condition mean min max 12pM Fe,Midday 45.8302 45.8302 45.8302 12pM Fe,Midnight 33.23995 26.8096 39.6703 58pM Fe,Midday 27.88 27.88 27.88 58pM Fe,Midnight 27.743585714285715 0.0 45.3155 233pM Fe,Midnight 34.30233333333334 29.9255 39.2447 1160pM Fe,Midday 20.094214285714287 15.7202 27.4977 1160pM Fe,Midnight 23.855916666666666 12.1037 40.9238 High carbon,Dark 31.598139333333332 9.76189 54.9899 High carbon,Light 22.911003846153847 5.70743 53.5339 Low carbon,Dark 30.2544 30.2544 30.2544 Phloroglucinol 16.597033333333332 10.7694 26.3453 Silicon starvation,12h 36.6693 36.6693 36.6693