This standard specifies the definition, indicators and calculation methods, grade classification, grade naming and usage methods of rice and corn chilling damage. This standard is applicable to the investigation, statis ics, early warning and assessment of chilling damage to rice and corn in rice-producing areas across the country and corn-producing areas in Northeast China.
QX/T 101-2009 history
2009QX/T 101-2009 Grade of chilling damage for rice and maize