condition mean min max 12pM Fe,Midday 22.7088 22.7088 22.7088 12pM Fe,Midnight 21.5616 20.2425 22.8807 58pM Fe,Midday 30.4995 30.4995 30.4995 58pM Fe,Midnight 24.7538 0.0 34.4686 233pM Fe,Midnight 49.94753333333333 47.2253 52.035 1160pM Fe,Midday 20.702014285714284 17.1936 23.9672 1160pM Fe,Midnight 49.947183333333335 38.5136 65.0082 High carbon,Dark 55.298253333333335 23.5099 100.135 High carbon,Light 38.64267076923077 1.70655 93.8264 Low carbon,Dark 37.5599 37.5599 37.5599 Phloroglucinol 34.9197 15.1261 49.2965 Silicon starvation,12h 41.5305 41.5305 41.5305