Table 1.
Analysis of variance (ANOVA) of effects of soil N and Zn applications on shoot dry matter, Zn, Fe and Se concentration and Zn, Fe and Se uptake in 25-days old plants a,b.
| Source of Variation (Treatments) |
df | Shoot Dry Matter |
Shoot Zn Concentration | Shoot Zn Uptake |
Shoot Fe Concentration | Shoot Fe Uptake | Shoot Se Concentration | Shoot Se Uptake | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SS | F Pr | SS | F Pr | SS | F Pr | SS | F Pr | SS | F Pr | SS | F Pr | SS | F Pr | ||
| Soil N (A) | 1 | 0.047 | 0.461 | 332.3 | <0.001 | 3802.4 | <0.001 | 6088.3 | <0.001 | 67,088 | <0.001 | 0.0463 | 0.586 | 0.221 | 0.703 |
| Soil Zn (B) | 1 | 1.981 | <0.001 | 1539.2 | <0.001 | 19,448.5 | <0.001 | 1838.8 | <0.001 | 6056 | 0.039 | 0.0019 | 0.911 | 0.192 | 0.722 |
| A × B | 1 | 0.058 | 0.749 | 34.2 | 0.172 | 564.7 | 0.093 | 41.5 | 0.576 | 32 | 0.878 | 0.0299 | 0.661 | 0.342 | 0.635 |
| Experimental error | 44 | 3.756 | 783.6 | 8472.5 | 5752.5 | 59400 | 6.7965 | 66.2 | |||||||
a Data of 25 days old maize (Zea mays) plants grown under greenhouse conditions. b ANOVA test values: df, SS and F Pr.