Research Article
Effects of Different Nanoscale Microelement-Containing Formulations for Presowing Seed Treatment on Growth of Soybean Seedlings
Table 1
Nutrient formulations for presowing soybean seed treatment.
| N | Formulations | Nutrient doses (mg/kg of seed) | F1 | F2 | F3 | F4 | F5 | F6 |
| I | Macronutrients | 0 | 0 | 0 | 0 | 0 | 187.6 | 1 | Urea | 0 | 0 | 0 | 0 | 0 | 45.0 | 2 | P2O5 | 0 | 0 | 0 | 0 | 0 | 76.5 | 3 | K2O | 0 | 0 | 0 | 0 | 0 | 60.0 | 4 | CaO | 0 | 0 | 0 | 0 | 0 | 0.8 | 5 | S | 0 | 0 | 0 | 0 | 0 | 5.3 |
| II | Nano microelements | 0 | 3.3 | 3.3 | 0.165 | 0.165 | 33.3 | 1 | Fe | 0 | 0 | 0 | 0 | 0 | 7.5 | 2 | Cu | 0 | 0 | 0 | 0 | 0 | 3.8 | 3 | Co | 0 | 0.3 | 0.3 | 0.165 | 0.165 | 0 | 4 | Zn | 0 | 0 | 0 | 0 | 0 | 18.8 | 5 | Mn | 0 | 0 | 0 | 0 | 0 | 2.3 | 6 | B | 0 | 0 | 0 | 0 | 0 | 0.8 | 7 | Mo | 0 | 3 | 3 | 0 | 0 | 0.1 |
| III | Biostimulants | 0 | 0 | 0.2 | 0 | 0.2 | 2.6 | 1 | Auxin (NAA, 46%) | 0 | 0 | 0.15 | 0 | 0.15 | 0.3 | 2 | GA3 (50%) | 0 | 0 | 0.05 | 0 | 0.05 | 0.1 | 3 | Amino acids (50%) | 0 | 0 | 0 | 0 | 0 | 2.2 |
|
|
Microelements are in the form of Me n+-EDTA complexes. |