condition mean min max 12pM Fe,Midday 58.8085 58.8085 58.8085 12pM Fe,Midnight 59.984300000000005 59.8286 60.14 58pM Fe,Midday 50.65 50.65 50.65 58pM Fe,Midnight 41.07052857142857 17.4068 47.2379 233pM Fe,Midnight 33.588 32.7513 35.241 1160pM Fe,Midday 32.54075714285714 30.3299 36.0667 1160pM Fe,Midnight 18.1622 16.0563 21.8683 High carbon,Dark 26.846988 6.67432 49.7722 High carbon,Light 16.351766153846153 1.85721 32.2509 Low carbon,Dark 20.0512 20.0512 20.0512 Phloroglucinol 34.669533333333334 26.7254 45.7376 Silicon starvation,12h 20.9509 20.9509 20.9509