condition mean min max 12pM Fe,Midday 36.4399 36.4399 36.4399 12pM Fe,Midnight 31.5738 31.4457 31.7019 58pM Fe,Midday 30.1856 30.1856 30.1856 58pM Fe,Midnight 23.985171428571427 0.0 28.886 233pM Fe,Midnight 21.220433333333332 20.1859 22.1613 1160pM Fe,Midday 28.58122857142857 26.5654 31.2315 1160pM Fe,Midnight 13.892544166666667 9.50863 19.9024 High carbon,Dark 18.6802 10.1049 31.3885 High carbon,Light 13.353552307692308 1.08761 27.5147 Low carbon,Dark 13.6785 13.6785 13.6785 Phloroglucinol 29.569633333333332 23.5282 34.2419 Silicon starvation,12h 21.9936 21.9936 21.9936