Calculate potassium fertilizer recommendation using the Sufficiency and Soil Maintenance and Nutrient balance (SSMN) model based on soil test K and crop removal.
| Constant | Symbol | Value |
|---|---|---|
| Speed of light | c | 2.99792458×10⁸ |
| Planck's constant | h | 6.62607015×10⁻³‴ |
| Boltzmann constant | kʙ | 1.380649×10⁻²³ |
| Avogadro's number | Nₐ | 6.02214076×10²³ |
| Gravitational constant | G | 6.6743×10⁻¹¹ |
| Gas constant | R | 8.31446 |
| Elementary charge | e | 1.602176634×10⁻¹⁹ |
| Electron mass | mₑ | 9.1093837015×10⁻³¹ |
| Proton mass | mₚ | 1.67262192369×10⁻²⁷ |
| Fine-structure constant | α | 7.2973525693×10⁻³ |
Calculate potassium fertilizer recommendation using the Sufficiency and Soil Maintenance and Nutrient balance (SSMN) model based on soil test K and crop removal
Each component has a specific meaning:
Note: Interpret the ssmn potassium rate result against the clinical thresholds and context described above.
Enter the Sufficiency, Soil Maintenance, Nutrient balance model based on soil test K, crop removal for the patient or scenario you are assessing. Calculate potassium fertilizer recommendation using the Sufficiency and Soil Maintenance and Nutrient balance (SSMN) model based on soil test K and crop removal. Use the ssmn potassium rate result to inform your clinical assessment.