Plant Growth Regulation · 2010 · 13 citations · 22 references
AgriculturePlant BiologyPlant SciencesCrop PhysiologyPlant NutritionPlant PhysiologyBiological Nitrogen FixationNitrogen AssimilationNitrogen CycleNitrogen FixationNitrogen NutritionSymbiotic Nitrogen FixationNitrate ReductionNitrogen Fixation In SymbiosisNitrogen Fixation SymbiosisNitrogen-fixing NodulesNitrogen-fixing SymbiosisPlant Growth HabitSymbiotic Nitrogen AssimilationSymbiotic Nitrogen Fixing Nodules
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Determination of Total Nitrogen in Plant Material<sup>1</sup>
D. W. Nelson, L. E. Sommers · Agronomy Journal · 1973 · 992 citations