Other causes. Chest pain can also be caused by: Panic attack. If you have periods of intense fear accompanied by chest pain, rapid heartbeat, rapid breathing, profuse sweating, shortness of breath, nausea, dizziness and a fear of dying, you may be experiencing a panic attack.
Serum phosphorus is measured in milligrams of phosphorus per deciliter of blood (mg/dL). A normal range is generally 2.4 to 4.1 mg/dL. The normal range varies slightly depending on your age. Itâs natural for children to have higher phosphorus levels because they need more of this mineral to help their bones develop.
The critical level for phosphorus is 15 ppm and the maintenance range for soybeans is 15 ppm, so P soil test levels should be maintained between 15 and 30 ppm. Because soybeans remove 0.8 pounds per bushel of P2O5, maintenance levels of P fertilizer are required to keep P soil test levels in this range.