condition mean min max 12pM Fe,Midday 0.847074 0.847074 0.847074 12pM Fe,Midnight 0.9152659999999999 0.440462 1.39007 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 1.3272214285714286 0.0 2.4665 233pM Fe,Midnight 0.12170733333333333 0.0 0.245129 1160pM Fe,Midday 2.277415714285714 0.55807 3.24291 1160pM Fe,Midnight 0.21199233333333334 0.0 0.750189 High carbon,Dark 0.4514739333333333 0.0 1.92457 High carbon,Light 0.5252224615384615 0.0 2.20049 Low carbon,Dark 0.729643 0.729643 0.729643 Phloroglucinol 1.248792 0.600153 2.30732 Silicon starvation,12h 6.75884 6.75884 6.75884