condition mean min max 12pM Fe,Midday 34.9575 34.9575 34.9575 12pM Fe,Midnight 49.76505 44.0417 55.4884 58pM Fe,Midday 18.4507 18.4507 18.4507 58pM Fe,Midnight 27.893957142857143 0.0 37.3544 233pM Fe,Midnight 20.414666666666665 15.5329 26.2322 1160pM Fe,Midday 14.024894285714286 9.12738 22.6159 1160pM Fe,Midnight 12.5702575 5.67189 24.2445 High carbon,Dark 21.3458 3.8881 39.0168 High carbon,Light 9.04433 2.16631 17.4449 Low carbon,Dark 18.9349 18.9349 18.9349 Phloroglucinol 17.63059 7.68607 30.0841 Silicon starvation,12h 28.9623 28.9623 28.9623