condition mean min max 12pM Fe,Midday 24.9271 24.9271 24.9271 12pM Fe,Midnight 35.1914 32.7944 37.5884 58pM Fe,Midday 21.5252 21.5252 21.5252 58pM Fe,Midnight 40.315014285714284 28.5506 106.762 233pM Fe,Midnight 30.622066666666665 28.298 32.7076 1160pM Fe,Midday 13.186714285714286 10.8824 17.5354 1160pM Fe,Midnight 39.768033333333335 35.1817 45.5945 High carbon,Dark 55.5736 34.7997 96.111 High carbon,Light 48.113826153846155 1.22046 97.9715 Low carbon,Dark 26.8411 26.8411 26.8411 Phloroglucinol 36.96426666666667 27.9112 49.107 Silicon starvation,12h 66.8127 66.8127 66.8127