| Roses deficient in potassium, phosphorous and magnesium are more susceptible to attack by black spot and powdery mildew. |
| Manure gives him enough nitrogen, and more than enough phosphorous and potassium, to raise his crop. |
| Calcitriol functions in concert with parathyroid hormone and calcitonin to regulate serum calcium and phosphorous levels. |
| Here the primary components including nitrogen, potassium, and phosphorous are prepared. |
| It obeys the law of conservation of mass since the amount of phosphorous and oxygen remains the same throughout the reaction. |
| Give fruit trees and bushes a dressing of autumn fertiliser, low in nitrogen but high in potassium and phosphorous. |
