condition mean min max 12pM Fe,Midday 17.9283 17.9283 17.9283 12pM Fe,Midnight 41.2775 38.781 43.774 58pM Fe,Midday 13.0083 13.0083 13.0083 58pM Fe,Midnight 26.773585714285716 0.0 34.3248 233pM Fe,Midnight 27.8005 27.3397 28.1363 1160pM Fe,Midday 12.566071428571428 10.4329 15.7185 1160pM Fe,Midnight 18.936161666666667 6.91854 28.4131 High carbon,Dark 17.850377333333334 8.77719 29.0329 High carbon,Light 11.110327692307692 1.94284 19.3251 Low carbon,Dark 8.1572 8.1572 8.1572 Phloroglucinol 7.976283333333333 5.66732 11.9703 Silicon starvation,12h 16.321 16.321 16.321