condition mean min max 12pM Fe,Midday 23.3553 23.3553 23.3553 12pM Fe,Midnight 45.14375 41.977 48.3105 58pM Fe,Midday 19.0935 19.0935 19.0935 58pM Fe,Midnight 35.476414285714284 30.9246 45.1222 233pM Fe,Midnight 29.637566666666668 27.9832 31.3443 1160pM Fe,Midday 15.907142857142857 14.168 17.9793 1160pM Fe,Midnight 32.04645 23.7953 38.7424 High carbon,Dark 37.541093333333336 12.4544 107.026 High carbon,Light 22.060595384615386 1.37551 39.6441 Low carbon,Dark 14.6443 14.6443 14.6443 Phloroglucinol 20.462633333333333 14.0783 28.4513 Silicon starvation,12h 24.2658 24.2658 24.2658