TABLE 2.

Root morphological traits in soybean as affected by biochar and AMF under drought condition.

Treatments	Total root length (cm)	Projected area (cm2)	Root surface area (cm2)	Root volume (cm3)	Root diameter (mm)
Control	109.54 ± 12.72	14.57 ± 0.96	5.66 ± 0.29	0.88 ± 0.03	0.48 ± 0.01
Biochar	171.76 ± 1.53*	18.40 ± 0.5*	8.77 ± 0.94*	1.19 ± 0.02**	0.70 ± 0.01*
AMF	139.57 ± 13.77*	17.27 ± 0.11*	7.50 ± 0.08*	0.96 ± 0.01*	0.59 ± 0.06*
Biochar + AMF	177.44 ± 5.75**	19.74 ± 0.99**	9.44 ± 0.81**	1.63 ± 0.07**	0.83 ± 0.03**

Data are means of three replicates (n = 3). Asterisk differed significantly at *P < 0.05, **P < 0.01, ***P < 0.001.