Table 3.

Variance analyses of effects of biochar, T. diversifolia and urea and their interactive effects on soil aggregate properties (LM large macro-aggregates; SM small macro-aggregates; M micro-aggregates; S + C silt and clay).

Factor	LM		SM		M		S + C		Total C
	F	P	F	P	F	P	F	P	F	P
B	0.06	0.805	0.0	0.946	1.0	0.332	0.0	0.974	12.31	0.001a
T	0.25	0.782	0.2	0.847	0.68	0.520	9.1	0.002a	1.75	0.176
U	0.04	0.853	10.2	0.005a	0.12	0.734	31.5	0.000a	2.84	0.093
B × T	1.89	0.178	0.0	0.960	0.69	0.513	1.6	0.225	0.16	0.856
B × U	0.00	0.990	0.2	0.682	0.88	0.360	0.0	0.848	0.17	0.679
T × U	0.43	0.659	1.0	0.404	0.59	0.568	9.0	0.002a	0.08	0.926
B × T ×  U	1.85	0.184	5.0	0.019a	7.1	0.006*	17.0	0.000a	0.19	0.827

^aValues in bold are statistically significant.