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GB/T 25413-2010: Limit and test method for residual quantity of agricultural mulch film
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 25413-2010 | English | 149 |
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Limit and test method for residual quantity of agricultural mulch film
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GB/T 25413-2010
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Basic data | Standard ID | GB/T 25413-2010 (GB/T25413-2010) | | Description (Translated English) | Limit and test method for residual quantity of agricultural mulch film | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B90 | | Classification of International Standard | 65.040.30 | | Word Count Estimation | 5,544 | | Date of Issue | 2010-11-10 | | Date of Implementation | 2011-03-01 | | Quoted Standard | GB/T 5262 | | Regulation (derived from) | National Standard Approval Announcement 2010 No.8 (Total No.163) | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the mulch in farmland soil residue limits, determination. This standard applies to the determination of residues in agricultural mulch the soil to be broadcast. | GB/T 25413-2010: Limit and test method for residual quantity of agricultural mulch film---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Limit and test method for residual quantity of agricultural mulch film
ICS 65.040.30
B90
National Standards of People's Republic of China
Farmland Plastic Film Residue Limits and measurement
Issued on. 2010-11-10
2011-03-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
The standard proposed by China Machinery Industry Federation.
This standard by the National Standardization Technical Committee (SAC/TC201) Agricultural machinery centralized.
This standard was drafted. Xinjiang agricultural Machinery Testing Station, Xinjiang Agricultural Resources and Environment protection
Nursing station.
The main drafters of this standard. Eagle Zhang, Wang Gang, Shen Yuxi, Wu sound, Gao Yan.
Farmland Plastic Film Residue Limits and measurement
1 Scope
This standard specifies the limits in the determination of mulch farmland soil residues.
This standard applies to the determination of mulch residues in agricultural soils to be broadcast.
2 Normative references
The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent
Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research
Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.
General provisions GB/T 5262 agricultural machinery testing conditions determination method
3 Terms and Definitions
The following terms and definitions apply to this standard.
3.1
Film mulchfilm
Used for crop cultivation covered ground plastic film.
3.2
Plastic Film Residue residualquantityofagriculturalmulchfilm
Soil residues mulch.
4 Plastic Film Residue Limits
To be broadcast Tillage mainland film layer remaining amount limit should not exceed 75.0kg/hm2.
5 measurement method
5.1 Test conditions and measurement
5.1.1 The test shall be subject to the land, after the plastic film to be broadcast to the pick-up process, the area should not be less than 100m × 50m.
5.1.2 Test vegetation, previous crops and cultivation methods determined according to the provisions of GB/T 5262's.
5.2 test area to determine the location and measuring point
5.2.1 Test to the length and width along the direction of the center line, which is divided into four of the randomly selected two diagonal measurements as two zones, each zone is a measure
sample.
5.2.2 measuring point 5-point method, from the measured area four diagonal diagonally were randomly determined 4 in 1/4 to 1/8 diagonal length
Position of the measuring points, plus the intersection of the diagonal as measuring the residual amount of mulch five measurement points.
5.3 determine the size of the measuring point
Each measuring point of the selected area 1m × 1m depth of tillage depth (usually 25cm ~ 30cm).
5.4 Determination of Residual Plastic Film
Length of the two long sides of the survey area five measuring points tillage layer are larger than 2cm residual film fish out, washed with water, place the shade
Cool place to dry, and then use the weighing scales (accuracy not less than 0.01g), according to equation (1) calculate the amount of residual film.
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