This standard specifies the guidelines for the rational use of 50 pesticides on 17 crops. This standard applies to the prevention and control of crop diseases, insects and weeds.
GB 8321.4-1993 history
2006GB/T 8321.4-2006 Guideline for safety application of pesticides (IV)
1993GB 8321.4-1993 Guideline for safety application of pesticides (Ⅳ)
GB 8321.4-1993 Guideline for safety application of pesticides (Ⅳ) was changed to GB/T 8321.4-2006 Guideline for safety application of pesticides (IV).