condition mean min max 12pM Fe,Midday 64.9028 64.9028 64.9028 12pM Fe,Midnight 37.86835000000001 37.6559 38.0808 58pM Fe,Midday 35.6664 35.6664 35.6664 58pM Fe,Midnight 19.780514285714286 0.0 26.4941 233pM Fe,Midnight 19.279433333333333 17.9284 20.7638 1160pM Fe,Midday 27.396228571428573 20.8545 38.0758 1160pM Fe,Midnight 13.283064166666668 9.82097 18.0774 High carbon,Dark 19.971552666666668 3.60936 31.9189 High carbon,Light 18.31867692307692 2.68134 33.4966 Low carbon,Dark 15.5422 15.5422 15.5422 Phloroglucinol 25.037333333333333 14.5555 31.1856 Silicon starvation,12h 26.6916 26.6916 26.6916