condition mean min max 12pM Fe,Midday 18.8048 18.8048 18.8048 12pM Fe,Midnight 109.568 104.658 114.478 58pM Fe,Midday 38.0329 38.0329 38.0329 58pM Fe,Midnight 121.07972857142857 73.4601 144.413 233pM Fe,Midnight 235.548 231.464 240.315 1160pM Fe,Midday 0.6651868571428572 0.0 2.17829 1160pM Fe,Midnight 412.15408333333335 324.506 505.422 High carbon,Dark 309.79206666666664 174.116 505.152 High carbon,Light 181.14419384615385 1.3996 402.193 Low carbon,Dark 140.697 140.697 140.697 Phloroglucinol 228.234 139.399 306.244 Silicon starvation,12h 196.116 196.116 196.116