condition mean min max 12pM Fe,Midday 21.9542 21.9542 21.9542 12pM Fe,Midnight 20.1817 19.8208 20.5426 58pM Fe,Midday 15.3701 15.3701 15.3701 58pM Fe,Midnight 11.620357142857143 0.0 16.4088 233pM Fe,Midnight 14.1335 11.8147 16.2266 1160pM Fe,Midday 17.728571428571428 15.8261 20.0269 1160pM Fe,Midnight 5.283483333333334 2.69634 9.46931 High carbon,Dark 9.340265933333333 0.382374 22.089 High carbon,Light 7.54756076923077 1.4203 13.7249 Low carbon,Dark 7.05656 7.05656 7.05656 Phloroglucinol 7.311143333333334 4.88085 9.04021 Silicon starvation,12h 21.0018 21.0018 21.0018