condition mean min max 12pM Fe,Midday 7.74823 7.74823 7.74823 12pM Fe,Midnight 10.26493 8.21676 12.3131 58pM Fe,Midday 11.478 11.478 11.478 58pM Fe,Midnight 14.118342857142856 10.0257 30.9482 233pM Fe,Midnight 15.873233333333333 15.2142 17.1327 1160pM Fe,Midday 1.9347914285714285 1.27214 2.69574 1160pM Fe,Midnight 28.1503 14.6283 41.5495 High carbon,Dark 30.562873333333332 12.9966 52.3917 High carbon,Light 30.462090076923076 0.0 98.0976 Low carbon,Dark 12.1662 12.1662 12.1662 Phloroglucinol 12.402183333333333 5.39395 19.4755 Silicon starvation,12h 18.7238 18.7238 18.7238