condition mean min max 12pM Fe,Midday 20.8433 20.8433 20.8433 12pM Fe,Midnight 31.30205 29.1672 33.4369 58pM Fe,Midday 15.8665 15.8665 15.8665 58pM Fe,Midnight 24.225685714285714 18.1605 29.9439 233pM Fe,Midnight 11.294803333333334 9.78551 12.5182 1160pM Fe,Midday 14.458985714285715 11.9745 16.2198 1160pM Fe,Midnight 10.561574166666666 9.21952 12.729 High carbon,Dark 19.651325333333332 2.67197 43.8531 High carbon,Light 11.471688461538461 1.02256 32.0646 Low carbon,Dark 21.8326 21.8326 21.8326 Phloroglucinol 8.197043333333333 6.11431 11.2421 Silicon starvation,12h 9.21411 9.21411 9.21411