Overcoming challenges in soybean crop production
Strategic nutrient management and the impact of environmental conditions on soybean growth was the focus of a recent presentation by Shaun Casteel, Associate Professor of Agronomy at Purdue University, during his presentation 'Setting and Expanding on Foundations to Maximize Soybean Yield' at the 2024 Great Ontario Yield Tour.
His talk focused on strategic nutrient management and the impact of environmental conditions on soybean growth.
Casteel reviewed the complexities of soybean agronomy, emphasizing the challenges posed by white mold and the unpredictable outcomes of field demonstrations aimed at controlling it.
One of the highlights of his presentation was the discussion on the significant yield improvements achieved through specific nutrient applications at different growth stages.
Casteel detailed how applying sulfur in soluble forms close to planting had led to an increase of up to 13 bushels per acre. He explained these results were particularly notable in fields planted early under cool, wet conditions.
However, Casteel was clear that the results were not uniform across all fields, indicating the variability of agricultural practices and the importance of tailored agronomic strategies.
He stressed the importance of understanding the seasonal impacts on crops, noting that a hot and dry June can severely impact nitrogen fixation in soybeans, a critical process for their growth.
His candid discussion included the economic and environmental considerations of these advanced agricultural practices, acknowledging the high costs and complex decisions farmers face.
As he concluded his presentation, Casteel encouraged the audience to consider these agronomic insights in the context of their unique farming situations.
Watch the video below to learn more about Shaun Casteel’s soybean presentation during the 2024 Great Ontario Yield Tour.