DB21/T 3737-2023 Technical regulations for the scientific use of pesticides for the prevention and control of main pests and diseases in pear orchards (English Version)
Liaoning Provincial Standard of the People's Republic of China
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DB21/T 3737-2023
DB21/T 3737-2023 history
2023DB21/T 3737-2023 Technical regulations for the scientific use of pesticides for the prevention and control of main pests and diseases in pear orchards