This lecture will present studies on the test method for managing the pesticide residue in rotational crop based on the potentiality that the pesticide used in the primary crop can be absorbed and transferred into the secondary crop when remained in t...
This lecture will present studies on the test method for managing the pesticide residue in rotational crop based on the potentiality that the pesticide used in the primary crop can be absorbed and transferred into the secondary crop when remained in the soil where different crops are succeedingly grown under greenhouse conditions. For this, the lecture will present the results on the pesticide residue in rotational crops after performed the research according to the OECD guidelines. In addition, the lecture will suggest PBI (Plant Back Interval), which is the period between before sowing (seeding) the secondary crop and after harvesting the primary crop as a strategy for managing pesticide residues in the soil where the primary crop is grown. The lecture will present the results on the effect of biomass as a way to reduce PBI and to decrease the residual amount of pesticide possibly absorbed and transferred into the secondary crop. The results presented in this lecture were from the research enforcedly performed at a level higher than the annual applied concentration (called 'Extreme Case') in order to maximize the possibility that the pesticide in the soil can be absorbed and transferred into the secondary crop. It is particularly emphasized that the results included in the lecture may differ from actual agricultural field conditions.