condition mean min max 12pM Fe,Midday 88.7135 88.7135 88.7135 12pM Fe,Midnight 65.487 57.8187 73.1553 58pM Fe,Midday 66.52 66.52 66.52 58pM Fe,Midnight 64.24972857142858 54.0597 85.9304 233pM Fe,Midnight 38.84263333333333 38.6887 39.0293 1160pM Fe,Midday 49.55938571428572 44.4932 62.2122 1160pM Fe,Midnight 39.245025 24.5351 50.1803 High carbon,Dark 53.68837333333333 26.5907 67.046 High carbon,Light 52.80293846153846 10.5307 82.1724 Low carbon,Dark 42.0292 42.0292 42.0292 Phloroglucinol 53.3261 38.0194 61.5934 Silicon starvation,12h 57.627 57.627 57.627