Heilongjiang Provincial Standard of the People's Republic of China
Latest
DB23/T 2531-2019
Scope
This standard specifies the site selection and preparation, seedling preparation, planting, field management, and major pest and disease control for Irisscariosa cultivation. This standard applies to the cultivation of Iris bractata.
DB23/T 2531-2019 history
2019DB23/T 2531-2019 Cultivation technical regulation of Iris membranaceus