condition mean min max 12pM Fe,Midday 74.0789 74.0789 74.0789 12pM Fe,Midnight 80.4422 74.3765 86.5079 58pM Fe,Midday 70.1553 70.1553 70.1553 58pM Fe,Midnight 38.474085714285714 0.0 57.3428 233pM Fe,Midnight 22.072766666666666 19.139 23.8761 1160pM Fe,Midday 60.916871428571426 40.8133 81.6469 1160pM Fe,Midnight 18.307775 12.8665 25.0531 High carbon,Dark 28.940661333333335 7.69262 67.5581 High carbon,Light 41.32973076923077 17.6979 78.298 Low carbon,Dark 33.7054 33.7054 33.7054 Phloroglucinol 494.8073333333333 422.058 587.785 Silicon starvation,12h 86.3917 86.3917 86.3917