condition mean min max 12pM Fe,Midday 23.5625 23.5625 23.5625 12pM Fe,Midnight 20.408050000000003 20.0818 20.7343 58pM Fe,Midday 20.5285 20.5285 20.5285 58pM Fe,Midnight 12.985342857142857 0.0 17.1911 233pM Fe,Midnight 17.008966666666666 15.0127 18.936 1160pM Fe,Midday 18.175557142857144 15.7439 21.7226 1160pM Fe,Midnight 19.590366666666668 10.6439 26.8201 High carbon,Dark 15.77936 9.9472 22.2789 High carbon,Light 19.392795384615383 6.61066 36.4354 Low carbon,Dark 12.3701 12.3701 12.3701 Phloroglucinol 31.037733333333332 23.3967 40.4503 Silicon starvation,12h 20.7283 20.7283 20.7283