condition mean min max 12pM Fe,Midday 17.9326 17.9326 17.9326 12pM Fe,Midnight 17.3659 17.1704 17.5614 58pM Fe,Midday 13.8842 13.8842 13.8842 58pM Fe,Midnight 10.959442857142857 0.0 15.662 233pM Fe,Midnight 9.822366666666667 8.61519 11.6384 1160pM Fe,Midday 6.294382857142857 4.90152 9.54997 1160pM Fe,Midnight 3.259380833333333 1.37908 5.58536 High carbon,Dark 6.851545333333333 3.47525 14.2323 High carbon,Light 4.125239692307693 0.733097 9.18576 Low carbon,Dark 7.77063 7.77063 7.77063 Phloroglucinol 4.124766666666666 3.83933 4.37794 Silicon starvation,12h 18.9608 18.9608 18.9608