condition mean min max 12pM Fe,Midday 90.6473 90.6473 90.6473 12pM Fe,Midnight 49.3 47.7633 50.8367 58pM Fe,Midday 68.9797 68.9797 68.9797 58pM Fe,Midnight 27.44897142857143 0.0 36.7234 233pM Fe,Midnight 20.020666666666667 19.132 21.0755 1160pM Fe,Midday 87.11064285714286 74.7475 97.9667 1160pM Fe,Midnight 10.441613333333333 4.38127 16.7018 High carbon,Dark 24.166657999999998 6.48627 45.436 High carbon,Light 37.90271846153846 1.42307 103.703 Low carbon,Dark 33.3877 33.3877 33.3877 Phloroglucinol 88.08463333333333 68.7573 98.8354 Silicon starvation,12h 82.5208 82.5208 82.5208