QX/T 456-2018 in English
VALIDGrades for first-frost date
- Issued on:2018-11-30
- Implemented on:2019-03-01
- File Format:PDF
- Delivery:Via email within 5 business days
$485.00
Scope
This standard specifies the first frost date and its early and late classification. This standard is applicable to the monitoring, forecasting, prediction and impact assessment of the first frost date and other operations as well as scientific research.

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