condition mean min max 12pM Fe,Midday 20.6782 20.6782 20.6782 12pM Fe,Midnight 27.0698 25.7286 28.411 58pM Fe,Midday 23.8515 23.8515 23.8515 58pM Fe,Midnight 44.91965714285714 25.9066 131.265 233pM Fe,Midnight 22.688466666666667 20.3409 24.6057 1160pM Fe,Midday 17.67887142857143 14.7699 20.3263 1160pM Fe,Midnight 11.563525 4.74984 22.8249 High carbon,Dark 19.075624666666666 7.79424 34.858 High carbon,Light 13.690256153846153 2.60862 26.5092 Low carbon,Dark 21.6009 21.6009 21.6009 Phloroglucinol 10.384096666666666 7.40429 12.0755 Silicon starvation,12h 33.615 33.615 33.615