condition mean min max 12pM Fe,Midday 34.4962 34.4962 34.4962 12pM Fe,Midnight 38.127750000000006 36.8295 39.426 58pM Fe,Midday 16.3645 16.3645 16.3645 58pM Fe,Midnight 17.581785714285715 0.0 23.8632 233pM Fe,Midnight 23.9024 21.427 25.7747 1160pM Fe,Midday 15.279814285714286 12.2928 17.5347 1160pM Fe,Midnight 22.6779525 7.98788 41.9694 High carbon,Dark 22.986014666666666 0.703909 54.1129 High carbon,Light 27.428643076923077 1.38993 74.5992 Low carbon,Dark 16.1984 16.1984 16.1984 Phloroglucinol 42.042366666666666 30.0819 48.5938 Silicon starvation,12h 36.1948 36.1948 36.1948