CN110007060A - A kind of detection method for the prediction model that soil available phosphorus element is horizontal - Google Patents
A kind of detection method for the prediction model that soil available phosphorus element is horizontal Download PDFInfo
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- CN110007060A CN110007060A CN201910113668.XA CN201910113668A CN110007060A CN 110007060 A CN110007060 A CN 110007060A CN 201910113668 A CN201910113668 A CN 201910113668A CN 110007060 A CN110007060 A CN 110007060A
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- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title claims abstract description 119
- 229910052698 phosphorus Inorganic materials 0.000 title claims abstract description 119
- 239000011574 phosphorus Substances 0.000 title claims abstract description 119
- 239000002689 soil Substances 0.000 title claims abstract description 87
- 238000001514 detection method Methods 0.000 title claims abstract description 19
- 239000003337 fertilizer Substances 0.000 claims abstract description 36
- 238000004519 manufacturing process Methods 0.000 claims abstract description 13
- 230000009466 transformation Effects 0.000 claims abstract description 13
- 238000005259 measurement Methods 0.000 claims abstract description 11
- 230000001419 dependent effect Effects 0.000 claims abstract description 4
- 239000000126 substance Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 10
- 235000013339 cereals Nutrition 0.000 claims description 7
- 230000007774 longterm Effects 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 230000001684 chronic effect Effects 0.000 claims description 5
- 239000003895 organic fertilizer Substances 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 4
- 241000209140 Triticum Species 0.000 claims description 3
- 235000021307 Triticum Nutrition 0.000 claims description 3
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 3
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 3
- 235000005822 corn Nutrition 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000005527 soil sampling Methods 0.000 claims description 3
- 240000008042 Zea mays Species 0.000 claims 1
- 239000002686 phosphate fertilizer Substances 0.000 abstract description 8
- 239000004575 stone Substances 0.000 abstract 1
- 238000012544 monitoring process Methods 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 241000209149 Zea Species 0.000 description 2
- 238000012271 agricultural production Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009313 farming Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 239000002156 adsorbate Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004720 fertilization Effects 0.000 description 1
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
- G01N33/245—Earth materials for agricultural purposes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Food Science & Technology (AREA)
- Analytical Chemistry (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fertilizers (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The invention discloses a kind of detection methods of prediction model that soil available phosphorus element is horizontal, include the following steps: step 1: establishing the expression formula of the horizontal prediction model of soil available phosphorus element are as follows: Olsen-P=Olsen-Pi+D × (Pm-Cm × Ym) × t；Step 2: obtaining the data of crop target output Ym, the fertilizer phosphorus input amount Pm of several measurement points being distributed in survey region and the setting impact factor of several measurement points；Step 3: to set impact factor as explanatory variable, need phosphorus amount Cm as dependent variable using soil available phosphorus transformation efficiency D and every production 1kg crop kernel, crop target output Ym and fertilizer phosphorus input amount Pm substitutes into soil available phosphorus element horizontal forecast model as quantitative data.The present invention is detected by the model, can quick obtaining soil available phosphorus data, abundant phosphorus big data platform, has established foundation stone for soil phosphate fertilizer usage amount in time.
Description
Technical field
The invention belongs to horizontal pre- of the electric powder prediction of soil available phosphorus element more particularly to a kind of soil available phosphorus element
Survey the detection method of model.
Background technique
Soil available phosphorus, also referred to as rapid available phosphorus are the phosphorus component that can be absorbed by plants in soil, including whole water solubilitys
Phosphorus, partial adsorbates state phosphorus and organic phosphorus further include certain precipitation state phosphorus in some soil.In chemistry, available phosphorus is defined as:
Phosphate that is that isotope exchanges or being easy in the phosphorus and the soil liquid that are extracted by certain chemical reagent can be carried out with 32P.Soil
Available phosphorus is the index of soil phosphorus nutrient supply level height, and soil phosphorus content height is reflecting in soil to a certain degree
The reserves and deliverability of phosphorus element.Application phosphate fertilizer, soil are generally instructed using the index of soil available phosphorus in agricultural production
Available phosphorus content is to determine that phosphate fertilizer has to no effect and the principal element of effect size, so can make good use of phosphate fertilizer must be according to soil
The content of earth available phosphorus is treated with a certain discrimination.In agricultural production, people are to meet the needs of high crop yield, are largely applied for a long time in farmland
With chemical fertilizer and muck, soil phosphorus is caused to accumulate, agricultural land soil phosphorus element accumulates to a certain extent, and the release of soil phophorus can increase greatly
Add, to cause phosphorous loss, causes water eutrophication.This not only lowers the economic benefits of fertilizer, also lead to economic damage
It loses, while increasing the risk of water environment pollution.
