GB/T 6001-1985
Active
GB/T 32771-2016
Active
National standards
GB/T 32771-2016 Tree seedling quality grading of Betula platyphylla Suk.
GB/T 32771-2016 Tree seedling quality grading of Betula platyphylla Suk.
Basic Information
Standard Code:
GB/T 32771-2016
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Seeds, seedlings, and nurseries
ICS Name:
\nGreening and afforestation
Publish Date:
2016-06-14
Implement Date:
2017-01-01
Pages:
8 pages
Scope
This standard specifies the terminology and definitions, grading requirements, and test methods for birch forestry seedlings, as well as inspection rules. This standard is applicable to the establishment of fast-growing and high-yielding forests in areas suitable for birch cultivation.
Development Information
Referenced Standards
Related Standards
GB/T 14071-1993
Replaced
GB/T 14071-1993 The standard of examination and approval of improved varieties of forest tree
GB/T 14072-1993
Active
GB/T 14072-1993 Conservation principle and method of germplasm resources of forest trees
GB/T 14073-1993
Abolished
GB/T 14073-1993 Selection and breeding of procedure and request of the main broadleaf trees improved variety
GB/T 14175-1993
Active
GB/T 14175-1993 Introduction of exotic forest trees
GB/T 15162-1994
Replaced