condition mean min max 12pM Fe,Midday 47.0358 47.0358 47.0358 12pM Fe,Midnight 54.96084999999999 54.8445 55.0772 58pM Fe,Midday 53.1804 53.1804 53.1804 58pM Fe,Midnight 50.85782857142857 38.8186 84.4474 233pM Fe,Midnight 41.109833333333334 36.5203 43.7907 1160pM Fe,Midday 41.77542857142857 38.6569 45.7643 1160pM Fe,Midnight 30.779783333333334 21.7005 40.7055 High carbon,Dark 116.20062 44.7974 363.168 High carbon,Light 137.6798076923077 11.7475 453.781 Low carbon,Dark 87.6259 87.6259 87.6259 Phloroglucinol 109.28886666666666 98.6726 114.769 Silicon starvation,12h 80.2857 80.2857 80.2857