condition mean min max 12pM Fe,Midday 17.8997 17.8997 17.8997 12pM Fe,Midnight 28.4468 26.2079 30.6857 58pM Fe,Midday 18.9645 18.9645 18.9645 58pM Fe,Midnight 34.83192857142857 21.8438 83.7249 233pM Fe,Midnight 26.9498 25.3749 27.8859 1160pM Fe,Midday 10.294594285714286 7.64787 13.7056 1160pM Fe,Midnight 14.333930833333334 7.38465 20.9912 High carbon,Dark 15.047008 1.11986 28.3608 High carbon,Light 6.291108384615384 0.0 15.0201 Low carbon,Dark 20.2839 20.2839 20.2839 Phloroglucinol 5.802536666666667 4.76486 6.73938 Silicon starvation,12h 18.7607 18.7607 18.7607