condition mean min max 12pM Fe,Midday 80.8049 80.8049 80.8049 12pM Fe,Midnight 39.738600000000005 36.954 42.5232 58pM Fe,Midday 41.3494 41.3494 41.3494 58pM Fe,Midnight 37.75515714285714 0.0 47.3609 233pM Fe,Midnight 30.6388 25.0453 37.5905 1160pM Fe,Midday 19.593128571428572 15.6965 22.9755 1160pM Fe,Midnight 29.79955 23.4532 39.8977 High carbon,Dark 38.75087333333333 22.6403 67.6988 High carbon,Light 34.070096923076925 8.59716 73.0545 Low carbon,Dark 26.1028 26.1028 26.1028 Phloroglucinol 34.823966666666664 27.5262 43.3927 Silicon starvation,12h 42.375 42.375 42.375