condition mean min max 12pM Fe,Midday 19.7381 19.7381 19.7381 12pM Fe,Midnight 20.4669 20.0262 20.9076 58pM Fe,Midday 14.4833 14.4833 14.4833 58pM Fe,Midnight 12.8163 0.0 16.3716 233pM Fe,Midnight 11.568200000000001 10.1936 13.1309 1160pM Fe,Midday 13.825014285714285 12.3695 15.7171 1160pM Fe,Midnight 5.687111666666667 2.95209 8.49297 High carbon,Dark 8.979208666666667 2.79772 18.2298 High carbon,Light 6.643672230769231 0.225109 14.7085 Low carbon,Dark 12.2558 12.2558 12.2558 Phloroglucinol 8.320566666666666 6.7974 10.8237 Silicon starvation,12h 19.3564 19.3564 19.3564