condition mean min max 12pM Fe,Midday 24.069 24.069 24.069 12pM Fe,Midnight 23.384099999999997 21.3498 25.4184 58pM Fe,Midday 20.671 20.671 20.671 58pM Fe,Midnight 13.233571428571429 0.0 19.5989 233pM Fe,Midnight 28.160366666666665 25.5494 31.1571 1160pM Fe,Midday 34.579814285714285 30.4561 44.2308 1160pM Fe,Midnight 7.869364166666666 5.69132 10.0963 High carbon,Dark 35.836526666666664 9.8886 54.7222 High carbon,Light 26.980477307692308 0.833515 60.4092 Low carbon,Dark 50.6146 50.6146 50.6146 Phloroglucinol 31.4544 27.4912 37.5947 Silicon starvation,12h 52.7642 52.7642 52.7642