Foliar Water Uptake of Tamarix ramosissima from an Atmosphere of High Humidity

Table 2

Accumulated sap flow of T.  ramosissima for treatment and control groups during the daytime and nighttime under different weather conditions in July.

Weather	Date	Sap flow of treatment group (g cm^−2)				Sap flow of control group (g cm^−2)
		Daytime		Nighttime		Daytime		Nighttime
		Positive	Negative	Positive	Negative	Positive	Negative	Positive	Negative
Shower, cloudy	18th	90.27	0.00	9.53	1.20	83.63	0.00	11.82	0.00
Sunny	19th	203.96	0.00	18.85	1.97	162.07	0.00	16.19	0.00
Mostly clear	20th	196.87	0.00	11.65	13.47	152.25	0.00	18.95	0.00
Mostly clear	21st	185.21	0.00	10.84	0.37	149.73	0.00	15.38	0.00
Mostly clear	22nd	210.09	0.00	9.96	2.97	156.57	0.00	15.46	0.00
Sunny	23rd	210.64	0.00	10.70	13.14	170.12	0.00	7.09	0.80
Cloudy	24th	141.85	0.00	11.11	0.12	83.99	0.00	9.53	0.12
Rainy	25th	114.78	0.00	9.79	3.86	84.48	0.00	5.57	3.91
Rainy	26th	0.00	10.8	0.00	17.04	0.00	8.59	0.00	16.26
Rainy	27th	46.48	2.44	1.42	11.06	12.51	3.69	0.00	14.19
Cloudy	28th	175.14	0.00	6.50	11.28	121.22	0.00	6.79	2.06

Note: the daytime is from 7 am to 7:30 pm; the rest of the time is the nighttime.