Open Access
Tableau 3
Équations de régression linéaire ou quadratique pour les concentrations en Cd et Zn mesurées dans le grain.
Linear and quadratic regression equations for concentration of Cd and Zn in seed.
| Modèles | R2 | R2 ajusté | p-value |
|---|---|---|---|
| Régression linéaire | |||
| CdGrain = 0,057 + 0,019 Cd | 35,7 | 32,8 | Cd = 0,002 |
| CdGrain = 0,059 + 0,012 Cd | 34,4 | 31,4 | Cd = 0,003 |
| ZnGrain = 20 + 0,26 Zn | 73,3 | 72,2 | Zn = 0,000 |
| ZnGrain = 19 + 0,05 Zn | 64,8 | 63,5 | Zn = 0,000 |
| ZnGrain = 0,23 − 0,35 Pb + 24 Cd + 0,064 Mn + 0,22 Pb − 12 Cd + 21 Fe − 0,14 Mg | 97,3 | 96,4 | Cd − Cd − Fe − Mg = 0,000 |
| Pb = 0,001 | |||
| Pb = 0,002 | |||
| Mn = 0,003 | |||
| Régression quadratique | |||
| CdGrain = 0,041 + 0,049 Cd − 0,007 Cd2 | 42,0 | 36,4 | |
| CdGrain = 0,042 + 0,034 Cd − 0,004 Cd2 | 42,8 | 37,3 | |
| ZnGrain = 16 + 0,558 Zn − 0,003 Zn2 | 81,5 | 80,1 | |
| ZnGrain = 11 + 0,159 Zn − 0,0002 Zn2 | 78,0 | 76,3 | |
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