condition mean min max 12pM Fe,Midday 30.7988 30.7988 30.7988 12pM Fe,Midnight 6.628045 3.82442 9.43167 58pM Fe,Midday 21.5577 21.5577 21.5577 58pM Fe,Midnight 3.4459085714285713 0.0 5.71539 233pM Fe,Midnight 2.883173333333333 2.00394 4.36593 1160pM Fe,Midday 14.260171428571429 12.5424 15.544 1160pM Fe,Midnight 2.29526075 0.0 6.37693 High carbon,Dark 9.273083333333334 3.88121 14.8685 High carbon,Light 7.112278846153846 0.851175 24.0407 Low carbon,Dark 5.22878 5.22878 5.22878 Phloroglucinol 2.9737033333333334 2.59245 3.19683 Silicon starvation,12h 20.4005 20.4005 20.4005