condition mean min max 12pM Fe,Midday 32.2648 32.2648 32.2648 12pM Fe,Midnight 26.4743 24.5325 28.4161 58pM Fe,Midday 24.1054 24.1054 24.1054 58pM Fe,Midnight 15.567485714285715 0.0 20.3453 233pM Fe,Midnight 16.425733333333334 15.8039 17.0762 1160pM Fe,Midday 19.97157142857143 17.6471 23.1302 1160pM Fe,Midnight 11.123940833333334 7.28238 14.3011 High carbon,Dark 19.31736666666667 10.0734 28.4421 High carbon,Light 19.202246153846154 3.9423 33.2632 Low carbon,Dark 16.3223 16.3223 16.3223 Phloroglucinol 27.273233333333334 22.6115 35.4616 Silicon starvation,12h 53.0814 53.0814 53.0814