condition mean min max 12pM Fe,Midday 31.8943 31.8943 31.8943 12pM Fe,Midnight 25.421550000000003 24.8209 26.0222 58pM Fe,Midday 22.8235 22.8235 22.8235 58pM Fe,Midnight 32.980042857142855 18.2867 114.141 233pM Fe,Midnight 17.995466666666665 17.0097 19.1296 1160pM Fe,Midday 18.579128571428573 17.7246 21.0831 1160pM Fe,Midnight 14.071 11.9685 16.8384 High carbon,Dark 19.994813333333333 11.3653 26.7329 High carbon,Light 16.02543923076923 1.80165 27.1347 Low carbon,Dark 13.3915 13.3915 13.3915 Phloroglucinol 20.752633333333332 16.5779 28.511 Silicon starvation,12h 35.8674 35.8674 35.8674