condition mean min max 12pM Fe,Midday 16.5942 16.5942 16.5942 12pM Fe,Midnight 39.8902 39.2754 40.505 58pM Fe,Midday 15.696 15.696 15.696 58pM Fe,Midnight 39.66895714285714 25.0274 101.707 233pM Fe,Midnight 24.924266666666668 23.6978 25.8941 1160pM Fe,Midday 3.0096499999999997 1.88494 3.94846 1160pM Fe,Midnight 6.114823333333334 3.6803 9.25394 High carbon,Dark 15.677487333333334 5.25383 27.3017 High carbon,Light 4.6687386153846155 0.0 15.8982 Low carbon,Dark 13.9474 13.9474 13.9474 Phloroglucinol 14.520466666666668 10.757 19.3545 Silicon starvation,12h 6.67424 6.67424 6.67424