condition mean min max 12pM Fe,Midday 13.9857 13.9857 13.9857 12pM Fe,Midnight 19.1264 18.7499 19.5029 58pM Fe,Midday 11.3908 11.3908 11.3908 58pM Fe,Midnight 21.78257142857143 14.427 56.4969 233pM Fe,Midnight 13.518233333333333 12.0193 14.6484 1160pM Fe,Midday 7.378401428571428 6.30739 8.62354 1160pM Fe,Midnight 7.2676066666666665 1.23105 15.764 High carbon,Dark 16.094903333333335 9.82375 23.8254 High carbon,Light 13.619446153846154 2.45237 22.0901 Low carbon,Dark 6.19806 6.19806 6.19806 Phloroglucinol 5.18861 4.22006 6.47326 Silicon starvation,12h 10.1276 10.1276 10.1276