condition mean min max 12pM Fe,Midday 24.9572 24.9572 24.9572 12pM Fe,Midnight 20.2042 18.4913 21.9171 58pM Fe,Midday 16.4398 16.4398 16.4398 58pM Fe,Midnight 16.631928571428574 0.0 21.3866 233pM Fe,Midnight 16.094533333333334 15.8016 16.4163 1160pM Fe,Midday 12.031600000000001 10.4321 13.3457 1160pM Fe,Midnight 9.137580833333335 3.86681 17.353 High carbon,Dark 25.963243333333335 8.19045 68.1165 High carbon,Light 14.88990423076923 0.37563 29.2677 Low carbon,Dark 4.28075 4.28075 4.28075 Phloroglucinol 11.28452 6.74966 15.1141 Silicon starvation,12h 7.17882 7.17882 7.17882