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Nitrogen loss is a major limiting factor affecting agricultural productivity in saline-alkali soil, with NH3 volatilization and N leaching being the main sources of N loss. In this study, the dynamics of NH3 volatilization was determined by sponge aeration and distribution of NO3- and 15N in...
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The main purpose of this paper is to evaluate the effect of crude oil price on global fertilizer prices in both the … fertilizer prices. The empirical results from ARDL show that most fertilizer prices are significantly affected by the crude oil … price while the volatility of global fertilizer prices and crude oil price from March to December 2008 are higher than in …
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