condition mean min max 12pM Fe,Midday 0.205107 0.205107 0.205107 12pM Fe,Midnight 0.213303 0.0 0.426606 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 0.586875 0.0 1.42672 233pM Fe,Midnight 0.171343 0.0 0.259739 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 0.014339416666666667 0.0 0.172073 High carbon,Dark 1.708864 0.0 4.81598 High carbon,Light 2.4562334615384613 0.0 10.4546 Low carbon,Dark 0.333291 0.333291 0.333291 Phloroglucinol 132.99246666666667 83.0274 198.01 Silicon starvation,12h 0.0 0.0 0.0