condition mean min max 12pM Fe,Midday 38.8043 38.8043 38.8043 12pM Fe,Midnight 43.318349999999995 43.0233 43.6134 58pM Fe,Midday 24.7389 24.7389 24.7389 58pM Fe,Midnight 18.046357142857143 0.0 25.0211 233pM Fe,Midnight 15.529333333333334 14.3432 16.6344 1160pM Fe,Midday 14.055171428571429 10.3213 18.7029 1160pM Fe,Midnight 8.2322925 3.14531 14.0837 High carbon,Dark 21.507109333333332 2.81648 44.1763 High carbon,Light 10.974865384615384 2.61187 45.3027 Low carbon,Dark 16.8409 16.8409 16.8409 Phloroglucinol 71.54216666666666 47.4234 85.2237 Silicon starvation,12h 19.3358 19.3358 19.3358