condition mean min max 12pM Fe,Midday 43.8916 43.8916 43.8916 12pM Fe,Midnight 40.928200000000004 39.57 42.2864 58pM Fe,Midday 36.3155 36.3155 36.3155 58pM Fe,Midnight 32.387057142857145 24.3735 67.545 233pM Fe,Midnight 27.825333333333333 25.3851 30.5293 1160pM Fe,Midday 24.82667142857143 22.9414 26.5306 1160pM Fe,Midnight 19.964108333333332 14.8592 23.7228 High carbon,Dark 27.681253333333334 16.9202 46.7194 High carbon,Light 26.218287692307694 6.93004 39.3853 Low carbon,Dark 14.8202 14.8202 14.8202 Phloroglucinol 24.3811 16.6689 36.8938 Silicon starvation,12h 48.7568 48.7568 48.7568