condition mean min max 12pM Fe,Midday 6.1541 6.1541 6.1541 12pM Fe,Midnight 20.73405 19.7637 21.7044 58pM Fe,Midday 14.679 14.679 14.679 58pM Fe,Midnight 37.739285714285714 21.0937 95.1173 233pM Fe,Midnight 116.096 115.477 117.267 1160pM Fe,Midday 0.33822471428571427 0.0 1.05768 1160pM Fe,Midnight 131.65468333333334 79.1859 188.323 High carbon,Dark 150.46184 16.4476 374.694 High carbon,Light 98.9325076923077 0.362446 325.44 Low carbon,Dark 26.5222 26.5222 26.5222 Phloroglucinol 12.16993 5.75153 21.4612 Silicon starvation,12h 84.4925 84.4925 84.4925