condition mean min max 12pM Fe,Midday 18.8946 18.8946 18.8946 12pM Fe,Midnight 19.39085 17.4637 21.318 58pM Fe,Midday 12.618 12.618 12.618 58pM Fe,Midnight 18.2408 15.5138 31.683 233pM Fe,Midnight 12.132900000000001 11.656 12.7537 1160pM Fe,Midday 13.575814285714285 12.8063 14.2599 1160pM Fe,Midnight 8.47209 6.95374 11.0226 High carbon,Dark 10.248576 4.46417 16.1773 High carbon,Light 6.861146923076923 1.15433 16.6932 Low carbon,Dark 8.68955 8.68955 8.68955 Phloroglucinol 12.369566666666667 11.5511 13.2919 Silicon starvation,12h 11.1561 11.1561 11.1561