condition mean min max 12pM Fe,Midday 69.7715 69.7715 69.7715 12pM Fe,Midnight 81.78165 76.6306 86.9327 58pM Fe,Midday 84.3536 84.3536 84.3536 58pM Fe,Midnight 31.303014285714287 0.0 37.9521 233pM Fe,Midnight 36.00213333333333 34.1155 37.1794 1160pM Fe,Midday 37.27107142857143 32.7755 42.2467 1160pM Fe,Midnight 25.772916666666667 19.2634 32.1096 High carbon,Dark 34.531934666666665 1.45984 67.2804 High carbon,Light 24.19323076923077 8.66045 59.1881 Low carbon,Dark 37.0437 37.0437 37.0437 Phloroglucinol 8.33673 5.19453 11.5009 Silicon starvation,12h 30.1336 30.1336 30.1336