condition mean min max 12pM Fe,Midday 123.177 123.177 123.177 12pM Fe,Midnight 15.34065 13.2516 17.4297 58pM Fe,Midday 105.861 105.861 105.861 58pM Fe,Midnight 4.436512857142857 0.0 7.01038 233pM Fe,Midnight 15.058633333333335 14.0426 16.5847 1160pM Fe,Midday 76.7105 61.5631 84.8421 1160pM Fe,Midnight 4.608776833333334 0.569132 10.114 High carbon,Dark 16.134604 3.36598 38.8534 High carbon,Light 26.045774 0.993052 43.322 Low carbon,Dark 17.255 17.255 17.255 Phloroglucinol 50.72013333333333 47.0212 55.9445 Silicon starvation,12h 35.8474 35.8474 35.8474