Availability and Plant Uptake of Biosolid-Borne Metals

Table 6

P concentration of six plant species grown on sand media amended, without biosolids (Standard), with biosolids, and with phosphate rock^†.

Plant	Treatment	Shoot	Root
		mg kg^−1
Chickpea	Standard	1,260^c	922.0^c
	Biosolids	2,044^b	1,137^b
	Phosphate rock	2,580^a	1,513^a
Rape	Standard	1,743^c	1,564^c
	Biosolids	2,189^b	2,203^b
	Phosphate rock	3,354^a	2,707^a
Swiss chard	Standard	1,753^c	1,372^c
	Biosolids	2,141^a	3,261^a
	Phosphate rock	2,029^a	2,631^b
Corn	Standard	1,198^a	707.0^b
	Biosolids	1,192^a	763.0^a
	Phosphate rock	638.0^b	556.0^c
Sudan grass	Standard	1,088^b	676.0^b
	Biosolids	1,138^a	814.0^a
	Phosphate rock	756.0^c	553.0^c
Durum wheat	Standard	1,744^b	956.0^b
	Biosolids	2,537^a	1,716^a
	Phosphate rock	783.0^c	638.0^c

†The differences of the P concentrations among the treatments for each plant were tested by one-way ANOVA. In each column of each plant and among treatments, values followed by same lowercase letter were not significantly different at 𝑃<0.05.