GB/T 23391.1-2009
China national
standard english version:
GB
中华人民共和国国家标准
NATIONAL
STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA
GB/T 23391.1-2009
Technical specification for control of northern corn leaf blight,southern corn leaf blight and asian corn borer - Part 1: Northern corn leaf blight 玉米大、小斑病和玉米螟防治技术规范 第1部分:玉米大斑病
Issued Date:2009-03-27
Implemented Date:2009-10-01
Issued by:
The Standardization Administration of the People's Republic of China