condition mean min max 12pM Fe,Midday 22.9374 22.9374 22.9374 12pM Fe,Midnight 26.86185 26.327 27.3967 58pM Fe,Midday 19.0904 19.0904 19.0904 58pM Fe,Midnight 19.537585714285715 0.0 25.3295 233pM Fe,Midnight 28.136233333333333 24.8768 32.9426 1160pM Fe,Midday 16.8961 15.1802 19.175 1160pM Fe,Midnight 18.839558333333333 11.6852 28.9782 High carbon,Dark 33.2078 20.4416 78.4677 High carbon,Light 23.197665384615384 4.30683 46.0492 Low carbon,Dark 18.0827 18.0827 18.0827 Phloroglucinol 12.232873333333332 8.75832 16.5556 Silicon starvation,12h 47.2925 47.2925 47.2925