condition mean min max 12pM Fe,Midday 35.8136 35.8136 35.8136 12pM Fe,Midnight 22.786 22.639 22.933 58pM Fe,Midday 22.4727 22.4727 22.4727 58pM Fe,Midnight 16.339671428571428 0.0 20.9416 233pM Fe,Midnight 22.083566666666666 20.532 23.2693 1160pM Fe,Midday 20.537457142857143 18.6768 23.5628 1160pM Fe,Midnight 18.812583333333333 17.125 20.5342 High carbon,Dark 19.92092 10.1288 26.025 High carbon,Light 18.768348461538462 2.37807 37.1459 Low carbon,Dark 15.2146 15.2146 15.2146 Phloroglucinol 15.201266666666665 13.9344 17.4626 Silicon starvation,12h 31.1646 31.1646 31.1646