condition mean min max 12pM Fe,Midday 38.6352 38.6352 38.6352 12pM Fe,Midnight 28.841549999999998 28.3874 29.2957 58pM Fe,Midday 34.1862 34.1862 34.1862 58pM Fe,Midnight 21.889885714285715 0.0 31.5368 233pM Fe,Midnight 20.4071 18.7433 22.6017 1160pM Fe,Midday 23.888314285714284 20.003 27.0797 1160pM Fe,Midnight 15.155113333333333 9.13384 21.6846 High carbon,Dark 20.777224666666665 5.13285 37.8727 High carbon,Light 23.331264615384615 1.97783 50.7886 Low carbon,Dark 18.4248 18.4248 18.4248 Phloroglucinol 33.03863333333334 27.8939 41.4861 Silicon starvation,12h 30.345 30.345 30.345