condition mean min max 12pM Fe,Midday 30.2066 30.2066 30.2066 12pM Fe,Midnight 30.124650000000003 29.2607 30.9886 58pM Fe,Midday 27.3943 27.3943 27.3943 58pM Fe,Midnight 29.008257142857143 20.4749 66.9036 233pM Fe,Midnight 20.438366666666667 19.9252 20.9733 1160pM Fe,Midday 21.11492857142857 19.4976 22.9175 1160pM Fe,Midnight 14.102341666666668 11.8877 16.9419 High carbon,Dark 18.426546666666667 10.4368 31.8146 High carbon,Light 15.310826923076924 1.77276 27.5289 Low carbon,Dark 16.3615 16.3615 16.3615 Phloroglucinol 46.496966666666665 42.4558 52.0585 Silicon starvation,12h 28.912 28.912 28.912