condition mean min max 12pM Fe,Midday 48.1983 48.1983 48.1983 12pM Fe,Midnight 43.53555 39.9428 47.1283 58pM Fe,Midday 55.3092 55.3092 55.3092 58pM Fe,Midnight 34.65022857142857 0.0 45.4007 233pM Fe,Midnight 35.14013333333333 31.9487 38.4585 1160pM Fe,Midday 37.9402 29.8857 43.9716 1160pM Fe,Midnight 34.964416666666665 17.8628 52.2365 High carbon,Dark 52.591053333333335 29.0879 84.9773 High carbon,Light 50.041169230769235 22.443 84.4933 Low carbon,Dark 45.279 45.279 45.279 Phloroglucinol 97.855 81.4171 126.732 Silicon starvation,12h 85.2694 85.2694 85.2694