condition mean min max 12pM Fe,Midday 30.3794 30.3794 30.3794 12pM Fe,Midnight 26.9051 25.4993 28.3109 58pM Fe,Midday 26.3574 26.3574 26.3574 58pM Fe,Midnight 21.95982857142857 0.0 27.4719 233pM Fe,Midnight 20.020766666666667 19.8601 20.1772 1160pM Fe,Midday 17.752385714285715 14.1901 20.9243 1160pM Fe,Midnight 14.309050000000001 10.0029 17.5914 High carbon,Dark 21.801896 8.95564 28.5832 High carbon,Light 13.326973846153846 2.55496 29.9833 Low carbon,Dark 15.066 15.066 15.066 Phloroglucinol 25.58213333333333 18.7076 37.7662 Silicon starvation,12h 34.4576 34.4576 34.4576