condition mean min max 12pM Fe,Midday 51.3334 51.3334 51.3334 12pM Fe,Midnight 41.360749999999996 40.7255 41.996 58pM Fe,Midday 59.3517 59.3517 59.3517 58pM Fe,Midnight 34.017585714285715 0.0 55.4571 233pM Fe,Midnight 18.2821 13.5771 21.2354 1160pM Fe,Midday 26.604785714285715 22.6107 28.895 1160pM Fe,Midnight 19.817933333333333 11.9093 26.9879 High carbon,Dark 25.555873333333334 8.3657 50.1411 High carbon,Light 24.56830076923077 4.83531 47.8696 Low carbon,Dark 28.9172 28.9172 28.9172 Phloroglucinol 81.17606666666667 65.6204 90.9311 Silicon starvation,12h 91.9051 91.9051 91.9051