condition mean min max 12pM Fe,Midday 12.7625 12.7625 12.7625 12pM Fe,Midnight 17.28945 14.8989 19.68 58pM Fe,Midday 6.61997 6.61997 6.61997 58pM Fe,Midnight 34.226775714285715 8.89563 156.445 233pM Fe,Midnight 15.233966666666667 13.9132 16.4406 1160pM Fe,Midday 7.179337142857143 4.92891 8.65195 1160pM Fe,Midnight 18.379875 13.2055 23.4075 High carbon,Dark 22.800604 9.22116 41.1416 High carbon,Light 13.82035 1.78841 25.6495 Low carbon,Dark 10.7269 10.7269 10.7269 Phloroglucinol 9.736836666666667 8.06873 12.5929 Silicon starvation,12h 32.5515 32.5515 32.5515