condition mean min max 12pM Fe,Midday 32.6366 32.6366 32.6366 12pM Fe,Midnight 30.6551 28.5704 32.7398 58pM Fe,Midday 32.3511 32.3511 32.3511 58pM Fe,Midnight 18.602914285714284 0.0 22.9256 233pM Fe,Midnight 16.882466666666666 15.9417 17.9182 1160pM Fe,Midday 15.959742857142857 15.0861 17.0594 1160pM Fe,Midnight 17.773041666666668 10.9322 22.6147 High carbon,Dark 24.117154666666668 7.21344 87.2481 High carbon,Light 14.91414076923077 3.28333 26.8382 Low carbon,Dark 18.9644 18.9644 18.9644 Phloroglucinol 13.2883 12.4259 14.7063 Silicon starvation,12h 28.3239 28.3239 28.3239