condition mean min max 12pM Fe,Midday 31.4459 31.4459 31.4459 12pM Fe,Midnight 21.89645 20.7274 23.0655 58pM Fe,Midday 19.0875 19.0875 19.0875 58pM Fe,Midnight 24.16247142857143 17.6937 54.0028 233pM Fe,Midnight 8.772456666666667 8.38113 9.13784 1160pM Fe,Midday 15.432057142857143 13.3139 17.4414 1160pM Fe,Midnight 10.0179125 4.36755 16.1209 High carbon,Dark 8.167228 3.3708 12.3397 High carbon,Light 5.723964076923077 0.715463 10.6758 Low carbon,Dark 4.19649 4.19649 4.19649 Phloroglucinol 17.573473333333332 8.37692 24.943 Silicon starvation,12h 9.68055 9.68055 9.68055