condition mean min max 12pM Fe,Midday 29.4178 29.4178 29.4178 12pM Fe,Midnight 30.375700000000002 29.011 31.7404 58pM Fe,Midday 27.704 27.704 27.704 58pM Fe,Midnight 27.100314285714287 0.0 34.2338 233pM Fe,Midnight 24.942166666666665 24.5445 25.514 1160pM Fe,Midday 26.215414285714285 20.5874 30.7424 1160pM Fe,Midnight 11.275405833333334 6.00765 17.2785 High carbon,Dark 18.729373333333335 5.31373 30.5325 High carbon,Light 12.81737 1.51304 29.2476 Low carbon,Dark 17.5108 17.5108 17.5108 Phloroglucinol 9.339336666666666 7.24507 13.304 Silicon starvation,12h 28.4014 28.4014 28.4014