condition mean min max 12pM Fe,Midday 22.1275 22.1275 22.1275 12pM Fe,Midnight 9.92431 9.85671 9.99191 58pM Fe,Midday 21.898 21.898 21.898 58pM Fe,Midnight 4.542078571428571 0.0 7.12628 233pM Fe,Midnight 8.987336666666668 6.67788 10.6979 1160pM Fe,Midday 17.995271428571428 13.5205 23.977 1160pM Fe,Midnight 6.7096808333333335 1.7951 15.198 High carbon,Dark 16.110676666666667 2.30727 38.3971 High carbon,Light 17.283193076923077 3.94389 30.9293 Low carbon,Dark 14.6664 14.6664 14.6664 Phloroglucinol 6.266563333333334 4.23364 8.72789 Silicon starvation,12h 18.8848 18.8848 18.8848