condition mean min max 12pM Fe,Midday 54.5284 54.5284 54.5284 12pM Fe,Midnight 47.87715 47.844 47.9103 58pM Fe,Midday 39.7075 39.7075 39.7075 58pM Fe,Midnight 39.96751428571429 33.4735 61.8313 233pM Fe,Midnight 34.14666666666667 34.0857 34.2332 1160pM Fe,Midday 33.179457142857146 30.5599 36.0059 1160pM Fe,Midnight 23.593283333333332 18.1683 31.4551 High carbon,Dark 29.344913333333334 12.1347 55.8779 High carbon,Light 26.82068307692308 5.11987 58.7441 Low carbon,Dark 26.9918 26.9918 26.9918 Phloroglucinol 61.277899999999995 53.2969 71.1009 Silicon starvation,12h 41.3171 41.3171 41.3171