condition mean min max 12pM Fe,Midday 30.5005 30.5005 30.5005 12pM Fe,Midnight 29.7997 28.6633 30.9361 58pM Fe,Midday 26.855 26.855 26.855 58pM Fe,Midnight 27.772628571428573 23.4544 32.371 233pM Fe,Midnight 23.766033333333333 23.4034 24.3191 1160pM Fe,Midday 24.295428571428573 23.0375 26.6436 1160pM Fe,Midnight 12.870084166666667 7.75851 22.9223 High carbon,Dark 23.659593333333333 12.0555 32.086 High carbon,Light 17.384594615384614 2.21852 29.2614 Low carbon,Dark 15.297 15.297 15.297 Phloroglucinol 20.0362 15.4315 25.3465 Silicon starvation,12h 18.8964 18.8964 18.8964