condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.0 0.0 0.0 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.07065785714285715 0.0 0.332199 233pM Fe,Midnight 0.041536333333333335 0.0 0.124609 1160pM Fe,Midday 0.21362942857142858 0.0 0.650862 1160pM Fe,Midnight 0.04249158333333333 0.0 0.344796 High carbon,Dark 0.09285773333333333 0.0 0.760634 High carbon,Light 0.3376693076923077 0.0 2.97117 Low carbon,Dark 0.959371 0.959371 0.959371 Phloroglucinol 0.08616633333333333 0.0 0.134079 Silicon starvation,12h 0.783805 0.783805 0.783805