condition mean min max 12pM Fe,Midday 26.9681 26.9681 26.9681 12pM Fe,Midnight 37.759550000000004 35.0572 40.4619 58pM Fe,Midday 20.8798 20.8798 20.8798 58pM Fe,Midnight 57.58927142857143 23.0625 239.67 233pM Fe,Midnight 33.78143333333333 31.8034 35.4792 1160pM Fe,Midday 19.97297142857143 17.6468 25.5403 1160pM Fe,Midnight 20.702375 15.3599 27.8613 High carbon,Dark 47.33846666666667 14.2311 208.905 High carbon,Light 26.336572307692308 7.93824 67.2916 Low carbon,Dark 32.3188 32.3188 32.3188 Phloroglucinol 39.0406 32.8424 47.3131 Silicon starvation,12h 33.7568 33.7568 33.7568