condition mean min max 12pM Fe,Midday 15.3639 15.3639 15.3639 12pM Fe,Midnight 16.6254 12.8273 20.4235 58pM Fe,Midday 13.5947 13.5947 13.5947 58pM Fe,Midnight 25.6167 15.7147 76.9246 233pM Fe,Midnight 21.111466666666665 19.987 21.7854 1160pM Fe,Midday 12.7034 10.5504 14.982 1160pM Fe,Midnight 8.545995 4.38904 14.4647 High carbon,Dark 12.252886 4.11561 25.5656 High carbon,Light 9.259246923076923 1.82132 14.8536 Low carbon,Dark 13.0103 13.0103 13.0103 Phloroglucinol 4.82262 4.20351 5.7497 Silicon starvation,12h 18.5912 18.5912 18.5912