condition mean min max 12pM Fe,Midday 59.9503 59.9503 59.9503 12pM Fe,Midnight 55.842600000000004 55.2432 56.442 58pM Fe,Midday 40.9602 40.9602 40.9602 58pM Fe,Midnight 34.469657142857145 0.0 44.8342 233pM Fe,Midnight 24.252333333333333 20.6614 27.2842 1160pM Fe,Midday 35.27767142857143 30.7473 39.4052 1160pM Fe,Midnight 13.999025 12.7219 17.3777 High carbon,Dark 21.892856666666667 8.82384 44.3182 High carbon,Light 21.572133076923077 2.68052 63.872 Low carbon,Dark 26.5122 26.5122 26.5122 Phloroglucinol 62.14873333333333 52.5347 74.7087 Silicon starvation,12h 69.2991 69.2991 69.2991