condition mean min max 12pM Fe,Midday 43.7558 43.7558 43.7558 12pM Fe,Midnight 38.116 36.5158 39.7162 58pM Fe,Midday 34.8932 34.8932 34.8932 58pM Fe,Midnight 26.01792857142857 0.0 33.4573 233pM Fe,Midnight 29.322966666666666 27.1376 31.8097 1160pM Fe,Midday 49.96095714285714 44.6826 57.8917 1160pM Fe,Midnight 16.249975 14.049 18.8295 High carbon,Dark 31.542704666666666 9.74667 64.7838 High carbon,Light 29.565213846153846 2.96818 74.7596 Low carbon,Dark 19.3115 19.3115 19.3115 Phloroglucinol 10.119023333333333 7.33417 14.5987 Silicon starvation,12h 51.4306 51.4306 51.4306