General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
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GB/T 17980.40-2000
Scope
This standard specifies the methods and basic requirements for field trials of herbicides for the control of weeds in paddy fields. This standard is applicable to the registration of herbicides for the control of weeds in upland rice (dry sowing), transplanting rice (including conventional transplanting and throwing seedlings), direct-seeding rice (water sowing, dry sowing with water pipes) and seedling fields (dry seedlings, water seedlings) Efficacy and safety evaluation of field efficacy plots. Other field efficacy tests shall be carried out with reference to this standard.
GB/T 17980.40-2000 history
2000GB/T 17980.40-2000 Pesticide-Guidelines for the field efficacy trials(I)-Herbicides against weeds in rice