condition mean min max 12pM Fe,Midday 45.5442 45.5442 45.5442 12pM Fe,Midnight 22.96375 22.1321 23.7954 58pM Fe,Midday 36.0576 36.0576 36.0576 58pM Fe,Midnight 14.813628571428572 0.0 20.8845 233pM Fe,Midnight 14.4524 13.3734 16.0056 1160pM Fe,Midday 32.1514 29.113 35.5106 1160pM Fe,Midnight 15.997306666666667 5.9519 26.1994 High carbon,Dark 21.302335333333335 4.56598 81.1645 High carbon,Light 23.87178846153846 3.5921 54.4901 Low carbon,Dark 13.4559 13.4559 13.4559 Phloroglucinol 39.69273333333334 34.7409 43.8329 Silicon starvation,12h 35.2123 35.2123 35.2123