A Novel Sensor for Noninvasive Detection of In Situ Stem Water Content Based on Standing Wave Ratio

Table 2

Formula of solutions with different electric conductivities (ECs).

Parameter	Value
Water content (kg)	1	1	1	1	1	1	1	1	1	1
Salt content (g)^1	0.00	1.00	2.08	3.20	4.32	5.44	6.61	7.82	9.03	10.25
EC (mS·cm^-1)	0.53	2.44	4.32	6.15	7.72	8.64	10.37	12.3	13.45	16.00

¹The content of NaCl is more than 99.1%.