. Carnegie Institution of Washington publication. SOIL MOISTURE AND TO EVAPORATION. 55 manner as that used in the previous experiment, in figure 10. As in Experiments I and IV, a periodic fluctuation in the rate of relative trans- piration is shown, the low period being in the night and the high period in the day. During the record of the experiment only a single unquestionable maximum is shown. This has a rate of relative trans- piration of at 6''30m , and occurs with a temperature of 79° FIG. 10.—Curve of relative transpiration for a second plant of Tribulus, August 13-15, 1904
. Carnegie Institution of Washington publication. SOIL MOISTURE AND TO EVAPORATION. 55 manner as that used in the previous experiment, in figure 10. As in Experiments I and IV, a periodic fluctuation in the rate of relative trans- piration is shown, the low period being in the night and the high period in the day. During the record of the experiment only a single unquestionable maximum is shown. This has a rate of relative trans- piration of at 6''30m , and occurs with a temperature of 79° FIG. 10.—Curve of relative transpiration for a second plant of Tribulus, August 13-15, 1904. and an evaporation rate of gram. Two minima are shown on the curve, one indeterminate from the curve's form, but probably to be considered as in the vicinity of 9h30ra , with a relative transpiration rate of , a temperature of 75° F., and an evaporation rate of gram, the other at 9 , with relative transpiration rate of , temperature of 79° F., and evaporation rate of gram. It is to be noticed that in the night of August 13-14 the minimum tern-. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Carnegie Institution of Washington. Washington, Carnegie Institution of Washington
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