condition mean min max 12pM Fe,Midday 23.8965 23.8965 23.8965 12pM Fe,Midnight 21.785800000000002 18.8721 24.6995 58pM Fe,Midday 21.3037 21.3037 21.3037 58pM Fe,Midnight 31.86817142857143 18.9884 63.8714 233pM Fe,Midnight 34.515166666666666 32.5614 37.4233 1160pM Fe,Midday 36.99077142857143 32.4383 43.2298 1160pM Fe,Midnight 20.513091666666668 14.6133 30.3484 High carbon,Dark 15.319270666666666 3.53554 28.7949 High carbon,Light 10.535189846153846 0.846208 18.5875 Low carbon,Dark 21.0213 21.0213 21.0213 Phloroglucinol 4.7095199999999995 4.40681 5.29163 Silicon starvation,12h 33.7354 33.7354 33.7354