condition mean min max 12pM Fe,Midday 50.4914 50.4914 50.4914 12pM Fe,Midnight 30.91355 30.3633 31.4638 58pM Fe,Midday 47.8768 47.8768 47.8768 58pM Fe,Midnight 25.76142857142857 19.8744 47.6101 233pM Fe,Midnight 24.271366666666665 21.8527 27.8955 1160pM Fe,Midday 44.914385714285714 40.8642 49.2354 1160pM Fe,Midnight 13.995483333333333 11.2054 15.6328 High carbon,Dark 21.515107999999998 7.64169 35.9062 High carbon,Light 22.559676153846155 5.44257 36.2931 Low carbon,Dark 20.2396 20.2396 20.2396 Phloroglucinol 22.156200000000002 16.8499 32.6661 Silicon starvation,12h 33.3001 33.3001 33.3001