condition mean min max 12pM Fe,Midday 44.4799 44.4799 44.4799 12pM Fe,Midnight 34.02585 33.2367 34.815 58pM Fe,Midday 21.7197 21.7197 21.7197 58pM Fe,Midnight 48.01647142857143 30.5888 58.5629 233pM Fe,Midnight 20.882133333333332 20.118 22.0094 1160pM Fe,Midday 58.81015714285714 45.6893 68.8741 1160pM Fe,Midnight 43.8604 32.3319 61.1893 High carbon,Dark 27.66110666666667 11.4885 55.183 High carbon,Light 51.38881076923077 4.07336 127.034 Low carbon,Dark 13.9202 13.9202 13.9202 Phloroglucinol 23.906466666666667 14.2458 32.9979 Silicon starvation,12h 38.3364 38.3364 38.3364