The supply situation for quickly understanding available phosphorus in soil has direct meaning for fertilising, implements efficient with phosphate fertilizer
It is the goal-oriented horizontal management of soil available phosphorus element using, Sustainable Development of Ecological Environment, above all it is effective to carry out soil
Phosphorus pollution quick predict, to instruct phosphate fertilizer rationally science application, Farming high-yield and high-efficiency.Therefore, how to be quickly obtained in advance
The effective phosphorus pollution of earth becomes important scientific issues urgently to be resolved.
Summary of the invention
It is an object of the invention to: for the above-mentioned supply situation that cannot understand available phosphorus in soil in time, so that soil
The problem of meeting with the pollution of effective phosphorus element, the present invention provide a kind of detection method of prediction model that soil available phosphorus element is horizontal.
The technical solution adopted by the invention is as follows:
A kind of detection method for the prediction model that soil available phosphorus element is horizontal, includes the following steps:
Step 1: establishing the expression formula of the horizontal prediction model of soil available phosphorus element are as follows: Olsen-P=Olsen-Pi+D ×
(Pm-Cm×Ym)×t；In formula: Olsen-P indicates forecast year available phosphorus content, unit: mg/kg；Olsen-Pi indicates initial
Available phosphorus content, unit: mg/kg；D indicates available phosphorus transformation efficiency；Pm indicates fertilizer phosphorus input amount, unit: kg/ha；Cm
Indicate that every production 1kg object seed needs phosphorus amount (kg)；Ym indicates crop target output, unit: kg/ha；T indicates the fertilising time limit
(year)；
Step 2: obtaining crop target output Ym, the fertilizer phosphorus investment of several measurement points being distributed in survey region
Measure the data of the setting impact factor of Pm and several measurement points；
Step 3: to set impact factor as explanatory variable, with soil available phosphorus transformation efficiency D and every production 1kg object
Seed needs phosphorus amount Cm as dependent variable, and crop target output Ym and fertilizer phosphorus input amount Pm are as quantitative data, generation
Enter soil available phosphorus element horizontal forecast model.
As a preferred mode, in the step 1 when long-term all applications chemical fertilizer, soil available phosphorus transformation efficiency D
Are as follows: 0.42, when chronic administration organic fertilizer and chemical fertilizer, soil available phosphorus transformation efficiency D is 0.50；
Every production 1Kg wheat seed needs the range of phosphorus amount Cm are as follows: 0.0045~0.0065kg, every production 1Kg Corn Seeds
Grain needs the range of phosphorus amount Cm are as follows: 0.004~0.0045kg；
When long-term all applications chemical fertilizer, the range of initial available phosphorus content Olsen-Pi are as follows: 5.4mg/kg~34mg/kg,
When chronic administration organic fertilizer and chemical fertilizer, the range of initial available phosphorus content Olsen-Pi are as follows: 5.4mg/kg~66mg/kg.
As a preferred mode, the acquisition methods of the data in the step 2 are the following steps are included: with survey region
Topographic map, present landuse map and soil types distribution map are auxiliary information, are sampling principle, knot with representative and uniformity
It closes the information such as terrain information and soil types and carries out the laying of soil sampling point, acquired at each sampling point using multiple spot mixed method
To pedotheque, the pedotheque is detected, obtains the initial available phosphorus content Olsen-Pi of soil and measurement point
Set impact factor.
As a preferred mode, the setting impact factor in the step 2 includes soil parent material, the soil texture, soil
Earth structure, soil types and physiographic factor.
