共 14 条
[1]
Emissions of N2O; NH3 and NOx from fuel combustion; industrial processes and the agricultural sectors in China.[J].Li Yu'e;Lin Erda.Nutrient Cycling in Agroecosystems.2000, 1
[3]
中国土壤氮素.[M].朱兆良;文启孝主编;.江苏科学技术出版社.1992,
[4]
中国统计年鉴.[M].国家统计局编;.中国统计出版社.1982,