Variation Characteristics of Stem Water Content in Lagerstroemia indica and Its Response to Environmental Factors

Table 3

Correlation between StWC of Lagerstroemia indica and environmental factors.

	Rn	RH	Ws		ST	SMC	StWC
Rn	1
RH	-0.455	1
Ws	0.550	-0.530	1
	0.566	-0.718	0.481	1
ST	-0.033	-0.475	0.405	0.681	1
10 SMC	-0.427	0.739	-0.488	-0.465	-0.194	1
StWC	-0.732	0.505	-0.549	-0.556	-0.141	0.414	1

Rn: total radiation (W·m^-2); RH: air relative humidity (%); Ws: wind speed (m/s); : air temperature (°C); ST: soil temperature (°C); SMC: 15 cm soil moisture content (%); StWC: stem water content(%). Significant correlation at 0.01 level. Significant correlation at 0.05 level.