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Fluid Journal : Late Spring 2013
14 The Fluid Journal Late Spring 2013 probably resulted from ESNssb, SuperU, UAN, UAN+Nfusion, and UAN+AgrotainPlus having significantly greater N2O emissions in 2010 than in 2009 but no difference between years for urea, ESN, blank, and the check treatments. Averaged over both years, growing season N2O -N emissions from all enhanced-efficiency N fertilizers were significantly lower than granular Figure 2. Cumulative growing season precipitation and irrigation amounts applied in 2009 and 2010. Figure 3. Water filled pore space in the 0 to 10-cm soil depth from 5 May 2009 through 22 March 2010 and 6 May 2010 through 31 October 2010. urea, including UAN. The ESNssb treatment had significantly higher N2O emissions than the UAN+Nfusion, UAN+AgrotainPLus, blank, and check treatments. The UAN+Nfusion and UAN+AgrotainPlus treatments had lower N2O emissions than UAN. The blank and check treatments had the lowest level of growing season N2O-N emissions and were not significantly different. Going on Twenty Years of Archives! • Application of Fluids • Agronomics of Fluids • Efficiencies of Fluids 785/766-0273
Early Spring 2013