condition mean min max 12pM Fe,Midday 18.7094 18.7094 18.7094 12pM Fe,Midnight 26.61065 22.5647 30.6566 58pM Fe,Midday 19.429 19.429 19.429 58pM Fe,Midnight 14.719214285714285 0.0 20.6059 233pM Fe,Midnight 14.4284 13.903 15.2222 1160pM Fe,Midday 11.085571428571429 10.1861 12.3405 1160pM Fe,Midnight 6.706806666666667 3.89862 11.7388 High carbon,Dark 15.9042372 0.823698 30.1098 High carbon,Light 7.451213846153847 1.27581 17.3226 Low carbon,Dark 13.9343 13.9343 13.9343 Phloroglucinol 7.16781 4.64066 9.69275 Silicon starvation,12h 15.0805 15.0805 15.0805