condition mean min max 12pM Fe,Midday 39.3652 39.3652 39.3652 12pM Fe,Midnight 45.428650000000005 43.3464 47.5109 58pM Fe,Midday 27.1486 27.1486 27.1486 58pM Fe,Midnight 47.18797142857143 29.9266 102.896 233pM Fe,Midnight 36.453966666666666 34.6387 37.7698 1160pM Fe,Midday 28.74812857142857 26.0176 32.382 1160pM Fe,Midnight 30.985433333333333 25.1026 36.3042 High carbon,Dark 38.119546666666665 16.3303 171.117 High carbon,Light 23.26941076923077 7.66814 52.0362 Low carbon,Dark 16.6973 16.6973 16.6973 Phloroglucinol 20.8592 15.417 27.214 Silicon starvation,12h 38.9487 38.9487 38.9487