condition mean min max 12pM Fe,Midday 27.0218 27.0218 27.0218 12pM Fe,Midnight 13.53655 11.9415 15.1316 58pM Fe,Midday 13.2426 13.2426 13.2426 58pM Fe,Midnight 7.02507 0.0 10.2818 233pM Fe,Midnight 5.977076666666666 4.91906 6.95799 1160pM Fe,Midday 11.60981857142857 8.82673 14.1742 1160pM Fe,Midnight 5.959891666666667 3.67644 9.06791 High carbon,Dark 9.2529682 0.0 25.1309 High carbon,Light 9.352016384615386 0.0 35.4772 Low carbon,Dark 25.6701 25.6701 25.6701 Phloroglucinol 1.6010633333333333 1.042 2.62827 Silicon starvation,12h 27.4377 27.4377 27.4377