condition mean min max 12pM Fe,Midday 19.005 19.005 19.005 12pM Fe,Midnight 18.7009 15.7384 21.6634 58pM Fe,Midday 16.8165 16.8165 16.8165 58pM Fe,Midnight 13.861728571428571 0.0 18.7536 233pM Fe,Midnight 11.57562 9.35946 12.9317 1160pM Fe,Midday 13.494471428571428 11.3473 16.3437 1160pM Fe,Midnight 5.545273333333333 4.31632 8.40846 High carbon,Dark 17.966415333333334 6.13591 29.0916 High carbon,Light 16.764876923076923 3.51865 28.6044 Low carbon,Dark 25.7354 25.7354 25.7354 Phloroglucinol 19.540466666666667 14.0179 25.4167 Silicon starvation,12h 29.4361 29.4361 29.4361