condition mean min max 12pM Fe,Midday 57.5514 57.5514 57.5514 12pM Fe,Midnight 40.939449999999994 37.9096 43.9693 58pM Fe,Midday 53.3677 53.3677 53.3677 58pM Fe,Midnight 19.730271428571427 0.0 27.2349 233pM Fe,Midnight 18.965366666666664 18.3251 19.5841 1160pM Fe,Midday 50.1662 44.6495 56.2405 1160pM Fe,Midnight 5.3762975 3.57559 8.40899 High carbon,Dark 29.127684666666667 3.66469 94.9784 High carbon,Light 30.782340384615384 0.780375 83.948 Low carbon,Dark 23.5143 23.5143 23.5143 Phloroglucinol 22.092966666666666 16.8203 29.2757 Silicon starvation,12h 20.0492 20.0492 20.0492