condition mean min max 12pM Fe,Midday 24.9813 24.9813 24.9813 12pM Fe,Midnight 28.471899999999998 24.3263 32.6175 58pM Fe,Midday 24.918 24.918 24.918 58pM Fe,Midnight 23.30197142857143 0.0 34.7539 233pM Fe,Midnight 23.7634 22.9121 24.4455 1160pM Fe,Midday 18.042085714285715 15.1792 20.1338 1160pM Fe,Midnight 17.316683333333334 14.038 18.8059 High carbon,Dark 15.945946666666666 9.51699 22.982 High carbon,Light 15.141522307692307 2.8672 31.9198 Low carbon,Dark 16.6065 16.6065 16.6065 Phloroglucinol 19.6874 17.484 22.7694 Silicon starvation,12h 30.4946 30.4946 30.4946