condition mean min max 12pM Fe,Midday 42.1869 42.1869 42.1869 12pM Fe,Midnight 26.92685 24.2233 29.6304 58pM Fe,Midday 34.1253 34.1253 34.1253 58pM Fe,Midnight 40.2874 25.5772 58.9948 233pM Fe,Midnight 82.57373333333334 82.3577 82.9355 1160pM Fe,Midday 23.543485714285715 18.9395 37.4384 1160pM Fe,Midnight 73.046725 59.259 85.0228 High carbon,Dark 79.50458 11.6295 513.452 High carbon,Light 20.298838461538462 5.29964 62.7728 Low carbon,Dark 13.557 13.557 13.557 Phloroglucinol 16.462533333333333 14.5 20.3021 Silicon starvation,12h 22.9283 22.9283 22.9283