condition mean min max 12pM Fe,Midday 32.0445 32.0445 32.0445 12pM Fe,Midnight 30.591099999999997 27.7709 33.4113 58pM Fe,Midday 30.5784 30.5784 30.5784 58pM Fe,Midnight 20.970885714285714 0.0 26.6173 233pM Fe,Midnight 23.078633333333332 21.2607 24.8651 1160pM Fe,Midday 25.877142857142857 24.1358 27.1447 1160pM Fe,Midnight 20.289741666666668 11.742 32.0408 High carbon,Dark 13.727246666666666 3.74665 24.1397 High carbon,Light 9.172840692307693 0.283707 16.937 Low carbon,Dark 15.1449 15.1449 15.1449 Phloroglucinol 30.3236 23.7019 38.527 Silicon starvation,12h 16.9215 16.9215 16.9215