Exact(6)
He concluded that "164 pounds of wood, barks, and roots arose out of water only," and he had not even included the weight of the leaves that fell off every autumn.
The yield of dried extract was 15.58 % of the starting dry weight of the leaves.
Plants were then sampled to measure shoot dry weight (SDW), adding the dry weight of the leaves collected for sugar content analyses.
The fresh weight of the leaves was 0.79 ± 0.03 and 0.86 ± 0.04 g in C and N plants, respectively.
Leaf relative water content (RWC) was determined according to the method of Barrs and Weatherley and was based on the following formula: RWC = (FW − DW /(TW − DW) × 100, where FW is leaf fresh weight, DW (dry weight) is the weight of the leaves after drying at 85 °C for 3 days, and TW (turgid weight) is the weight of the leaves after soaking them in distilled water for 24 h at 20 °C.
Using the weight of the leaves collected, the following formula was used to calculate the total leaf biomass per individual: (dried leaf weight/number of leaves collected) × (total number of leaves on the plant) This leaf biomass was used to account for plant size in statistical analysis.
Similar(54)
C. maculosa is known to accumulate the sesquiterpene lactone, cnicin, at concentrations approaching 2% of dry weight on the leaves of the inflorescence stem [ 37].
Right ventricular hypertrophy (RVH) was assessed by measuring the weight of the RV free wall and expressing this as a ratio of the weight of the left ventricle together with the septum (LV + S).
Plant height and crown diameter, dry weights of the leaves and roots and fresh weights of the leaves and roots were measured at the end of the experiment.
To measure dry weight, the plants were harvested from four group pots and fresh weights of the leaves were determined.
The weights of the leaves were recorded at different time points after detachment and the average water loss ratio was calculated by comparing with the initial weights.
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