condition mean min max 12pM Fe,Midday 27.5573 27.5573 27.5573 12pM Fe,Midnight 38.1412 35.0859 41.1965 58pM Fe,Midday 26.7788 26.7788 26.7788 58pM Fe,Midnight 21.092928571428573 0.0 27.9545 233pM Fe,Midnight 28.509266666666665 27.9118 29.5735 1160pM Fe,Midday 20.52987142857143 18.2816 25.0225 1160pM Fe,Midnight 15.297083333333333 11.2081 18.2632 High carbon,Dark 18.643972 5.58505 32.9501 High carbon,Light 16.91009076923077 1.44851 38.0018 Low carbon,Dark 19.9909 19.9909 19.9909 Phloroglucinol 18.062666666666665 16.6514 19.6 Silicon starvation,12h 42.1379 42.1379 42.1379