What’s The Impact of Planting Date on Corn Yields in Ontario?

May 06, 2022

A common refrain at the ag breakfast meetings held across the province every spring is “we often farm on last year’s weather”. Some of these comments float around on planting dates and yield potential.

For example, 2020 and 2021 benefitted from very early springs. While not always warm, dry sunny conditions allowed field preparation to start as early as late March in some cases and planting was well underway by May 1. Soil conditions generally remained excellent through both springs and large areas of the province experienced exceptional yields.

If early springs are our reference point, years where little field activity has started by May 1 might seem late. So, this begs the question – are we giving up yield potential every day we are waiting on field conditions to shape up now that the calendar has switched to May?

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Video: What Happens When Pigs Adapt to High Soybean Meal Diets? - Gustavo Lima

In this special rerun episode of The Swine Nutrition Blackbelt Podcast, Gustavo Lima, PhD candidate in Animal Science at Iowa State University, discusses how grow-finish pigs respond to high soybean meal diets. He explains the initial drop in feed intake, changes in backfat, later adaptation, energy efficiency, amino acid utilization, and the rise in nitrogen excretion at higher inclusion levels. Listen now on all major platforms!

Click here to read the full research article: https://academic.oup.com/jas/article/...

“Once they got adapted to the diet, they can handle higher levels of inclusion of soybean meal.”

Meet the guest: Gustavo Lima / gustavo-lima-a9867127 is a PhD candidate in Animal Science at Iowa State University whose work focuses on swine nutrition, ingredient characterization, energy metabolism, caloric efficiency, and applied data analysis. With more than 15 years of experience in swine production across Latin America, Gustavo also brings expertise in environmental control, performance evaluation, barn ventilation, and grow-finish housing. Learn more from Gustavo Lima on The Swine Nutrition Blackbelt Podcast, available on all major platforms.