condition mean min max 12pM Fe,Midday 37.6535 37.6535 37.6535 12pM Fe,Midnight 31.4458 30.9398 31.9518 58pM Fe,Midday 27.1476 27.1476 27.1476 58pM Fe,Midnight 49.43284285714286 23.0172 165.251 233pM Fe,Midnight 25.064166666666665 21.1924 29.3927 1160pM Fe,Midday 29.09247142857143 22.7647 36.1902 1160pM Fe,Midnight 157.6064 25.7274 263.925 High carbon,Dark 67.46096 21.9154 196.717 High carbon,Light 56.53641538461538 27.3881 94.1489 Low carbon,Dark 43.8119 43.8119 43.8119 Phloroglucinol 71.38856666666666 63.5017 84.2443 Silicon starvation,12h 160.281 160.281 160.281