condition mean min max 12pM Fe,Midday 518.316 518.316 518.316 12pM Fe,Midnight 387.248 381.243 393.253 58pM Fe,Midday 455.745 455.745 455.745 58pM Fe,Midnight 220.8887142857143 0.0 332.931 233pM Fe,Midnight 131.06133333333332 119.716 144.139 1160pM Fe,Midday 342.4812857142857 325.5 362.49 1160pM Fe,Midnight 111.24585833333333 80.802 138.901 High carbon,Dark 216.90782666666667 67.1664 386.456 High carbon,Light 235.28 42.2205 484.817 Low carbon,Dark 450.256 450.256 450.256 Phloroglucinol 52.19446666666666 35.535 61.2811 Silicon starvation,12h 224.425 224.425 224.425