condition mean min max 12pM Fe,Midday 23.2368 23.2368 23.2368 12pM Fe,Midnight 28.45595 26.9753 29.9366 58pM Fe,Midday 15.5403 15.5403 15.5403 58pM Fe,Midnight 19.4034 0.0 27.1436 233pM Fe,Midnight 30.9213 30.1202 31.9924 1160pM Fe,Midday 16.274371428571428 13.0775 19.4359 1160pM Fe,Midnight 19.004541666666668 15.8476 23.8961 High carbon,Dark 23.430578 9.90747 37.6853 High carbon,Light 19.988173076923076 1.27254 39.3693 Low carbon,Dark 26.3435 26.3435 26.3435 Phloroglucinol 14.380433333333333 11.3439 16.9358 Silicon starvation,12h 45.1975 45.1975 45.1975