condition mean min max 12pM Fe,Midday 5.97322 5.97322 5.97322 12pM Fe,Midnight 270.615 236.798 304.432 58pM Fe,Midday 2.95982 2.95982 2.95982 58pM Fe,Midnight 121.89857142857143 0.0 151.386 233pM Fe,Midnight 281.24733333333336 279.293 282.297 1160pM Fe,Midday 2.0516642857142857 1.69101 2.52151 1160pM Fe,Midnight 152.3505 129.56 174.633 High carbon,Dark 161.40825333333333 35.4753 493.44 High carbon,Light 509.54104384615385 9.30017 1767.13 Low carbon,Dark 112.981 112.981 112.981 Phloroglucinol 118.68373333333334 57.4622 157.853 Silicon starvation,12h 114.6 114.6 114.6