condition mean min max 12pM Fe,Midday 3.37675 3.37675 3.37675 12pM Fe,Midnight 11.1237 10.176 12.0714 58pM Fe,Midday 5.60233 5.60233 5.60233 58pM Fe,Midnight 11.301985714285713 0.0 15.259 233pM Fe,Midnight 30.693233333333335 29.3987 31.5441 1160pM Fe,Midday 1.2880762857142858 0.178194 2.19486 1160pM Fe,Midnight 22.733238333333333 8.823 42.3723 High carbon,Dark 33.364237333333335 3.01046 75.9284 High carbon,Light 25.279527692307692 0.0 49.6985 Low carbon,Dark 18.176 18.176 18.176 Phloroglucinol 11.721773333333333 7.20512 15.5289 Silicon starvation,12h 29.5395 29.5395 29.5395