condition mean min max 12pM Fe,Midday 0.700573 0.700573 0.700573 12pM Fe,Midnight 1.089565 0.47914 1.69999 58pM Fe,Midday 0.826533 0.826533 0.826533 58pM Fe,Midnight 0.483758 0.0 1.27085 233pM Fe,Midnight 0.58385 0.436295 0.723804 1160pM Fe,Midday 1.748317142857143 0.7583 2.42862 1160pM Fe,Midnight 0.8349525 0.368802 1.44709 High carbon,Dark 2.1891312666666667 0.0 9.70109 High carbon,Light 1.3868233846153846 0.0 4.96152 Low carbon,Dark 0.758937 0.758937 0.758937 Phloroglucinol 6.973809999999999 4.29571 10.1871 Silicon starvation,12h 0.797208 0.797208 0.797208