condition mean min max 12pM Fe,Midday 18.8179 18.8179 18.8179 12pM Fe,Midnight 34.299099999999996 32.913 35.6852 58pM Fe,Midday 18.1647 18.1647 18.1647 58pM Fe,Midnight 23.91277142857143 0.0 32.6645 233pM Fe,Midnight 33.15696666666666 32.3443 34.2698 1160pM Fe,Midday 10.5407 7.30797 13.2286 1160pM Fe,Midnight 32.40436666666667 23.2865 41.0312 High carbon,Dark 31.00624 17.624 48.8238 High carbon,Light 24.9763 10.1806 36.3431 Low carbon,Dark 26.4086 26.4086 26.4086 Phloroglucinol 37.877966666666666 28.9435 47.5882 Silicon starvation,12h 52.074 52.074 52.074