condition mean min max 12pM Fe,Midday 38.9534 38.9534 38.9534 12pM Fe,Midnight 30.027749999999997 27.5147 32.5408 58pM Fe,Midday 22.8844 22.8844 22.8844 58pM Fe,Midnight 34.911585714285714 16.9775 113.503 233pM Fe,Midnight 20.095366666666667 17.4176 23.6625 1160pM Fe,Midday 25.454814285714285 22.7183 32.0809 1160pM Fe,Midnight 12.334664166666666 8.74889 15.4018 High carbon,Dark 27.636466666666667 13.7081 42.4573 High carbon,Light 25.763035384615385 5.26317 53.2262 Low carbon,Dark 17.6404 17.6404 17.6404 Phloroglucinol 28.6674 22.8409 38.1519 Silicon starvation,12h 43.9632 43.9632 43.9632