condition mean min max 12pM Fe,Midday 24.7949 24.7949 24.7949 12pM Fe,Midnight 20.323900000000002 19.9071 20.7407 58pM Fe,Midday 19.5549 19.5549 19.5549 58pM Fe,Midnight 12.121871428571428 0.0 16.4864 233pM Fe,Midnight 7.819203333333333 6.82559 9.57857 1160pM Fe,Midday 9.26433857142857 7.33056 12.5475 1160pM Fe,Midnight 3.6512183333333335 1.2769 7.23196 High carbon,Dark 8.227473066666667 0.0 28.964 High carbon,Light 5.7523106923076925 0.58729 19.6904 Low carbon,Dark 13.1383 13.1383 13.1383 Phloroglucinol 0.389061 0.227186 0.489646 Silicon starvation,12h 0.0 0.0 0.0