condition mean min max 12pM Fe,Midday 23.68 23.68 23.68 12pM Fe,Midnight 21.71845 21.3457 22.0912 58pM Fe,Midday 15.4067 15.4067 15.4067 58pM Fe,Midnight 29.23615714285714 11.2882 92.8447 233pM Fe,Midnight 14.140233333333333 13.222 14.9937 1160pM Fe,Midday 22.149157142857142 19.0422 25.2624 1160pM Fe,Midnight 14.936570833333333 7.38379 21.8382 High carbon,Dark 16.025526666666668 3.58196 70.3347 High carbon,Light 14.501085384615385 1.9476 26.1935 Low carbon,Dark 23.908 23.908 23.908 Phloroglucinol 43.164966666666665 27.4949 54.3902 Silicon starvation,12h 18.2284 18.2284 18.2284