TABLE 1.

Physiochemical properties of biochar and soil used in the experiment.

Parameters	Maize straw biochar	Soil
pH	8.60	8.64
EC (mS cm–1)	3.78	2.94
Total N (g kg–1)	0.14	0.37
Total K %	17.30	–
Total P %	0.19	0.77
Total C (g kg–1)	6.70	3.71
Organic matter %	–	6.40
Available P mg kg–1	–	161.08
Available K mg kg–1	–	117.60
Total Cd mg kg–1		0.61

EC, electrical conductivity; N, nitrogen; K, potassium; P, phosphorous; C, carbon; Cd, cadmium.