GB 12340-1990
Replaced
GB/T 28407-2012
Active
National standards
GB/T 28407-2012 Regulation for gradation on agriculture land quality
GB/T 28407-2012 Regulation for gradation on agriculture land quality
Basic Information
Standard Code:
GB/T 28407-2012
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Geodetic and oceanographic mapping
ICS Name:
Astronomy, geodesy, and geography
Publish Date:
2012-06-29
Implement Date:
2012-10-01
Pages:
317 pages
Scope
This standard stipulates the general principles of the quality grading of agricultural land, preparation work and data organization, supplementary field surveys, standard farming systems and benchmark crops, division of grading units, evaluation of agricultural land quality grades, establishment of standard sample plot systems, and compilation, acceptance, updating, archiving, and application of results, etc.
This standard is applicable to existing agricultural land and unused land suitable for farming within county-level administrative regions.
Development Information
Referenced Standards
Related Standards
GB 12341-1990
Replaced
GB 12341-1990 1:25000, 1:50000 and 1:100000 topographic maps—Specifications for aerophotogrammetric field work
GB/T 13605-1992
Abolished
GB/T 13605-1992 Coordinatograph
GB/T 13977-1992
Replaced
GB/T 13977-1992 Specifications for aerophotogrammetric field work 1:5000, 1:10000 topographic maps
GB/T 13989-1992
Replaced
GB/T 13989-1992 Subdivision and numbering for the national primary scale topographic maps
GB/T 13990-1992
Replaced