Studies on Dissipations and Residues of Indoxacarb under Different Field and Environmental Conditions

Table 6

Ultimate residues of indoxacarb in paddy soil, rice straw, rice hull, and brown rice (mg/kg).

Region	Dosage (g a. i. ha^−1)	Spraying time	Preharvest interval (days)	Residues of indoxacarb (mg/kg)
				Paddy soil	Rice straw	Rice hull	Brown rice
Beijing	24	3	14	0.004	0.950	1.211	0.046
			21	0.002	1.310	0.831	0.026
			28	0.002	0.810	0.911	0.019
		4	14	0.006	1.320	1.880	0.057
			21	0.002	1.490	0.920	0.099
			28	0.003	1.300	0.990	0.027
	36	3	14	0.009	1.560	1.960	0.065
			21	0.004	1.730	1.130	0.065
			28	0.005	1.650	1.081	0.032
		4	14	0.010	2.240	2.131	0.071
			21	0.011	2.180	1.431	0.072
			28	0.006	1.970	1.191	0.091
Hunan	24	3	14	0.001	0.172	0.016	<LOQ
			21	0.003	0.082	0.018	<LOQ
			28	0.002	0.042	0.010	<LOQ
		4	14	0.005	0.203	0.024	<LOQ
			21	0.002	0.181	0.022	<LOQ
			28	0.002	0.172	0.016	<LOQ
	36	3	14	0.009	0.291	0.034	<LOQ
			21	0.006	0.341	0.026	<LOQ
			28	0.008	0.231	0.021	<LOQ
		4	14	0.010	0.470	0.045	<LOQ
			21	0.011	0.392	0.029	<LOQ
			28	0.011	0.351	0.023	<LOQ
Zhejiang	24	3	14	<LOQ	0.151	0.611	0.019
			21	<LOQ	0.161	0.262	0.016
			28	<LOQ	0.029	0.093	<LOQ
		4	14	0.001	0.211	0.831	0.024
			21	<LOQ	0.219	0.601	0.020
			28	<LOQ	0.069	0.521	0.008
	36	3	14	0.004	0.281	1.372	0.029
			21	0.003	0.221	0.961	0.025
			28	0.001	0.142	0.642	0.014
		4	14	0.022	0.343	1.491	0.047
			21	0.004	0.252	1.321	0.034
			28	0.002	0.241	1.431	0.020