condition mean min max 12pM Fe,Midday 23.1761 23.1761 23.1761 12pM Fe,Midnight 37.848650000000006 33.0474 42.6499 58pM Fe,Midday 28.5411 28.5411 28.5411 58pM Fe,Midnight 63.57387142857143 40.3163 169.872 233pM Fe,Midnight 23.5117 20.5875 25.742 1160pM Fe,Midday 30.176428571428573 25.6128 34.6985 1160pM Fe,Midnight 10.660531666666667 5.1864 16.9758 High carbon,Dark 52.750762 1.13606 138.97 High carbon,Light 26.91499 2.73 96.1677 Low carbon,Dark 71.4381 71.4381 71.4381 Phloroglucinol 6.07293 3.32322 8.38427 Silicon starvation,12h 114.6 114.6 114.6