condition mean min max 12pM Fe,Midday 15.823 15.823 15.823 12pM Fe,Midnight 9.70565 9.0988 10.3125 58pM Fe,Midday 7.24753 7.24753 7.24753 58pM Fe,Midnight 6.178222857142857 0.0 8.92025 233pM Fe,Midnight 2.332256666666667 1.61554 2.9467 1160pM Fe,Midday 4.63237 3.5133 6.28699 1160pM Fe,Midnight 2.4529875 1.71789 3.2925 High carbon,Dark 5.608896 1.77024 11.6283 High carbon,Light 4.002124 0.265872 6.80832 Low carbon,Dark 5.74733 5.74733 5.74733 Phloroglucinol 10.012193333333332 9.09855 11.2875 Silicon starvation,12h 6.46082 6.46082 6.46082