Mineral† | Fayetteville | Kibler | Ratio‡ | F test§ | Optimum range¶ | |||||
P | 0.3 | 0.4 | 1.14 | NS | 0.1 - 0.5 | |||||
K | 2.1 | 2.3 | 1.05 | NS | 0.5 - 0.6 | |||||
Ca | 1.1 | 1.1 | 0.95 | NS | 0.2 - 1 | |||||
Mg | 0.3 | 0.4 | 1.43 | *** | 0.1 - 0.4 | |||||
S | 0.3 | 0.3 | 0.98 | NS | 0.25 - 0.3 | |||||
Fe | 126 | 179 | 1.42 | ** | 50 - 250 | |||||
Mn | 61 | 40 | 0.66 | ** | 20 - 500 | |||||
Zn | 34 | 43 | 1.27 | * | 25 - 150 | |||||
Cu | 10 | 9 | 0.99 | NS | 5 - 20 | |||||
B | 27 | 42 | 1.56 | *** | 20 - 60 |