Agrium Inc. plans to proceed with detailed engineering on a proposed expansion of its controlled release urea fertilizer product ESN(R) at its nitrogen facility in Carseland, Alberta, Canada. The proposed expansion would increase ESN(R) coating capability from 30,000 to 150,000 tonnes of product per year. Should the project proceed to construction, the additional product would be available in the market as early as January 2006. ESN(R), or Smart Nitrogen, has a semi-permeable polymer coating that allows water to enter the urea granule and dissolve the nitrogen. The nitrogen release rate is controlled by soil temperature, which similarly determines plant growth and nutrient demand. Therefore, according to Agrium, ESN(R) technology provides for a better matching of nutrient availability in the soil with plant nutrient requirements. The result is increased productivity per pound of nitrogen, providing an economic advantage for growers, while reducing nitrogen loss to the environment.
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