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Nitrogen balance between animal wastes production, crops and fish ponds demand at commune level in Thai Binh province, Northern Vietnam : [Draft]

Tran Duc Toan, Hillion B., Nguyem Ngoc Minh, Porphyre V., Medoc J.M.. 2005. In : AHAT-BSAS International Conference on Integrated Livestock-Crop Systems to Meet the Challenges of Globalisation, Khon Kaen, Thailand, November 15-18 2005. s.l. : s.n., 2 p.. AHAT-BSAS International Conference on Integrated Livestock-Crop Systems to Meet the Challenges of Globalisation, 2005-11-15/2005-11-18, Khon Kaen (Thaïlande).

The agronomical balance in nitrogen at the commune level has been calculated between livestock-produced manure and the total demand in nutrients by crops and fish ponds, in the district of Vu Thu, Thai Binh province (Vietnam). Based on a conceptual Vietnamese-adapted model, calculations have underlined N surpluses in 50% of the studied communes during winter and the importance of waste waters that are expected to be the most important issue for environment regarding the 2010 provincial pig development plans.

Mots-clés : eau usée; déchet agricole; Élevage; pollution; azote; viet nam

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