condition mean min max 12pM Fe,Midday 36.3271 36.3271 36.3271 12pM Fe,Midnight 27.94945 25.0474 30.8515 58pM Fe,Midday 26.0212 26.0212 26.0212 58pM Fe,Midnight 18.47007142857143 10.7817 47.3032 233pM Fe,Midnight 5.434996666666667 5.03172 6.04948 1160pM Fe,Midday 7.72536 6.70644 9.39801 1160pM Fe,Midnight 5.854070833333333 4.53422 9.44199 High carbon,Dark 8.238702733333334 0.210901 27.0816 High carbon,Light 3.737959230769231 0.0 12.1965 Low carbon,Dark 7.35174 7.35174 7.35174 Phloroglucinol 2.1594956666666665 0.673017 4.80488 Silicon starvation,12h 0.227132 0.227132 0.227132