Sustainability assessment of nitrogen nutrition index based topdressing nitrogen application

Agriculture & Biology

• nutrition assessment 100%
• top dressings 96%
• nitrogen 43%
• farmers 12%
• economics 11%
• food security 11%
• wheat 11%
• nitrogen fertilizers 10%
• global warming potential 8%
• small-scale farming 7%
• environmental quality 7%
• life cycle assessment 7%
• grain protein 6%
• sustainable development 6%
• space and time 6%
• surpluses 6%
• crops 6%
• decision making 5%
• environmental impact 5%
• fertilizer application 5%
• sowing 4%
• farming systems 4%
• grain yield 4%
• ecosystems 4%
• developmental stages 4%
• soil 2%
• methodology 1%

Earth & Environmental Sciences

• nutrition 77%
• sustainability 56%
• nitrogen 45%
• index 38%
• wheat 15%
• food security 11%
• economics 10%
• fertilizer 9%
• factor productivity 9%
• recommendation 8%
• yield response 8%
• crop 8%
• sowing 7%
• smallholder 7%
• alternative agriculture 7%
• fertilizer application 6%
• farming system 6%
• surplus 6%
• environmental quality 5%
• ranking 5%
• field experiment 5%
• global warming 4%
• sustainable development 4%
• life cycle 4%
• environmental impact 4%
• decision making 4%
• protein 4%
• rate 3%
• demand 3%
• ecosystem 3%
• soil 2%
• method 1%