condition mean min max 12pM Fe,Midday 35.638 35.638 35.638 12pM Fe,Midnight 35.926950000000005 35.0031 36.8508 58pM Fe,Midday 32.7856 32.7856 32.7856 58pM Fe,Midnight 24.4576 0.0 29.9488 233pM Fe,Midnight 26.7045 26.2999 26.9502 1160pM Fe,Midday 28.963085714285715 19.7956 35.1054 1160pM Fe,Midnight 20.830691666666667 11.9103 28.445 High carbon,Dark 30.180253333333333 10.1494 120.589 High carbon,Light 16.93532692307692 3.66328 43.9589 Low carbon,Dark 21.1419 21.1419 21.1419 Phloroglucinol 38.257666666666665 28.8895 50.4267 Silicon starvation,12h 18.5067 18.5067 18.5067