condition mean min max 12pM Fe,Midday 28.069 28.069 28.069 12pM Fe,Midnight 41.86435 40.002 43.7267 58pM Fe,Midday 24.0702 24.0702 24.0702 58pM Fe,Midnight 48.16957142857143 33.0833 123.187 233pM Fe,Midnight 39.056533333333334 36.9716 41.1367 1160pM Fe,Midday 18.2093 14.5791 21.3589 1160pM Fe,Midnight 21.172125 17.4251 25.7217 High carbon,Dark 19.980513333333334 6.51691 31.9213 High carbon,Light 13.622434692307692 0.612021 30.8658 Low carbon,Dark 22.2424 22.2424 22.2424 Phloroglucinol 19.395266666666664 15.5259 21.9565 Silicon starvation,12h 52.9388 52.9388 52.9388