A comparative study of farm nutrient budgets and nutrient flows of certified organic and non-organic farms in China, Brazil and Egypt

Agriculture & Biology

• Brazil 46%
• case studies 6%
• China 45%
• comparative study 59%
• developing countries 15%
• Egypt 72%
• farm budgets 14%
• farmers 11%
• farming systems 6%
• farms 47%
• mineral fertilizers 8%
• minerals 5%
• nutrient management 18%
• nutrients 42%
• organic production 24%
• potassium 5%
• surpluses 17%

Earth & Environmental Sciences

• agriculture 10%
• budget 6%
• comparative study 64%
• developing world 12%
• farm 60%
• farming system 7%
• management practice 6%
• mineral fertiliser 9%
• nutrient 46%
• nutrient budget 100%
• organic farming 9%
• potassium 6%
• replacement 5%
• surplus 15%