condition mean min max 12pM Fe,Midday 39.1457 39.1457 39.1457 12pM Fe,Midnight 38.99935 38.0758 39.9229 58pM Fe,Midday 33.2117 33.2117 33.2117 58pM Fe,Midnight 31.45172857142857 0.0 40.9335 233pM Fe,Midnight 39.08886666666667 34.9923 42.7345 1160pM Fe,Midday 39.81767142857143 33.2583 48.7893 1160pM Fe,Midnight 25.429375 22.3436 28.023 High carbon,Dark 31.60052 5.2269 52.0693 High carbon,Light 28.735857692307693 2.169 51.4023 Low carbon,Dark 40.7854 40.7854 40.7854 Phloroglucinol 23.558333333333334 21.9635 25.9133 Silicon starvation,12h 42.3181 42.3181 42.3181