Quantification for carbon footprint of agricultural inputs of grains cultivation in China since 1978

China is the largest country in grain production and consumption with the greatest emission of greenhouse gas (GHG) in the world. To learn the historical changes and regional differences in GHG emission of the major grain crop production can provide important references to the mitigation of GHG emission in the country and other similar countries. Therefore, we quantified the carbon footprints of rice (Oryza sativa L.), wheat (Triticumaestivum...