condition mean min max 12pM Fe,Midday 133.901 133.901 133.901 12pM Fe,Midnight 140.922 124.031 157.813 58pM Fe,Midday 294.828 294.828 294.828 58pM Fe,Midnight 128.28744285714285 98.9131 147.597 233pM Fe,Midnight 180.20066666666665 176.402 183.005 1160pM Fe,Midday 173.53857142857143 132.394 184.623 1160pM Fe,Midnight 243.1685 135.187 314.274 High carbon,Dark 157.39532666666668 32.2078 369.587 High carbon,Light 128.5652076923077 62.4525 224.657 Low carbon,Dark 292.474 292.474 292.474 Phloroglucinol 89.62506666666667 69.6928 106.541 Silicon starvation,12h 351.753 351.753 351.753