condition mean min max 12pM Fe,Midday 15.3131 15.3131 15.3131 12pM Fe,Midnight 8.26587 8.06707 8.46467 58pM Fe,Midday 10.6201 10.6201 10.6201 58pM Fe,Midnight 6.920757142857143 0.0 11.7617 233pM Fe,Midnight 8.742696666666667 8.24783 9.17185 1160pM Fe,Midday 9.99876 7.45478 17.2688 1160pM Fe,Midnight 3.9741641666666667 2.0986 7.35595 High carbon,Dark 5.0929356666666665 0.987145 11.4034 High carbon,Light 2.689775923076923 0.255447 10.4456 Low carbon,Dark 4.93182 4.93182 4.93182 Phloroglucinol 2.72574 1.90183 3.57161 Silicon starvation,12h 11.8524 11.8524 11.8524