GB/T 14551-1993
Replaced
T/SDAS 527-2022
Active
Group standards
T/SDAS 527-2022 The nitrogen fertilizer limit specification for corn season based on groundwater environmental safety
T/SDAS 527-2022 The nitrogen fertilizer limit specification for corn season based on groundwater environmental safety
Price:
$ 30
Basic Information
Standard Code:
T/SDAS 527-2022
Standard Type:
Group standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
-
ICS Name:
Integrated agriculture and forestry
Publish Date:
2022-12-13
Implement Date:
2022-12-27
Scope
Main technical content: This document adopts the recommended calculation method of nitrogen application based on the threshold value of groundwater environmental safety, as well as technical requirements such as the principles and methods of nitrogen fertilizer application. This document is applicable to corn cultivation in different corn-growing regions of China to ensure the safety of the groundwater environment.
Development Information
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