condition mean min max 12pM Fe,Midday 7.14594 7.14594 7.14594 12pM Fe,Midnight 6.17704 5.59817 6.75591 58pM Fe,Midday 6.78292 6.78292 6.78292 58pM Fe,Midnight 6.371858571428572 0.0 8.654 233pM Fe,Midnight 2.299526666666667 1.9744 2.49676 1160pM Fe,Midday 4.072135714285714 2.74252 4.79349 1160pM Fe,Midnight 1.9452606666666665 0.781588 3.20425 High carbon,Dark 5.654845466666666 0.751432 15.1848 High carbon,Light 3.9552725384615384 0.0 13.7209 Low carbon,Dark 9.28951 9.28951 9.28951 Phloroglucinol 3.30078 2.21297 4.1071 Silicon starvation,12h 7.98379 7.98379 7.98379