condition mean min max 12pM Fe,Midday 0.0 0.0 0.0 12pM Fe,Midnight 0.0 0.0 0.0 58pM Fe,Midday 0.600651 0.600651 0.600651 58pM Fe,Midnight 0.4055957142857143 0.0 1.71879 233pM Fe,Midnight 0.42079666666666665 0.0 1.26239 1160pM Fe,Midday 0.06388871428571428 0.0 0.447221 1160pM Fe,Midnight 0.21753883333333335 0.0 0.583591 High carbon,Dark 0.15364666666666665 0.0 1.21432 High carbon,Light 1.4441121538461539 0.0 10.2485 Low carbon,Dark 0.0 0.0 0.0 Phloroglucinol 0.43900300000000003 0.425366 0.46248 Silicon starvation,12h 0.0 0.0 0.0