condition mean min max 12pM Fe,Midday 25.6403 25.6403 25.6403 12pM Fe,Midnight 21.208199999999998 20.4068 22.0096 58pM Fe,Midday 23.1508 23.1508 23.1508 58pM Fe,Midnight 26.2795 14.1551 93.0081 233pM Fe,Midnight 17.987466666666666 16.5662 20.2044 1160pM Fe,Midday 17.50512857142857 14.8008 20.7804 1160pM Fe,Midnight 36.54949166666667 15.5542 59.2823 High carbon,Dark 17.922866 8.42461 25.8332 High carbon,Light 18.431 4.03722 40.7361 Low carbon,Dark 14.0299 14.0299 14.0299 Phloroglucinol 14.290026666666666 9.50898 17.647 Silicon starvation,12h 31.5589 31.5589 31.5589