condition mean min max 12pM Fe,Midday 44.955 44.955 44.955 12pM Fe,Midnight 31.09475 30.2158 31.9737 58pM Fe,Midday 28.3477 28.3477 28.3477 58pM Fe,Midnight 20.499257142857143 0.0 29.5533 233pM Fe,Midnight 19.333933333333334 16.9767 21.7215 1160pM Fe,Midday 26.1485 20.7641 28.6473 1160pM Fe,Midnight 15.717426666666666 7.38251 24.3024 High carbon,Dark 15.373239333333334 1.84871 27.3915 High carbon,Light 15.53201 2.43362 28.6975 Low carbon,Dark 20.1518 20.1518 20.1518 Phloroglucinol 34.3543 26.0653 39.429 Silicon starvation,12h 33.516 33.516 33.516