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The variation in foliar nutrient concentrations existed between and within clone sources of radiata pine.The relative contribution of each nutrient varies in the different sources of clones.There is little similarity among 3 sources of clones.One consistent pattern across all 3 sources is the negative correlation between the log K and log Mg concentrations.The volume increment was positively correlated to foliar K and Fe concentrations for both GTI and Puruki clones,but negatively correlated to foliar Mg concnetration for Serpentine clones.