condition mean min max 12pM Fe,Midday 23.1784 23.1784 23.1784 12pM Fe,Midnight 3.097295 2.86981 3.32478 58pM Fe,Midday 19.8021 19.8021 19.8021 58pM Fe,Midnight 0.5044534285714286 0.0 1.34916 233pM Fe,Midnight 0.6652946666666666 0.506072 0.746628 1160pM Fe,Midday 14.435057142857143 10.3706 18.9564 1160pM Fe,Midnight 0.0 0.0 0.0 High carbon,Dark 5.075949866666667 0.0 19.2576 High carbon,Light 4.400035384615385 0.0 20.9623 Low carbon,Dark 5.19504 5.19504 5.19504 Phloroglucinol 1.8018366666666668 1.6336 2.00334 Silicon starvation,12h 28.8767 28.8767 28.8767