condition mean min max 12pM Fe,Midday 35.3168 35.3168 35.3168 12pM Fe,Midnight 23.51705 22.6444 24.3897 58pM Fe,Midday 22.705 22.705 22.705 58pM Fe,Midnight 18.818057142857143 0.0 25.0989 233pM Fe,Midnight 18.861266666666666 16.6675 20.5244 1160pM Fe,Midday 15.560057142857143 11.8712 18.9048 1160pM Fe,Midnight 7.975295 4.50691 13.8025 High carbon,Dark 45.535728 3.06112 88.4354 High carbon,Light 28.786443846153844 8.44653 87.5701 Low carbon,Dark 27.3492 27.3492 27.3492 Phloroglucinol 6.85783 6.22418 7.89513 Silicon starvation,12h 50.0784 50.0784 50.0784