condition mean min max 12pM Fe,Midday 28.5492 28.5492 28.5492 12pM Fe,Midnight 27.54755 26.3858 28.7093 58pM Fe,Midday 23.6306 23.6306 23.6306 58pM Fe,Midnight 26.297471428571427 21.1544 45.7156 233pM Fe,Midnight 11.657933333333334 11.5626 11.7984 1160pM Fe,Midday 14.231757142857143 13.2556 15.9394 1160pM Fe,Midnight 9.199359166666667 7.85305 11.7476 High carbon,Dark 14.220788666666667 3.19322 22.6208 High carbon,Light 7.508449230769231 1.2194 11.1038 Low carbon,Dark 7.31396 7.31396 7.31396 Phloroglucinol 16.361266666666666 13.1621 22.3711 Silicon starvation,12h 7.80473 7.80473 7.80473