Table 4 ANOVA table for the main and interaction effects of tillage, year, and N rate on the concentration of total manganese (Mn), copper (Cu), zinc (Zn), iron (Fe), and boron (B) in wheat grain and straw.
From: Micronutrients decline under long-term tillage and nitrogen fertilization
Source of variation | Manganese | Copper | Zinc | Iron | Boron |
|---|---|---|---|---|---|
Wheat Straw | |||||
Tillage (T) | 0.25 | 0.03 | 0.69 | 0.02 | <0.01 |
Year (Y) | <0.01 | <0.01 | <0.01 | <0.01 | <0.01 |
N rate (N) | <0.01 | 0.94 | 0.61 | 0.15 | 0.12 |
T x Y | 0.76 | <0.01 | 0.94 | <0.01 | <0.01 |
N x Y | 0.96 | 0.91 | 0.72 | 0.15 | 0.43 |
T x N | 0.43 | 0.35 | 0.95 | 0.45 | 0.16 |
T x N x Y | 0.55 | 0.09 | 0.98 | 0.97 | 0.26 |
Wheat Grain | |||||
Tillage (T) | 0.67 | 0.86 | 0.31 | 0.91 | 0.13 |
Year (Y) | 0.01 | <0.01 | <0.01 | <0.01 | <0.01 |
N rate (N) | 0.03 | 0.58 | 0.58 | 0.86 | 0.37 |
T x Y | 0.71 | 0.41 | 0.69 | 0.55 | 0.11 |
N x Y | 0.45 | 0.56 | 0.71 | 0.81 | 0.78 |
T x N | 0.37 | 0.89 | 0.61 | 0.87 | 0.52 |
T x N x Y | 0.27 | 0.88 | 0.56 | 0.83 | 0.76 |
