Potential for Lead Release from Lead-Immobilized Animal Manure Compost in Rhizosphere Soil of Shooting Range

Table 6

Computed values of the pseudo-second-order rate constant () and initial lead dissolution rate ().

Plant	pH	(mg kg^−1)	(kg (mg min)^−1) (10^−4)		h; (mg (kg min)^−1)
Buckwheat	3	670	0.870	0.948	39
	4	402	1.72	0.962	28
	5	236	2.73	0.968	15
	6	120	4.70	0.944	7
	7	44	14.2	0.913	3
Guinea grass	3	651	1.55	0.979	66
	4	309	3.53	0.984	34
	5	86	21.0	0.982	16
	6	28	61.0	0.986	5
	7	17	79.9	0.944	2
No plant	3	643	1.53	0.979	64
	4	244	8.47	0.982	50
	5	54	74.1	0.998	21
	6	17	42.7	0.847	1
	7	11	149	0.934	2