condition mean min max 12pM Fe,Midday 279.69 279.69 279.69 12pM Fe,Midnight 85.92635 79.2179 92.6348 58pM Fe,Midday 65.6368 65.6368 65.6368 58pM Fe,Midnight 22.588714285714286 0.0 32.0735 233pM Fe,Midnight 6.843046666666667 6.62651 6.97286 1160pM Fe,Midday 3.579964285714286 2.26225 5.1383 1160pM Fe,Midnight 36.454791666666665 2.25141 72.7383 High carbon,Dark 67.45932733333333 4.83503 235.998 High carbon,Light 27.983262307692307 0.41181 115.614 Low carbon,Dark 7.90411 7.90411 7.90411 Phloroglucinol 272.637 171.451 338.468 Silicon starvation,12h 7.26487 7.26487 7.26487