condition mean min max 12pM Fe,Midday 15.9081 15.9081 15.9081 12pM Fe,Midnight 17.4603 17.136 17.7846 58pM Fe,Midday 16.5396 16.5396 16.5396 58pM Fe,Midnight 9.78601142857143 0.0 13.4562 233pM Fe,Midnight 14.491333333333333 12.5909 16.5178 1160pM Fe,Midday 13.038595714285714 9.16617 18.3411 1160pM Fe,Midnight 9.480295 3.45448 16.149 High carbon,Dark 17.3238 9.6042 25.2134 High carbon,Light 8.400263846153846 0.0 16.0758 Low carbon,Dark 16.8026 16.8026 16.8026 Phloroglucinol 35.6188 33.6435 39.0176 Silicon starvation,12h 9.27752 9.27752 9.27752