condition mean min max 12pM Fe,Midday 63.7535 63.7535 63.7535 12pM Fe,Midnight 39.26405 36.1642 42.3639 58pM Fe,Midday 50.0016 50.0016 50.0016 58pM Fe,Midnight 38.474628571428575 0.0 52.1153 233pM Fe,Midnight 34.27976666666667 31.1313 35.9278 1160pM Fe,Midday 39.09021428571428 29.9501 49.1616 1160pM Fe,Midnight 14.722258333333333 11.0207 20.9243 High carbon,Dark 27.983818666666668 2.29648 48.876 High carbon,Light 16.047964615384615 1.70602 42.4577 Low carbon,Dark 25.8993 25.8993 25.8993 Phloroglucinol 10.355016666666666 8.24445 12.8332 Silicon starvation,12h 53.174 53.174 53.174