Nutrient cycling in agroecosystems. 2012;92(3):347-361. doi: 10.1007/s10705-012-9494-0 Q32.72025
Nitrogen balances of smallholder farms in major cropping systems in a peri-urban area of Beijing, China
DOI: 10.1007/s10705-012-9494-0
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Nutrient cycling in agroecosystems. 2012;92(3):347-361. doi: 10.1007/s10705-012-9494-0 Q32.72025
DOI: 10.1007/s10705-012-9494-0
摘要 查看摘要