condition mean min max 12pM Fe,Midday 43.0903 43.0903 43.0903 12pM Fe,Midnight 47.01075 46.9687 47.0528 58pM Fe,Midday 45.2774 45.2774 45.2774 58pM Fe,Midnight 41.3178 0.0 62.7358 233pM Fe,Midnight 44.97773333333333 37.8564 53.6706 1160pM Fe,Midday 30.37702857142857 25.013 36.5506 1160pM Fe,Midnight 15.849536666666667 9.35714 21.5401 High carbon,Dark 45.80927066666666 4.26846 105.736 High carbon,Light 26.148801538461537 3.6481 70.8122 Low carbon,Dark 21.006 21.006 21.006 Phloroglucinol 36.90156666666667 34.4269 38.4801 Silicon starvation,12h 18.3878 18.3878 18.3878