Table 4.

Pollution load index (PLI and NIPI) at Landmark University farm.

Toxic elements	Pollution load index (PLI)	Nemerow integrated pollution index (NIPI)	Interpretation
As	2.12	0.93	Unpolluted to Moderate Pollution
Cd	0.18	0.21	Unpolluted
Co	0.42	0.79	Unpolluted
Cr	0.71	0.79	Unpolluted
Cu	0.83	0.91	Unpolluted
Ni	0.46	0.53	Unpolluted
Mn	0.71	0.71	Unpolluted
Pb	1.36	2.33	Moderate Pollution
Zn	0.58	1.64	Unpolluted to Moderate Pollution