condition mean min max 12pM Fe,Midday 35.4371 35.4371 35.4371 12pM Fe,Midnight 28.7091 26.1295 31.2887 58pM Fe,Midday 25.1879 25.1879 25.1879 58pM Fe,Midnight 17.712757142857143 0.0 22.4499 233pM Fe,Midnight 19.536833333333334 17.6459 21.5184 1160pM Fe,Midday 26.870142857142856 23.9339 30.7953 1160pM Fe,Midnight 14.4258525 9.06437 20.5871 High carbon,Dark 15.935810666666667 2.59805 30.7987 High carbon,Light 15.884178461538461 1.88103 37.6677 Low carbon,Dark 12.508 12.508 12.508 Phloroglucinol 30.41743333333333 23.2979 34.7079 Silicon starvation,12h 22.1458 22.1458 22.1458