condition mean min max 12pM Fe,Midday 5.80256 5.80256 5.80256 12pM Fe,Midnight 9.451155 7.73861 11.1637 58pM Fe,Midday 5.90453 5.90453 5.90453 58pM Fe,Midnight 21.71399142857143 7.34612 103.137 233pM Fe,Midnight 16.8688 15.1774 18.3446 1160pM Fe,Midday 4.707762857142857 2.73783 6.36908 1160pM Fe,Midnight 3.4174291666666665 1.21701 7.09037 High carbon,Dark 12.790707333333334 1.83934 22.8002 High carbon,Light 6.8866169230769225 1.17901 16.5779 Low carbon,Dark 12.7291 12.7291 12.7291 Phloroglucinol 1.960073 0.395329 3.48507 Silicon starvation,12h 16.5074 16.5074 16.5074