condition mean min max 12pM Fe,Midday 334.489 334.489 334.489 12pM Fe,Midnight 361.046 357.673 364.419 58pM Fe,Midday 280.311 280.311 280.311 58pM Fe,Midnight 258.7814285714286 0.0 341.066 233pM Fe,Midnight 324.176 319.368 329.124 1160pM Fe,Midday 194.32857142857142 166.658 215.202 1160pM Fe,Midnight 115.34753333333333 50.8528 223.881 High carbon,Dark 165.50582 19.6349 430.244 High carbon,Light 69.69025384615385 34.7279 132.241 Low carbon,Dark 583.793 583.793 583.793 Phloroglucinol 45.841166666666666 24.3978 64.8956 Silicon starvation,12h 105.73 105.73 105.73