Is it too early for nitrogen?

A field of winter wheat in early March that is beginning to green up.

A warmer than normal winter coupled with dry weather through February has led to surprisingly good field conditions in much of southern Ontario. While it looks like it could be an early spring, we know that the weather can change rapidly this time of year. Some are questioning whether it makes sense to take advantage […]

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What does 2023’s Weather Tell Us about Anticipated Soil Nitrogen Supply?

A sidedress applicator injecting nitrogen fertilizer in-season in corn.

Summary Background Throughout the growing season, microbes within the soil break down organic nitrogen contained in soil organic matter and release it as plant-available ammonium.  This process is known as nitrogen mineralization. Nitrogen mineralization is favoured by warm soil temperatures with adequate soil moisture and aeration.  Excess moisture can slow mineralization or increase the potential […]

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