condition mean min max 12pM Fe,Midday 46.7703 46.7703 46.7703 12pM Fe,Midnight 41.001149999999996 37.0851 44.9172 58pM Fe,Midday 42.0717 42.0717 42.0717 58pM Fe,Midnight 22.799885714285715 0.0 27.8383 233pM Fe,Midnight 18.623733333333334 18.5625 18.6837 1160pM Fe,Midday 25.80247142857143 21.7013 29.9288 1160pM Fe,Midnight 18.99185 14.5078 25.779 High carbon,Dark 18.612054666666666 4.69339 51.5155 High carbon,Light 15.569525384615385 5.11875 32.6113 Low carbon,Dark 24.1686 24.1686 24.1686 Phloroglucinol 19.768833333333333 15.3088 26.2487 Silicon starvation,12h 10.9434 10.9434 10.9434