condition mean min max 12pM Fe,Midday 45.4373 45.4373 45.4373 12pM Fe,Midnight 30.494799999999998 29.0837 31.9059 58pM Fe,Midday 42.2668 42.2668 42.2668 58pM Fe,Midnight 47.85502857142857 27.2052 138.054 233pM Fe,Midnight 34.88463333333333 31.7775 38.6967 1160pM Fe,Midday 23.868314285714284 18.9446 26.8877 1160pM Fe,Midnight 13.615005 4.21143 29.309 High carbon,Dark 30.6148 17.8499 42.2577 High carbon,Light 24.74556923076923 11.8887 41.2795 Low carbon,Dark 27.1356 27.1356 27.1356 Phloroglucinol 19.31586666666667 15.7136 25.9294 Silicon starvation,12h 48.3904 48.3904 48.3904