condition mean min max 12pM Fe,Midday 56.633 56.633 56.633 12pM Fe,Midnight 48.41805 47.7779 49.0582 58pM Fe,Midday 55.6084 55.6084 55.6084 58pM Fe,Midnight 33.086014285714285 0.0 43.2386 233pM Fe,Midnight 52.083533333333335 45.943 55.5131 1160pM Fe,Midday 36.75015714285714 34.1551 39.6425 1160pM Fe,Midnight 52.801625 41.9652 65.3159 High carbon,Dark 74.96193333333333 51.1857 101.591 High carbon,Light 69.72863076923076 17.8087 120.945 Low carbon,Dark 38.7356 38.7356 38.7356 Phloroglucinol 19.728833333333334 11.0519 30.1192 Silicon starvation,12h 61.8144 61.8144 61.8144