condition mean min max 12pM Fe,Midday 37.7445 37.7445 37.7445 12pM Fe,Midnight 25.421799999999998 25.2486 25.595 58pM Fe,Midday 27.9995 27.9995 27.9995 58pM Fe,Midnight 25.57454285714286 21.2241 36.7607 233pM Fe,Midnight 24.6953 24.3574 25.3208 1160pM Fe,Midday 27.916914285714284 25.688 30.8248 1160pM Fe,Midnight 29.24145 16.6437 40.8048 High carbon,Dark 33.82145333333333 17.8988 70.1481 High carbon,Light 31.486153846153847 14.7326 56.2017 Low carbon,Dark 24.7014 24.7014 24.7014 Phloroglucinol 32.767133333333334 26.9356 39.031 Silicon starvation,12h 49.4818 49.4818 49.4818