condition mean min max 12pM Fe,Midday 62.8438 62.8438 62.8438 12pM Fe,Midnight 40.1842 38.0483 42.3201 58pM Fe,Midday 79.3085 79.3085 79.3085 58pM Fe,Midnight 29.093914285714288 0.0 47.1852 233pM Fe,Midnight 29.473133333333333 27.5885 30.4958 1160pM Fe,Midday 38.84075714285714 32.7489 43.0577 1160pM Fe,Midnight 21.68530833333333 15.1253 28.0385 High carbon,Dark 44.92547333333333 30.9574 65.0452 High carbon,Light 36.57201153846154 7.58725 62.4649 Low carbon,Dark 21.3445 21.3445 21.3445 Phloroglucinol 59.25606666666667 53.0978 62.4685 Silicon starvation,12h 61.2544 61.2544 61.2544