How does crop residue removal affect soil organic carbon and yield? A hierarchical analysis of management and environmental factors

Agriculture & Biology

• soil organic carbon 74%
• crop residues 71%
• environmental factors 41%
• crop residue management 37%
• tropical soils 21%
• bioenergy 18%
• temperate zones 17%
• tropics 15%
• temperate soils 12%
• coarse-textured soils 12%
• descriptive statistics 10%
• soil texture 9%
• soil 8%
• multivariate analysis 8%
• soil types 8%
• crop production 7%
• crop yield 7%
• farming systems 6%
• climate 6%
• ecosystems 6%
• agriculture 6%
• methodology 2%

Earth & Environmental Sciences

• crop residue 80%
• environmental factor 54%
• organic carbon 50%
• removal 34%
• soil 27%
• analysis 17%
• tropical soil 13%
• temperate climate 13%
• tropical climate 13%
• bioenergy 12%
• farming system 11%
• climatic region 6%
• crop production 5%
• soil texture 5%
• crop yield 5%
• data mining 5%
• soil type 5%
• agriculture 3%
• statistics 3%
• policy 3%
• ecosystem 3%
• world 3%
• climate 2%
• need 2%
• effect 2%

Engineering & Materials Science

• Organic carbon 100%
• Crops 72%
• Soils 51%
• Agriculture 4%
• Ecosystems 4%
• Data mining 3%
• Textures 3%
• Statistics 3%