condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 18.1738 16.3989 19.9487 58pM Fe,Midday 1.76805 1.76805 1.76805 58pM Fe,Midnight 11.493057142857143 0.0 15.5153 233pM Fe,Midnight 13.047876666666667 9.36233 18.0841 1160pM Fe,Midday 0.2104255714285714 0.0 0.639396 1160pM Fe,Midnight 7.3813925 4.02318 12.064 High carbon,Dark 6.616042666666667 0.0 14.0373 High carbon,Light 1.7626580769230769 0.0 7.99075 Low carbon,Dark 5.84442 5.84442 5.84442 Phloroglucinol 2.347113333333333 1.75292 3.2672 Silicon starvation,12h 0.0 0.0 0.0