• Soybeans
• Soil Health
• Sustainability
• University of Saskatchewan

Objective

Quantify biological nitrogen fixation and total nitrogen uptake In short-season soybean varieties to determine: 1) Cccupancy in nodules of introduced Bradyrhizobia strain in soybean grown in soils with and without a history of soybean production and to determine if inoculant strain affects nodule occupancy, 2) Nitrogen uptake rates at different developmental stages of short-season soybean, 3) The impact of low temperatures on biological nitrogen fixation in short-season soybean, 3) Biolgoical nitrogen fixation, and nodule occupancy in field grown short-season soybean varieties, and to quantify biological nitrogen fixation in very-late seeded soybean plots to evaluate how eliminating cool spring/early summer temperatures affects biological nitrogen fixation and providing cooler temperatures at flowering,

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