condition mean min max 12pM Fe,Midday 0.697287 0.697287 0.697287 12pM Fe,Midnight 51.2288 47.3765 55.0811 58pM Fe,Midday 0.0 0.0 0.0 58pM Fe,Midnight 37.821200000000005 21.8804 82.6254 233pM Fe,Midnight 32.30513333333333 29.8249 36.3322 1160pM Fe,Midday 1.1297247142857143 0.371881 1.76623 1160pM Fe,Midnight 18.883391666666668 10.672 33.4035 High carbon,Dark 20.543061333333334 4.789 36.7394 High carbon,Light 10.378961461538461 0.273668 34.8403 Low carbon,Dark 15.4852 15.4852 15.4852 Phloroglucinol 93.13603333333333 78.8603 114.471 Silicon starvation,12h 34.3837 34.3837 34.3837