Clothianidin is drenched at planting to manage the termites of sugarcane. The application of organic manures at planting is also in vogue to conserve the soil moisture in the tropical ecosystem. Hence, the persistence behaviour of clothianidin was studied in the sandy clay loam soil of tropical sugarcane ecosystem under different organic manuring. The clothianidin residues persisted up to 90th DAT and reached below the limit of quantification (LOQ = 0.005 µg/g) on 105th DAT both in the manurial and non-manurial soils. The half-lives of clothianidin were in the range of 22.4–24.8 days in the manurial soils as against 21 days in the non-manurial soil, indicating the insignificant positive impact of organic manures on the soil persistence of clothianidin. The clothianidin residues in the soil were predicted to pose unacceptable to medium level of risk to earthworms during the course of its dissipation in the tropical sugarcane environment.

种植噻菌胺时要浸透，以管理甘蔗的白蚁。有机肥料在种植中的应用也正在流行，以保护热带生态系统中的土壤水分。因此，研究了在有机施肥条件下，可尼丁在热带甘蔗生态系统的砂质壤土中的持久性。在粪便和非粪便土壤中，可尼丁残留持续至第90天DAT，并低于第105天DAT的定量极限（LOQ = 0.005 µg / g）。在肥料土壤中，可尼丁的半衰期在22.4至24.8天之间，而在非肥料土中，半衰期为21天，这表明有机肥料对可尼丁的土壤持久性的影响不显着。