condition mean min max 12pM Fe,Midday 18.9137 18.9137 18.9137 12pM Fe,Midnight 6.3056149999999995 5.44693 7.1643 58pM Fe,Midday 13.9035 13.9035 13.9035 58pM Fe,Midnight 4.38734 0.0 5.84726 233pM Fe,Midnight 5.669656666666667 5.14075 6.43307 1160pM Fe,Midday 10.57773 8.84566 11.4565 1160pM Fe,Midnight 1.9317716666666667 1.05271 3.50085 High carbon,Dark 6.222666666666667 1.56158 9.81538 High carbon,Light 3.993792076923077 0.204092 7.84668 Low carbon,Dark 3.78265 3.78265 3.78265 Phloroglucinol 4.390373333333334 3.19087 5.7491 Silicon starvation,12h 10.7613 10.7613 10.7613