Environmentally smart nitrogen (ESN) is a polymer-coated form of N that provides controlled-release, allowing higher seed-placed safe rates of urea fertilizer. The influence of coating integrity on the rate of N release in field conditions is unknown. Field studies were conducted from 2008 to ...
ESN, made by Agrium Wholesale, is a controlled-release fertilizer consisting of a urea granule encapsulated in a polyurethane coating. This allows the N to release from the granule at a rate controlled by soil temperature, providing continuous feeding of N when the plant needs it most. This ...
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Seed safety limits for cereals and canola using seed-placed ESN urea fertilizer. Agron. J. 106:369-378. doi:10.2134/agronj2013.0357Qin, A., Stevenson, C., McKenzie, R., (2014). Seed safety limits for cereals and canola using seed placed ESN urea fertilizer. Agronomy Journal, Vol 106(...
We investigated the effect of environmentally smart nitrogen (ESN) fertilizer on nitrous oxide (N2O) emissions under no-till barley (Hordeum vulgare L.) production over 3 years at three sites in Alberta, Canada. Treatments included two barley cultivars, with ESN and urea applied at 1x and 1.5...
We investigated the effect of environmentally smart nitrogen (ESN) fertilizer on nitrous oxide (N O) emissions under no-till barley (Hordeum vulgare L.) production over 3 years at three sites in Alberta, Canada. Treatments included two barley cultivars, with ESN and urea applied at 1× and ...
ureaWe investigated the effect of environmentally smart nitrogen (ESN) fertilizer on nitrous oxide (N2O) emissions under no-till barley (Hordeum vulgare L.) production over 3 years at three sites in Alberta, Canada. Treatments included two barley cultivars, with ESN and urea applied at 1× and...
Nitrous Oxide Emissions From Canola Fields with ESN Fertilizer Application.Xiying Hao
Release of N from the polymer-coated fertilizer is by diffusion, which is temperature dependent. Coupling N release with soil temperature, one of the primary factors in the rate of crop growth and N demand, allows N release to be programmed to closely match crop needs...
Our results suggest that ESN fertilizer could reduce N 2O emissions in Alberta, Canada, but reductions will depend on rainfall events and canola N utilization.doi:10.1016/j.still.2011.10.017Chunli LiXiying HaoRobert E. BlackshawJohn T. O’Donovan...