condition mean min max 12pM Fe,Midday 69.8312 69.8312 69.8312 12pM Fe,Midnight 31.843049999999998 31.1735 32.5126 58pM Fe,Midday 37.2291 37.2291 37.2291 58pM Fe,Midnight 24.7927 0.0 32.1256 233pM Fe,Midnight 24.608533333333334 21.1075 26.4554 1160pM Fe,Midday 38.16412857142857 33.5459 43.5038 1160pM Fe,Midnight 34.609025 18.4553 50.034 High carbon,Dark 44.451233333333334 13.8564 138.463 High carbon,Light 42.88727 6.53641 128.995 Low carbon,Dark 24.6887 24.6887 24.6887 Phloroglucinol 91.06273333333334 63.8992 105.661 Silicon starvation,12h 39.2331 39.2331 39.2331