condition mean min max 12pM Fe,Midday 50.8084 50.8084 50.8084 12pM Fe,Midnight 60.5824 59.8458 61.319 58pM Fe,Midday 39.9623 39.9623 39.9623 58pM Fe,Midnight 124.85282857142857 62.4711 445.968 233pM Fe,Midnight 81.17936666666667 78.1566 85.5503 1160pM Fe,Midday 42.34694285714286 33.711 47.9375 1160pM Fe,Midnight 38.98190833333334 26.747 59.4601 High carbon,Dark 60.76306666666667 26.2862 101.783 High carbon,Light 28.845613076923076 1.16148 56.1443 Low carbon,Dark 45.8676 45.8676 45.8676 Phloroglucinol 26.888733333333334 16.2395 40.45 Silicon starvation,12h 63.5271 63.5271 63.5271