This standard stipulates the levels and classification principles of low temperature and rainy dis sters during the sowing and seedling rais ng period of early rice in early rice planting areas. This standard applies to monitoring, forecasting, warning, service, evaluation and scientific research on low temperature and rainy weather in early rice growing areas.
QX/T 98-2008 history
2008QX/T 98-2008 Grade of cold and rainy weather during the seeding-raising stage of early rice