invention method particularly includes:
S61, soil moisture k is calculated according to step S38MoistureCalculate trickle irrigation speed knots modification Δ vTrickle irrigation
S62, potassium concn changes delta c is monitored according to monitoring point obtained by step S37Monitoring pointWith irrigation water potassium concn changes delta cTrickle irrigation The trickle irrigation speed that relationship and step S38 gained nutrient dilution baseline and step S61 are calculated, calculates potassium concn in trickle irrigation liquid Knots modification Δ cTrickle irrigation
The beneficial effect comprise that: the Tree Precise Fertilization method of the invention based on soil fertility real-time detection is led to It crosses and soil is divided into different monitoring block areas, lay soil monitoring sensor in monitoring site, and before cultivation and trickle irrigation It acquires soil monitoring data respectively after a certain period of time, and calculates the parameter for needing to adjust trickle irrigation;Precision fertilizing passes through present information A series of new and high technologies such as technology, Crop Planting Management Agriculture Expert technology, agriculture project equipment technology realize fertilising on demand, can be effective Change environmental problem caused by traditional agriculture excessively applies fertilizer.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the Tree Precise Fertilization method flow diagram of the embodiment of the present invention;
Fig. 2 is the layout drawing of the monitoring site of the embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, not For limiting the present invention.
As shown in Figure 1, the Tree Precise Fertilization method based on soil fertility real-time detection of the embodiment of the present invention, specific steps are such as Under:
(1) soil monitoring point is set, soil is divided into different block areas along drip irrigation pipe network, presses soil types in block area Monitoring region is divided, monitoring site is set in monitoring region central location, as shown in Fig. 2, the depth of monitoring site and crops Root system is in same level;
(2) soil monitoring sensor is laid in monitoring site, soil monitoring sensor includes: soil moisture sensor, soil Earth temperature sensor and potassium sensor;
(3) before cultivation, acquisition soil monitoring sensor monitoring data establish soil conditions baseline:
(31) before trickle irrigation, the potassium concn of sampling analysis trickle irrigation position and monitoring position soil,
(32) potassium diffusion time curve is established.Under conditions of soil moisture and constant soil issues, change trickle irrigation position Potassium concn, observation monitoring position potassium concn change with time, establish potassium diffusion time curve cMonitoring point=C (cTrickle irrigation, vTrickle irrigation, T), cTrickle irrigationFor potassium concn in dripping irrigation water, vTrickle irrigationTrickle irrigation speed;
When monitoring point is that potassium concn is basicly stable, measures and stablize time tStablizeConcentration is monitored with monitoring point potassium when stablizing cMonitoring is stablized
(33) potassium concn of trickle irrigation position and monitoring position soil when sampling analysis is stablized,
(34) monitoring point concentration correction coefficient is calculated
(35) nutrient range of value is calculated
(36) soil nutrient concentration difference coefficient is calculated:
(37) monitoring point monitoring potassium concn changes delta c is establishedMonitoring pointWith irrigation water potassium concn changes delta cTrickle irrigationRelationship
(38) it establishes nutrient under different soils moisture condition and monitors correction coefficient.Under different pure water trickle irrigation velocity conditions, The monitoring concentration and soil moisture under the stable state of monitoring point are measured, efficiency of water application is calculated and nutrient dilutes baseline:
(4) according to the nutrient baseline of step (3) and the growth conditions of crops setting cultivation parameter, cultivation parameter includes: Soil moisturePotassium concn
(5) cultivation parameter is acquired by sensor after a certain period of time after the change of trickle irrigation state, calculates cultivation parameter monitoring The difference of value and respective threshold: soil moisture difference Δ hSoil moisture, potassium monitor concentration difference Δ cMonitoring
(6) water and nutrient content are calculated by the difference of parameter monitoring value and respective threshold:
(61) by efficiency of water application k obtained by step (38)MoistureCalculate trickle irrigation speed knots modification Δ vTrickle irrigation
(61) baseline is diluted by nutrient obtained by relationship obtained by above-mentioned steps (37) and step (38), is calculated with step (61) Trickle irrigation speed calculates potassium concn knots modification Δ c in trickle irrigation liquidTrickle irrigation
(7) trickle irrigation state, return step (5) are adjusted according to step (6) result.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description, And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.

Claims (3)

