condition mean min max 12pM Fe,Midday 32.1654 32.1654 32.1654 12pM Fe,Midnight 24.1133 21.3998 26.8268 58pM Fe,Midday 22.6846 22.6846 22.6846 58pM Fe,Midnight 14.812885714285715 0.0 19.353 233pM Fe,Midnight 16.2862 15.0228 17.0767 1160pM Fe,Midday 28.69272857142857 25.9347 31.864 1160pM Fe,Midnight 7.345305 4.51758 9.66979 High carbon,Dark 15.140991333333332 6.83642 22.7924 High carbon,Light 14.781063076923077 3.56226 30.5622 Low carbon,Dark 12.42 12.42 12.42 Phloroglucinol 26.605533333333334 24.1925 27.8388 Silicon starvation,12h 44.0314 44.0314 44.0314