This standard specifies the definitions, indicators and calculation methods of winter wheat and rapeseed waterlogging grades, grade classification, grade naming and usage methods. This standard is applicable to the investigation, statis ics, early warning and assessment of waterlogging in winter wheat and rapeseed in southern my country.
QX/T 107-2009 history
2009QX/T 107-2009 Grade of waterlogging for winter wheat and rape