Table 2.

Foliar nutrient status of mulched and control trees.

Foliar nutrient levels (ug/g dry wt.)
NutrientMulchedControl
Zinc (Zn)48    42
Manganese (Mn)209**    106
Iron (Fe)123    133
Calcium (Ca)17,90016,600
Potassium (K)24,70024,900
Nitrogen (N)23,800**22,500
Phosphorous (P)1,900*  3,200

  • ↵* Statistical different from control at the 5% level

  • ↵** Though differences between means are large, statistical significance was not achieved because individual values were highly variable.