Interaction between Vetiver Grass Roots and Completely Decomposed Volcanic Tuff under Rainfall Infiltration Conditions

Table 1

In situ measured voltage of moisture probe and corresponding water content.

Sample types	Voltage tested (mv)	Water content (%)	Voltage tested (mv)	Water content (%)
Rooted soil tested in field	454.00	15.10	580.00	17.73
	453.00	15.08	282.00	11.50
	453.00	15.08	236.00	10.54
	453.00	15.08	647.00	19.13
	458.00	15.18	394.00	13.84
	563.00	17.37	436.00	14.72
	453.00	15.08	402.00	14.01
	438.00	14.76	472.00	15.47
	572.00	17.56	433.00	14.66
	452.00	15.05	339.00	12.69
	491.00	15.87	345.00	12.82
	481.00	15.66	336.00	12.63
	597.00	18.08	316.00	12.21
Nonrooted soil tested in field	294.00	11.75	375.00	13.45
	472.00	15.47	385.00	13.65
	397.00	13.90	321.00	12.32
	341.00	12.73