condition mean min max 12pM Fe,Midday 31.8212 31.8212 31.8212 12pM Fe,Midnight 44.1976 41.8873 46.5079 58pM Fe,Midday 25.3412 25.3412 25.3412 58pM Fe,Midnight 35.51464285714286 28.5984 61.9836 233pM Fe,Midnight 14.231933333333334 13.5108 14.9872 1160pM Fe,Midday 16.697971428571428 12.7258 19.2701 1160pM Fe,Midnight 14.025 10.6361 18.6873 High carbon,Dark 21.2274208 0.345442 67.2833 High carbon,Light 10.29614 2.92551 31.9632 Low carbon,Dark 26.3499 26.3499 26.3499 Phloroglucinol 3.9319733333333335 3.76947 4.10627 Silicon starvation,12h 9.69747 9.69747 9.69747