Long-term effect of tillage and manure application on soil organic fractions and crop performance under Sudano-Sahelian conditions

Agriculture & Biology

• organic soils 69%
• long term effects 59%
• tillage 58%
• hoeing 39%
• crops 32%
• plowing 31%
• hands 23%
• particulate organic matter 18%
• Sahel 18%
• soil 13%
• Lixisols 12%
• soil separates 9%
• Burkina Faso 8%
• oxen 8%
• soil management 7%
• topsoil 7%
• natural resources 7%
• mineralization 6%
• soil fertility 6%
• crop yield 6%
• degradation 4%

Earth & Environmental Sciences

• crop performance 100%
• long-term effect 65%
• tillage 64%
• organic soil 63%
• manure 58%
• plowing 21%
• particulate organic matter 9%
• soil 7%
• degradation of natural resources 7%
• soil management 5%
• farming system 4%
• soil fertility 4%
• crop yield 4%
• topsoil 4%
• management practice 3%
• sustainability 3%
• mineralization 3%
• effect 3%
• particle 2%