condition mean min max 12pM Fe,Midday 63.1013 63.1013 63.1013 12pM Fe,Midnight 51.3631 48.353 54.3732 58pM Fe,Midday 43.7564 43.7564 43.7564 58pM Fe,Midnight 40.67727142857143 0.0 55.7374 233pM Fe,Midnight 28.78976666666667 26.8226 31.6374 1160pM Fe,Midday 47.456914285714284 42.4447 53.2785 1160pM Fe,Midnight 15.053783333333334 11.452 18.9141 High carbon,Dark 23.835330666666668 7.34778 49.7396 High carbon,Light 27.790766153846153 1.21302 56.6669 Low carbon,Dark 25.9482 25.9482 25.9482 Phloroglucinol 18.6219 15.4936 22.4606 Silicon starvation,12h 60.9613 60.9613 60.9613