condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 2.4710900000000002 1.66239 3.27979 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 1.3598714285714286 0.0 4.25888 233pM Fe,Midnight 0.33030366666666666 0.0 0.990911 1160pM Fe,Midday 0.0 0.0 0.0 1160pM Fe,Midnight 0.5032458333333334 0.0 1.26225 High carbon,Dark 5.350316666666667 0.0 25.7686 High carbon,Light 1.5147423076923077 0.0 13.7906 Low carbon,Dark 20.7802 20.7802 20.7802 Phloroglucinol 1.0599333333333334 0.0 2.17813 Silicon starvation,12h 8.18553 8.18553 8.18553