condition mean min max 12pM Fe,Midday 39.6554 39.6554 39.6554 12pM Fe,Midnight 27.9251 25.5752 30.275 58pM Fe,Midday 34.2729 34.2729 34.2729 58pM Fe,Midnight 35.31742857142857 19.1104 109.279 233pM Fe,Midnight 32.61136666666667 31.2518 34.0769 1160pM Fe,Midday 21.410157142857145 17.7125 28.3536 1160pM Fe,Midnight 16.304690833333332 7.16711 35.4361 High carbon,Dark 33.89344 19.8023 53.3368 High carbon,Light 29.79023769230769 5.60594 58.2736 Low carbon,Dark 12.9876 12.9876 12.9876 Phloroglucinol 37.6521 26.237 45.4604 Silicon starvation,12h 97.072 97.072 97.072