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How much ammonia is lost from surface-applied nitrogen fertiliser in northwest NSW?

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Nitrogen losses through volatilisation in this region are potentially high due to the alkaline soil pH, presence of lime in some soils, windy conditions and high temperatures in summer... Our preliminary lab work has demonstrated the importance of naturally occurring lime in soils for setting the potential for nitrogen losses... . If we demonstrate that current applications of surface-applied nitrogen fertiliser are leading to substantial gaseous losses to the atmosphere, farmers will review their practice and opt for less wasteful methods of fertiliser application...
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