condition mean min max 12pM Fe,Midday 49.6864 49.6864 49.6864 12pM Fe,Midnight 39.68455 39.2706 40.0985 58pM Fe,Midday 49.8268 49.8268 49.8268 58pM Fe,Midnight 28.979142857142858 0.0 38.914 233pM Fe,Midnight 36.70506666666667 33.9772 40.6565 1160pM Fe,Midday 27.9001 23.6634 32.3 1160pM Fe,Midnight 15.446316666666666 9.6823 26.1893 High carbon,Dark 43.37414666666667 19.5773 63.8583 High carbon,Light 32.57413 5.46019 64.963 Low carbon,Dark 61.3612 61.3612 61.3612 Phloroglucinol 28.9262 22.8322 38.8162 Silicon starvation,12h 90.464 90.464 90.464