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Effects of Nitrogen Level, Calcium Level and Nitrogen Source upon the Growth and Composition of <i>Pinus taeda</i> L.

BiologyBiogeochemistryEngineeringNitrogen LevelBotanyAnimal NutritionNatural SciencesPhysiologyPlant ProductionPlant NutritionCalcium LevelPlant Growth RegulatorNitrogen SourceCrop PhysiologyPlant Physiology