From: Mechanism of nutrition activity of a microgranule fertilizer fortified with proteins
Na+ | K+ | Mg2+ | Ca2+ | \( \mathrm{N}{\mathrm{H}}_4^{+} \) | Cl− | \( \mathrm{N}{\mathrm{O}}_3^{-} \) | \( \mathrm{P}{\mathrm{O}}_4^{3-} \) | \( \mathrm{S}{\mathrm{O}}_4^{2-} \) | |
---|---|---|---|---|---|---|---|---|---|
soil I | 3.5 | 2.9 | 2.3 | 16.4 | 1.7 | 2.2 | 0.9 | – | 106.7 |
soil II | 7.7 | 14.2 | 3.1 | 75.4 | 12.6 | 3.2 | 15.9 | – | 149.1 |
microgranule free of the protein | 3.8 | 1.5 | 0.1 | 0.2 | 0.0 | 0.1 | 0.1 | 0.5 | 2.9 |