Parameter Optimization of a Potted Seedling Tray Prepared from a Mixture of Rice Straw and Fermented Cow Manure Using the Response Surface Methodology.

According to the results of ANOVA, x 1 , x 2 , x 4 , x 1 x 3 , x 1 x 4 , x 2 x 3 , x 3 x 4 , x 1 2 , x 2 2 , and x 4 2 were extremely significant items ( p < 0.01), and x 1 x 2 was the significant item ( p < 0.05).

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