condition mean min max 12pM Fe,Midday 35.5083 35.5083 35.5083 12pM Fe,Midnight 27.7285 25.0946 30.3624 58pM Fe,Midday 15.3606 15.3606 15.3606 58pM Fe,Midnight 17.715757142857143 0.0 25.6143 233pM Fe,Midnight 19.558533333333333 16.9873 24.0791 1160pM Fe,Midday 22.56132857142857 16.3104 28.1851 1160pM Fe,Midnight 7.8951125 3.04066 13.4404 High carbon,Dark 12.287066666666666 0.0 25.099 High carbon,Light 7.258798230769231 0.929077 18.7205 Low carbon,Dark 11.5399 11.5399 11.5399 Phloroglucinol 11.651143333333334 8.97963 15.5903 Silicon starvation,12h 22.4479 22.4479 22.4479