condition mean min max 12pM Fe,Midday 51.595 51.595 51.595 12pM Fe,Midnight 37.728849999999994 37.4839 37.9738 58pM Fe,Midday 44.2919 44.2919 44.2919 58pM Fe,Midnight 26.8394 22.0983 29.8742 233pM Fe,Midnight 18.7778 17.5035 20.0013 1160pM Fe,Midday 18.2091 16.4278 20.2243 1160pM Fe,Midnight 14.3323 11.2654 15.8551 High carbon,Dark 17.029814666666667 6.57417 32.4793 High carbon,Light 11.623518461538461 3.29502 30.3414 Low carbon,Dark 13.8198 13.8198 13.8198 Phloroglucinol 10.250166666666667 7.41019 14.0717 Silicon starvation,12h 27.3282 27.3282 27.3282