Table 10.
Models obtained by regressing “step by step”.
| Explained variable |
Independent variable |
Equation | R2 corrected | SE |
|---|---|---|---|---|
| GI | PCC | GI = −7.821** + 0.040*** · cellulose |
69.60*** | 0.79801 |
| P2 | PCC + GI | P2 = 11.370* + 5.980** · GI | 66.90** | 5.94030 |
| Nº mushrooms | PCC + QPP (- BE) | Nº mushrooms = −109.230*** + 0.460*** · cellulose Nº mushrooms = −75.870** + 0.803*** · cellulose – 0.423* · CFi |
78.50*** 87.10*** |
7.24998 5.62906 |
| UW | PCC + QPP (- BE) | UW = 43.427*** – 2.037** · CFa | 64.60** | 6.00518 |
| BE | PCC | BE = 87.472*** – 5.298*** · CFa | 74.40*** | 12.48666 |
R2, determination coefficient (%); SE, standard error of the estimate.
Physicochemical characteristics of substrate (PCC): pH (aq. 1:5, w/w), total nitrogen (g/kg, odm), ash (g/kg, odm), C/N ratio, crude fiber (CFi; g/kg, odm), crude fat (CFa; g/kg, odm), nitrogen free extractives (NFE; g/kg, odm), hemicellulose (g/kg, odm), cellulose (g/kg, odm), lignin (g/kg, odm), neutral-detergent soluble (NDS; g/kg, odm), odm, on dry matter.
Index germination, earliness and quantitative production parameters (QPP): germination index (GI), days from inoculation to the formation of the first primordia (P2), days from inoculation to the onset of harvest (P4), n mushrooms (quantity of mushrooms), average unit weight of uncut mushrooms (UW, g), biological efficiency (BE, kg/100 kg of dry substrate).
Significant at 95 % (0.01 < p ≤ 0.05) (*); significant at 99% (0.001 < p ≤ 0.01) (**); significant at 99.9 % (p ≤ 0.001) (***). Regressions include only those whose coefficients accompanying the independent variables are significant, provided that the significance of the model is significant.