1. a kind of Tree Precise Fertilization method based on soil fertility real-time detection, which is characterized in that cultivated soil area in parallel etc. Spacing is provided with a plurality of droping irrigating pipe, method includes the following steps:
Soil is divided into different block areas along drip irrigation pipe network, divided in block area by soil types by S1, setting soil monitoring point Region is monitored, monitoring site is set in monitoring region central location, the depth and crop root system of monitoring site are in same water It is flat;
S2, soil monitoring sensor is laid in monitoring site, soil monitoring sensor includes but is not limited to: soil moisture sensing Device, soil temperature sensor, phosphorus sensor, nitrogen sensor, potassium sensor;
S3, before cultivation, acquisition soil monitoring sensor monitoring data establish soil conditions baseline;
S4, according to the soil conditions baseline of step S3 and the growth conditions of crops setting cultivation parameter, cultivation parameter include but It is not limited to: soil moisture threshold, nutrient content threshold value;
S5, pass through soil monitoring sensor acquisition cultivation parameter, calculating cultivation parameter after a certain period of time after the change of trickle irrigation state The difference of monitor value and respective threshold simultaneously records as a result, record result is as historical record data;
S6, according to the difference of parameter monitoring value and respective threshold, in conjunction with the soil conditions baseline of step S3 and the history of step S5 Record water and nutrient content that data calculate adjustment trickle irrigation;
S7, trickle irrigation state is adjusted according to the calculated result of step S6, return step S5 is continued to monitor and applied fertilizer.
2. the Tree Precise Fertilization method according to claim 1 based on soil fertility real-time detection, which is characterized in that step S3 Method particularly includes:
Before S31, trickle irrigation, the potassium concn of sampling analysis trickle irrigation position and monitoring position soil is respectively as follows:
S32, potassium diffusion time curve is established;Under conditions of soil moisture and constant soil issues, change the potassium of trickle irrigation position The potassium concn of concentration, observation monitoring position changes with time, and establishes potassium diffusion time curve cMonitoring point=C (cTrickle irrigation, vTrickle irrigation, t), cTrickle irrigationFor potassium concn in dripping irrigation water, vTrickle irrigationTrickle irrigation speed, t are the time;
When monitoring point is that potassium concn is basicly stable, measures and stablize time tStablizeConcentration c is monitored with monitoring point potassium when stablizingMonitoring is stablized
The potassium concn of trickle irrigation position and monitoring position soil, is respectively as follows: when S33, sampling analysis are stablized
S34, monitoring point concentration correction coefficient is calculated
S35, nutrient range of value is calculated
S36, soil nutrient concentration difference coefficient is calculated:
S37, monitoring point monitoring potassium concn changes delta c is establishedMonitoring pointWith irrigation water potassium concn changes delta cTrickle irrigationRelationship:
S38, nutrient monitoring correction coefficient under different soils moisture condition is established;Under different pure water trickle irrigation velocity conditions, measurement Monitoring concentration under the stable state of monitoring pointAnd soil moisture kMoisture, it calculates efficiency of water application and nutrient dilutes baseline:
3. the Tree Precise Fertilization method according to claim 2 based on soil fertility real-time detection, which is characterized in that step S6 Method particularly includes:
S61, soil moisture k is calculated according to step S38MoistureCalculate trickle irrigation speed knots modification Δ vTrickle irrigation
S62, potassium concn changes delta c is monitored according to monitoring point obtained by step S37Monitoring pointWith irrigation water potassium concn changes delta cTrickle irrigationRelationship, And the trickle irrigation speed that the dilution baseline of nutrient obtained by step S38 and step S61 are calculated, it calculates potassium concn in trickle irrigation liquid and changes Measure Δ cTrickle irrigation
CN201811547013.5A 2018-12-18 2018-12-18 A kind of Tree Precise Fertilization method based on soil fertility real-time detection Pending CN109644655A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111693006A (en) * 2020-06-12 2020-09-22 中国科学院地理科学与资源研究所 Method and device for determining number and positions of sensors in coral sand soil monitoring area

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103927684A (en) * 2014-04-23 2014-07-16 广西力源宝科技有限公司 Intelligent cassava fertilizer applying system
CN104521404A (en) * 2014-12-24 2015-04-22 沈阳远大科技园有限公司 Automatic fertilization and water supply control system and automatic fertilization and water supply control method
CN105759877A (en) * 2016-02-29 2016-07-13 陈胜萍 Tomato water and fertilizer integrated intelligent precision irrigation system
CN106717421A (en) * 2016-12-30 2017-05-31 中国烟草总公司广东省公司 One soil testing and formulated fertilization method for growing tobacco
CN106717405A (en) * 2016-11-21 2017-05-31 江西省土壤肥料技术推广站 Nutrient Plentiful-lack index regulation coefficient method fertilizing method
CN108811651A (en) * 2018-05-29 2018-11-16 安徽润航农业科技开发有限公司 A kind of method of fertilization compositions based on earth measurement

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103927684A (en) * 2014-04-23 2014-07-16 广西力源宝科技有限公司 Intelligent cassava fertilizer applying system
CN104521404A (en) * 2014-12-24 2015-04-22 沈阳远大科技园有限公司 Automatic fertilization and water supply control system and automatic fertilization and water supply control method
CN105759877A (en) * 2016-02-29 2016-07-13 陈胜萍 Tomato water and fertilizer integrated intelligent precision irrigation system
CN106717405A (en) * 2016-11-21 2017-05-31 江西省土壤肥料技术推广站 Nutrient Plentiful-lack index regulation coefficient method fertilizing method
CN106717421A (en) * 2016-12-30 2017-05-31 中国烟草总公司广东省公司 One soil testing and formulated fertilization method for growing tobacco
CN108811651A (en) * 2018-05-29 2018-11-16 安徽润航农业科技开发有限公司 A kind of method of fertilization compositions based on earth measurement

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111693006A (en) * 2020-06-12 2020-09-22 中国科学院地理科学与资源研究所 Method and device for determining number and positions of sensors in coral sand soil monitoring area
CN111693006B (en) * 2020-06-12 2021-07-02 中国科学院地理科学与资源研究所 Method and device for determining number and positions of sensors in coral sand soil monitoring area

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