condition mean min max 12pM Fe,Midday 42.7084 42.7084 42.7084 12pM Fe,Midnight 31.744500000000002 30.24 33.249 58pM Fe,Midday 31.626 31.626 31.626 58pM Fe,Midnight 23.010528571428573 0.0 29.5901 233pM Fe,Midnight 21.141366666666666 20.3295 22.1562 1160pM Fe,Midday 24.76602857142857 20.0351 29.786 1160pM Fe,Midnight 34.84726083333333 9.64557 67.2096 High carbon,Dark 16.355422666666666 3.53953 45.6068 High carbon,Light 16.180906153846152 1.12172 44.0579 Low carbon,Dark 9.84391 9.84391 9.84391 Phloroglucinol 36.99673333333333 25.2438 44.5745 Silicon starvation,12h 45.3251 45.3251 45.3251