Global warming potential, Greenhouse gas emissions, Greenhouse gas intensity, grain yield, Loess Plateau
Triple iterative coupling strategy, Water flow and solute transport, Surface micro-topography, Surface-subsurface system
Biochar, film mulching, nitrogen uptake efficiency, Water use efficiency
Soil water, salinity, and nitrogen, Organic fertilizer, Sunflower, grain yield
Soil structure, Soil salinity and sodicity, Soil nitrogen, Organic fertilizer
Land equivalent ratio, Loess Plateau, Plastic film mulching, Soil moisture depletion, Sustainability assessment, Water productivity