Effect of Biochar Application on Physicochemical and Hydraulic Properties of Loess

Table 2

Effect of biochar content on physical and chemical properties of soil.

Biochar application (g/kg)	Relative particle density	Plastic limit (%)	Liquid limit (%)	Plastic index	pH value
0	2.71	20.68	36.30	15.62	8.63
2	2.62	20.91	37.14	16.23	8.63
5	2.45	20.96	37.90	16.94	8.64
10	2.37	21.33	38.64	17.31	8.67
15	2.29	21.73	39.36	17.63	8.68
20	2.20	22.17	40.61	18.44	8.71