condition mean min max 12pM Fe,Midday 25.6818 25.6818 25.6818 12pM Fe,Midnight 33.3614 28.6673 38.0555 58pM Fe,Midday 18.7212 18.7212 18.7212 58pM Fe,Midnight 37.56574285714286 24.7857 94.6065 233pM Fe,Midnight 28.839066666666668 28.3938 29.2529 1160pM Fe,Midday 12.176914285714286 10.562 15.78 1160pM Fe,Midnight 16.63971666666667 8.10168 32.4148 High carbon,Dark 21.534161333333333 4.00712 31.908 High carbon,Light 9.670951538461539 1.8025 17.7299 Low carbon,Dark 13.4061 13.4061 13.4061 Phloroglucinol 8.863290000000001 5.97302 11.6949 Silicon starvation,12h 22.7889 22.7889 22.7889