condition mean min max 12pM Fe,Midday 43.9379 43.9379 43.9379 12pM Fe,Midnight 40.4969 40.2468 40.747 58pM Fe,Midday 38.7496 38.7496 38.7496 58pM Fe,Midnight 29.322357142857143 0.0 35.3084 233pM Fe,Midnight 29.818933333333334 27.0914 32.2424 1160pM Fe,Midday 33.8838 31.1849 35.6688 1160pM Fe,Midnight 26.1195 20.8099 31.1135 High carbon,Dark 41.81862666666667 14.7409 161.184 High carbon,Light 29.386815384615385 10.1069 56.1157 Low carbon,Dark 26.0057 26.0057 26.0057 Phloroglucinol 41.19736666666667 34.6771 53.7243 Silicon starvation,12h 54.1376 54.1376 54.1376