condition mean min max 12pM Fe,Midday 47.4283 47.4283 47.4283 12pM Fe,Midnight 43.447 39.0551 47.8389 58pM Fe,Midday 42.3878 42.3878 42.3878 58pM Fe,Midnight 39.806357142857145 32.5415 56.3884 233pM Fe,Midnight 43.4924 41.5808 44.9368 1160pM Fe,Midday 31.1055 24.982 35.411 1160pM Fe,Midnight 20.449075 13.0077 32.5395 High carbon,Dark 30.764486666666667 14.3302 42.8869 High carbon,Light 28.688276923076923 15.9003 41.0829 Low carbon,Dark 29.642 29.642 29.642 Phloroglucinol 32.36023333333333 26.4751 42.9397 Silicon starvation,12h 51.0824 51.0824 51.0824