condition mean min max 12pM Fe,Midday 12.5585 12.5585 12.5585 12pM Fe,Midnight 16.6084 14.965 18.2518 58pM Fe,Midday 15.511 15.511 15.511 58pM Fe,Midnight 27.761857142857142 13.2444 93.0081 233pM Fe,Midnight 23.0004 21.7018 24.9768 1160pM Fe,Midday 9.662998571428572 8.00399 10.6746 1160pM Fe,Midnight 9.317636666666667 5.46896 15.2324 High carbon,Dark 21.027353333333334 10.0505 31.017 High carbon,Light 15.561516923076923 5.87233 21.3162 Low carbon,Dark 17.8562 17.8562 17.8562 Phloroglucinol 6.86036 4.79693 8.73439 Silicon starvation,12h 52.8463 52.8463 52.8463