condition mean min max 12pM Fe,Midday 29.7919 29.7919 29.7919 12pM Fe,Midnight 29.985999999999997 27.626 32.346 58pM Fe,Midday 21.9677 21.9677 21.9677 58pM Fe,Midnight 20.06117142857143 0.0 30.0465 233pM Fe,Midnight 16.856633333333335 15.4053 18.7757 1160pM Fe,Midday 22.67732857142857 18.4743 25.9928 1160pM Fe,Midnight 12.106700833333333 9.35182 15.768 High carbon,Dark 9.894483333333334 2.7544 16.5064 High carbon,Light 7.7653261538461535 1.37911 17.0018 Low carbon,Dark 8.06845 8.06845 8.06845 Phloroglucinol 13.570599999999999 12.5567 14.6236 Silicon starvation,12h 21.8946 21.8946 21.8946