condition mean min max 12pM Fe,Midday 78.6686 78.6686 78.6686 12pM Fe,Midnight 63.1977 60.0211 66.3743 58pM Fe,Midday 69.2843 69.2843 69.2843 58pM Fe,Midnight 67.09847142857143 49.2973 130.68 233pM Fe,Midnight 39.15423333333333 37.6002 40.2928 1160pM Fe,Midday 45.16798571428571 37.3487 50.6175 1160pM Fe,Midnight 34.838175 23.9572 41.3638 High carbon,Dark 32.368473333333334 16.3139 47.6155 High carbon,Light 22.327323076923076 2.5784 31.3698 Low carbon,Dark 26.8809 26.8809 26.8809 Phloroglucinol 58.0312 53.0961 61.9652 Silicon starvation,12h 20.2884 20.2884 20.2884