condition mean min max 12pM Fe,Midday 189.582 189.582 189.582 12pM Fe,Midnight 13.1664 12.0947 14.2381 58pM Fe,Midday 98.4299 98.4299 98.4299 58pM Fe,Midnight 16.22596857142857 5.56532 67.5968 233pM Fe,Midnight 8.200786666666668 7.69739 8.95851 1160pM Fe,Midday 51.06512857142857 46.0785 57.502 1160pM Fe,Midnight 4.07563 0.6115 9.7039 High carbon,Dark 16.358576666666668 5.6346 56.8207 High carbon,Light 51.42171830769231 0.515158 130.752 Low carbon,Dark 6.17983 6.17983 6.17983 Phloroglucinol 63.54213333333334 47.6749 76.9398 Silicon starvation,12h 56.8003 56.8003 56.8003