condition mean min max 12pM Fe,Midday 49.6424 49.6424 49.6424 12pM Fe,Midnight 36.5045 34.9606 38.0484 58pM Fe,Midday 34.4619 34.4619 34.4619 58pM Fe,Midnight 32.33875714285714 26.2217 34.9159 233pM Fe,Midnight 27.274266666666666 26.0177 28.3892 1160pM Fe,Midday 33.97174285714286 31.8875 37.3056 1160pM Fe,Midnight 28.72524166666667 26.1502 32.3935 High carbon,Dark 34.91546666666667 22.5635 48.895 High carbon,Light 35.404077692307695 4.96674 54.6423 Low carbon,Dark 19.7772 19.7772 19.7772 Phloroglucinol 41.26006666666667 30.732 58.7979 Silicon starvation,12h 55.4827 55.4827 55.4827