condition mean min max 12pM Fe,Midday 49.3783 49.3783 49.3783 12pM Fe,Midnight 32.3203 29.4934 35.1472 58pM Fe,Midday 37.7695 37.7695 37.7695 58pM Fe,Midnight 22.865885714285714 0.0 30.1917 233pM Fe,Midnight 19.5251 18.6558 20.8824 1160pM Fe,Midday 24.980271428571427 22.2696 28.9933 1160pM Fe,Midnight 19.097808333333333 17.1558 21.0573 High carbon,Dark 38.595866666666666 21.0436 72.8053 High carbon,Light 36.94338692307692 2.82413 97.1329 Low carbon,Dark 16.7608 16.7608 16.7608 Phloroglucinol 55.21116666666667 53.426 56.886 Silicon starvation,12h 51.507 51.507 51.507