As a preferred mode, the physiographic factor includes in terrain type, weather category and geological type
At least one.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
1. the detection method of the horizontal prediction model of soil available phosphorus element of the present invention, can quick obtaining soil available phosphorus number
According to abundant phosphorus big data platform, instructs phosphate fertilizer rationally science application, Farming high-yield and high-efficiency in time；
2. the detection method of the horizontal prediction model of soil available phosphorus element of the present invention, can mitigate traditional experiment room and measure
Cumbersome, the very long process such as soil collection, sunning, crushing, weighing, analysis, calculating, feedback in journey saves time, artificial and throwing
Enter the cost of fund；
3. the detection method of the horizontal prediction model of soil available phosphorus of the present invention element, can for different initial concentrations, quality,
The horizontal more accurately prediction of field of crop varieties, yield, fertilizer amount and kind；
4. the detection method of the horizontal prediction model of soil available phosphorus element of the present invention, can be directed to different initial concentrations, crop
The relatively accurate prediction of zone level of kind, yield, Phosphorus Fertilizer Rates, phosphate fertilizer variety；
5. the detection method of the horizontal prediction model of soil available phosphorus of the present invention element, can approximate range statistical yearbook make produce
Amount, Phosphorus Fertilizer Rates, to the effective phosphorus element horizontal forecast of the whole province；
6. the detection method of the horizontal prediction model of soil available phosphorus of the present invention element, for realize China's fertilizer be reduced synergy,
Fertilizer and pesticide zero growth rate provides technical support；
7. the detection method of the horizontal prediction model of soil available phosphorus element of the present invention, can monitor soil phosphorus water in real time
It is flat, fertilizer application mode and dose are adjusted in time using monitoring data, can be the fertilization system and cell phone application of realization field level
Core parameter is provided.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
Embodiment 1
A kind of detection method for the prediction model that soil available phosphorus element is horizontal, includes the following steps:
Step 1: establishing the expression formula of the horizontal prediction model of soil available phosphorus element are as follows: Olsen-P=Olsen-Pi+D ×
(Pm-Cm×Ym)×t；In formula: Olsen-P indicates forecast year available phosphorus content, unit: mg/kg；Olsen-Pi indicates initial
Available phosphorus content, unit: mg/kg；D indicates available phosphorus transformation efficiency；Pm indicates fertilizer phosphorus input amount, unit: kg/ha；Cm
Indicate that every production 1kg object seed needs phosphorus amount (kg)；Ym indicates crop target output, unit: kg/ha；T indicates the fertilising time limit
(year)；
Step 2: obtaining crop target output Ym, the fertilizer phosphorus investment of several measurement points being distributed in survey region
Measure the data of the setting impact factor of Pm and several measurement points；
Step 3: to set impact factor as explanatory variable, with soil available phosphorus transformation efficiency D and every production 1kg object
Seed needs phosphorus amount Cm as dependent variable, and crop target output Ym and fertilizer phosphorus input amount Pm are as quantitative data, generation
Enter soil available phosphorus element horizontal forecast model.
As a preferred mode, in the step 1 when long-term all applications chemical fertilizer, soil available phosphorus transformation efficiency D
Are as follows: 0.42, when chronic administration organic fertilizer and chemical fertilizer, soil available phosphorus transformation efficiency D is 0.50；
Every production 1Kg wheat seed needs the range of phosphorus amount Cm are as follows: 0.0045~0.0065kg, every production 1Kg Corn Seeds
Grain needs the range of phosphorus amount Cm are as follows: 0.004~0.0045kg；
When long-term all applications chemical fertilizer, the range of initial available phosphorus content Olsen-Pi are as follows: 5.4mg/kg~34mg/kg,
When chronic administration organic fertilizer and chemical fertilizer, the range of initial available phosphorus content Olsen-Pi are as follows: 5.4mg/kg~66mg/kg.
As a preferred mode, the acquisition methods of the data in the step 2 are the following steps are included: with survey region
Topographic map, present landuse map and soil types distribution map are auxiliary information, are sampling principle, knot with representative and uniformity
It closes the information such as terrain information and soil types and carries out the laying of soil sampling point, acquired at each sampling point using multiple spot mixed method
To pedotheque, the pedotheque is detected, obtains the initial available phosphorus content Olsen-Pi of soil and measurement point
Set impact factor.
As a preferred mode, the setting impact factor in the step 2 includes soil parent material, the soil texture, soil
Earth structure, soil types and physiographic factor.
As a preferred mode, the physiographic factor includes in terrain type, weather category and geological type
At least one.
Promoting for the horizontal prediction model of soil available phosphorus element of the present invention can be the real-time, fast of development regional soil property
Fast, efficient spatial distribution prediction provides core parameter.
Prediction model is verified using third party's data.
Case 1:
Table -2006 years 1. nineteen eighty-threes Countryside of Henan Province statistical yearbook our province grain yield data and Phosphorus Fertilizer Rates data
- 2008 years 2005 43, Henan Province data of monitoring point of 2. Ministry of Agriculture's farmland quality monitoring net of table
With Countryside of Henan Province statistical yearbook our province grain yield data and Phosphorus Fertilizer Rates data since nineteen eighty-three, the mould has been utilized
Type calculates prediction, and the whole province's soil available phosphorus numerical value in 2006 is 14.6mg/kg, Ministry of Agriculture's farmland quality monitoring net 2005-
43, Henan Province monitoring point monitoring average value is 13.6mg/kg within 2008, and the two is almost the same.
