Research Article

Film Properties, Water Retention, and Growth Promotion of Derivative Carboxymethyl Cellulose Materials from Cotton Straw

Figure 6

WH (a) and WR of DCMC materials with different concentrations of 4.00 g/m2 (b), 8.00 g/m2 (c), and 12.00 g/m2 (d). Different letters in the graph indicate a significant difference at the level, the same as below.
(a)
(b)
(c)
(d)