condition mean min max 12pM Fe,Midday 40.9569 40.9569 40.9569 12pM Fe,Midnight 28.907400000000003 27.8728 29.942 58pM Fe,Midday 31.9348 31.9348 31.9348 58pM Fe,Midnight 23.563985714285714 0.0 33.1324 233pM Fe,Midnight 27.277033333333332 24.3925 30.4166 1160pM Fe,Midday 24.49932857142857 18.8145 28.5863 1160pM Fe,Midnight 15.834933333333334 10.8074 20.5798 High carbon,Dark 24.721859333333335 9.64071 41.8421 High carbon,Light 20.247712307692307 5.2521 38.0243 Low carbon,Dark 29.6526 29.6526 29.6526 Phloroglucinol 14.154823333333333 7.62317 20.9971 Silicon starvation,12h 38.5311 38.5311 38.5311