Case 2:
- 2014 years 3. 2007 years Countryside of Henan Province statistical yearbook our province grain yield data of table and Phosphorus Fertilizer Rates data
- 2014 years 2012 52, Henan Province data of monitoring point of 4. Ministry of Agriculture's farmland quality monitoring net of table
Utilize -2014 years 2007 Countryside of Henan Province statistical yearbook our province grain yield data and Phosphorus Fertilizer Rates data, benefit
Calculating the whole province's soil available phosphorus predicted value in 2014 with the model is 21.2mg/kg, Ministry of Agriculture's farmland quality monitoring net 2012-
52, Henan Province monitoring point actual monitoring average value is 22.4mg/kg within 2014, and the two is almost the same.
Table 5. verifies predicted value and actual measured value accuracy with multi-data source
Claims (5)
1. a kind of detection method for the prediction model that soil available phosphorus element is horizontal, which comprises the steps of:
Step 1: establishing the expression formula of the horizontal prediction model of soil available phosphorus element: Olsen-P=Olsen-Pi+D × (Pm-Cm
×Ym)×t；In formula: Olsen-P indicates forecast year available phosphorus content, unit: mg/kg；Olsen-Pi indicates initial available phosphorus
Content, unit: mg/kg；D indicates available phosphorus transformation efficiency；Pm indicates fertilizer phosphorus input amount, unit: kg/ha；Cm indicates every
Production 1kg crop kernel needs phosphorus amount (kg)；Ym indicates crop target output, unit: kg/ha；T indicates the fertilising time limit (year)；
Step 2: obtaining crop target output Ym, the fertilizer phosphorus input amount Pm of several measurement points being distributed in survey region
And the data of the setting impact factor of several measurement points；
Step 3: to set impact factor as explanatory variable, with soil available phosphorus transformation efficiency D and every production 1kg crop seed
Grain needs phosphorus amount Cm, as quantitative data, to substitute into soil as dependent variable, crop target output Ym and fertilizer phosphorus input amount Pm
The effective phosphorus element horizontal forecast model of earth.
2. a kind of detection method of prediction model that soil available phosphorus element is horizontal according to claim 1, which is characterized in that
In the step 1 when long-term all applications chemical fertilizer, soil available phosphorus transformation efficiency D are as follows: 0.42, chronic administration organic fertilizer and chemical fertilizer
When, soil available phosphorus transformation efficiency D is 0.50；
Every production 1Kg wheat seed needs the range of phosphorus amount Cm are as follows: 0.0045~0.0065kg, every production 1Kg corn kernel need
Want the range of phosphorus amount Cm are as follows: 0.004~0.0045kg；
When long-term all applications chemical fertilizer, the range of initial available phosphorus content Olsen-Pi are as follows: 5.4mg/kg~34mg/kg, for a long time
When application of organic fertilizers and chemical fertilizer, the range of initial available phosphorus content Olsen-Pi are as follows: 5.4mg/kg~66mg/kg.
3. a kind of detection method of prediction model that soil available phosphorus element is horizontal according to claim 1, which is characterized in that
The acquisition methods of data in the step 2 are the following steps are included: with survey region topographic map, present landuse map and soil
Map of Distributions of Types is auxiliary information, is sampling principle, the information such as Combining with terrain information and soil types with representative and uniformity
The laying of soil sampling point is carried out, pedotheque is collected using multiple spot mixed method at each sampling point, to the pedotheque
It is detected, obtains the setting impact factor of the initial available phosphorus content Olsen-Pi of soil and measurement point.
4. a kind of detection method of prediction model that soil available phosphorus element is horizontal according to claim 1, which is characterized in that
Setting impact factor in the step 2 include soil parent material, the soil texture, soil texture, soil types and physical geography because
Son.
5. a kind of detection method of prediction model that soil available phosphorus element is horizontal according to claim 1, which is characterized in that
The physiographic factor includes at least one of terrain type, weather category and geological type.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111642209A (en) * | 2020-06-19 | 2020-09-11 | 内蒙古农业大学 | Potato phosphate fertilizer limiting method based on agronomic and environmental threshold algorithm |
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| CN111642209A (en) * | 2020-06-19 | 2020-09-11 | 内蒙古农业大学 | Potato phosphate fertilizer limiting method based on agronomic and environmental threshold algorithm |
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Application publication date: 20190712 |