Nitrogen inhibitors : how do they work to reduce N losses?
Rogers, Christopher W.
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Applying nitrogen (N) fertilizer at the exact time of need is often operationally unrealistic for wheat and barley growers in Washington. Instead, N is commonly applied early, before its rapid uptake by plants. However, this practice may result in reduced return on investment and increased environmental risks associated with N loss through runoff, leaching, volatilization, and denitrification. Nitrogen inhibitors are products that temporarily retard conversion of fertilizers to the forms that can be lost through these pathways. This publication describes how N is lost after fertilizer applications, how N inhibitors can reduce such losses, and how to choose the right product for the forms of your fertilizers and application timings.