condition mean min max 12pM Fe,Midday 47.9089 47.9089 47.9089 12pM Fe,Midnight 24.51845 22.8803 26.1566 58pM Fe,Midday 42.392 42.392 42.392 58pM Fe,Midnight 18.433842857142857 0.0 25.2829 233pM Fe,Midnight 20.169466666666665 17.8364 21.6408 1160pM Fe,Midday 36.99581428571429 33.8853 42.8985 1160pM Fe,Midnight 12.507454166666667 7.30454 16.1607 High carbon,Dark 32.85268 11.2845 51.8166 High carbon,Light 29.45514846153846 2.9052 62.8407 Low carbon,Dark 24.725 24.725 24.725 Phloroglucinol 69.8386 55.5081 78.0803 Silicon starvation,12h 25.2698 25.2698 25.2698