Residue Kinetics of Ethofumesate in Texturally Diverse Soils of Sugar Beet Crop under Field Conditions

Table 2

Coefficients of determination (R²), rate of degradation, and half-life for different doses of ethofumesate.

	Sandy loam		Silty clay loam
	2.0 kg·ha^−1	4.0 kg·ha^−1	2.0 kg·ha^−1	4.0 kg·ha^−1
For the first phase (0–10 days)
Rate of degradation (λ)	0.0503	0.0360	0.0738	0.0533
Half-life (t½) days	14.54	20.42	10.09	13.00
Coefficient of regression (R^2)	0.983	0.986	0.985	0.974
For the later phase (10-onward days)
Rate of degradation (λ)	0.0136	0.0108	0.0103	0.0101
Half-life (t½)	51.83	65.21	71.42	73.10
Coefficient of regression (R^2)	0.985	0.978	0.988	0.985