condition mean min max 12pM Fe,Midday 92.0114 92.0114 92.0114 12pM Fe,Midnight 88.87975 80.8205 96.939 58pM Fe,Midday 68.6448 68.6448 68.6448 58pM Fe,Midnight 57.09332857142857 43.0511 106.892 233pM Fe,Midnight 33.0487 29.8235 36.3647 1160pM Fe,Midday 36.58465714285715 32.7095 40.7729 1160pM Fe,Midnight 19.032508333333332 13.2965 26.4544 High carbon,Dark 37.643213333333335 11.4378 67.0003 High carbon,Light 26.510287692307692 2.85118 44.2285 Low carbon,Dark 16.1242 16.1242 16.1242 Phloroglucinol 21.240866666666665 11.3052 33.5972 Silicon starvation,12h 23.7806 23.7806 23.7806