GB/T 14551-1993
Replaced
GB/T 21439-2008
Active
National standards
GB/T 21439-2008 Assessment for the status of rangeland health
GB/T 21439-2008 Assessment for the status of rangeland health
Basic Information
Standard Code:
GB/T 21439-2008
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nLivestock husbandry
ICS Name:
Integrated agriculture and forestry
Publish Date:
2008-02-01
Implement Date:
2008-04-01
Pages:
13 pages
Scope
This standard specifies the indicators and methods for evaluating the health of grasslands. This standard is applicable to the grading and evaluation of the health of grasslands.
Development Information
Referenced Standards
SL 277-2002
TD/T 1004-2003 Regulations for classification on agricultural land
TD/T 1005-2003 Regulations for gradation on agricultural land
NY/T 1121.6-2006 Soil testing Part 6: Determination of soil organic matter
NY/T 1233-2006 The Specification for Monitoring Technologies for Grassland Resources and Ecology
Related Standards
GB/T 15549-1995
Replaced
GB/T 15549-1995 Sensory analysis—Methodology—Initiation and training of assessors in the detection and recognition of odours
GB/T 15790-1995
Replaced
GB/T 15790-1995 Rules for investigation and forecast of the rice blast [Pyricularia oryzae (Cavara)]
GB/T 15792-1995
Replaced
GB/T 15792-1995 Rules for investigation and forecast of the rice stem borer [Chilo suppressalis (Walker)]
GB/T 15794-1995
Replaced
GB/T 15794-1995 Rules for investigation and forecast of the brown planthopper(Nilaparvata lugens Stal) and the white-backed planthopper(Sogatalla furcifera Horvath)
GB/T 16453.1-1996
Replaced