Effects of N Fertilization Rates on the NH3 Volatilization and N2O Emissions from the Wheat-Maize Rotation System in North China Plain
MA Yinli, JI Yanzhi, LI Xin, ZhANG Lin, JU Xiaotang, ZHANG Lijuan
Ecology and Environment . 2012, (2): 225 -230 .  DOI: 10.16258/j.cnki.1674-5906(2012)02-0225-06

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