condition mean min max 12pM Fe,Midday 43.9009 43.9009 43.9009 12pM Fe,Midnight 43.789100000000005 43.4662 44.112 58pM Fe,Midday 30.3314 30.3314 30.3314 58pM Fe,Midnight 43.337714285714284 30.0252 106.892 233pM Fe,Midnight 25.002533333333332 23.1133 27.7146 1160pM Fe,Midday 33.4126 29.5573 37.2923 1160pM Fe,Midnight 20.167316666666668 15.252 27.4838 High carbon,Dark 21.130138666666667 9.34278 34.2738 High carbon,Light 20.137422307692308 6.72679 34.6121 Low carbon,Dark 23.4534 23.4534 23.4534 Phloroglucinol 26.438633333333332 25.06 27.4514 Silicon starvation,12h 42.942 42.942 42.942