A Review of the Role of Manganese in Pine Plantations
D. C. GreySouth African Forestry Research Institute, Saasveld Forestry Research Centre , Private Bag X6515, George, 6530
ABI
Abstract
SYNOPSIS The literature on the physiological role of manganese in trees is reviewed. Manganese (Mn) deficiency is associated with strongly-podzolised soils and good drainage. Deficiency symptoms and foliar nutrient trace element levels are given for the Southern Cape. Future research should concentrate on soil tests: monitoring of foliar levels in second-rotation stands and the evaluation of enzymatic physiological assay techniques.