condition mean min max 12pM Fe,Midday 39.8201 39.8201 39.8201 12pM Fe,Midnight 47.22455 38.9337 55.5154 58pM Fe,Midday 46.3772 46.3772 46.3772 58pM Fe,Midnight 39.18757142857143 0.0 56.5354 233pM Fe,Midnight 25.452633333333335 23.9202 27.427 1160pM Fe,Midday 26.854885714285714 21.1436 32.2883 1160pM Fe,Midnight 28.467616666666668 14.6187 43.4319 High carbon,Dark 27.72802533333333 1.96838 96.6987 High carbon,Light 25.025556153846154 1.94437 78.374 Low carbon,Dark 56.4105 56.4105 56.4105 Phloroglucinol 1.38615 1.15938 1.5062 Silicon starvation,12h 22.0754 22.0754 22.0754