The Biotron prepares a modified Hoagland's half-strength solution for use in all plant research areas. The table below shows the various element concentrations for our plant nutrient solution.
| Element | mg/l | mmol/l | meq/l | ppm |
|---|---|---|---|---|
| Ca | 100.3 | 2.5 | 5.0 | 100.2 |
| Cl | 18.1 | 0.5 | 0.5 | 18.1 |
| Fe | 5.0 | 0.09 | 0.27 | 5.0 |
| Mg | 24.2 | 1.0 | 2.0 | 31.97 |
| N | 104.9 | 7.5 | 7.5 | 104.9 |
| P | 15.55 | 0.5 | 0.5 | 15.50 |
| S | 32.0 | 1.0 | 2.0 | 32.0 |
| mg/l | µmol/l | µeq/l | ppm | |
| B | 0.25 | 23 | 23 | 0.25 |
| Cu | 0.010 | 0.16 | 0.32 | 0.010 |
| Mn | 0.251 | 4.57 | 9.15 | 0.25 |
| Mo | 0.0053 | 0.055 | 0.33 | 0.005 |
| Zn | 0.025 | 0.38 | 0.76 | 0.025 |
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