condition mean min max 12pM Fe,Midday 33.957 33.957 33.957 12pM Fe,Midnight 27.95475 25.4664 30.4431 58pM Fe,Midday 31.2901 31.2901 31.2901 58pM Fe,Midnight 19.9245 0.0 27.4533 233pM Fe,Midnight 21.534566666666667 18.5222 23.7251 1160pM Fe,Midday 29.788085714285714 25.7526 34.406 1160pM Fe,Midnight 47.681575 23.7337 68.0249 High carbon,Dark 28.096933333333332 21.2354 38.7155 High carbon,Light 33.093384615384615 9.1984 52.0809 Low carbon,Dark 19.0272 19.0272 19.0272 Phloroglucinol 28.844933333333334 26.2678 31.3882 Silicon starvation,12h 72.4852 72.4852 72.4852