This study demonstrates the benefits of diversifying traditional cereal monoculture (wheat-maize) in the North China Plain with cash crops (sweet potato) and legumes (peanut and soybean). Diversified rotations increased equivalent yield by up to 38%, reduced N2O emissions by 39%, and improved the greenhouse gas balance by 88%. Legumes stimulated soil microbial activity, increased soil organic carbon stocks by 8%, and enhanced soil health by 45%. Large-scale adoption could increase cereal production by 32% and farmer income by 20% while benefiting the environment.
Publisher
Nature Communications
Published On
Jan 03, 2024
Authors
Xiaolin Yang, Jinran Xiong, Taisheng Du, Xiaotang Ju, Yantai Gan, Sien Li, Longlong Xia, Yanjun Shen, Steven Pacenka, Tammo S. Steenhuis, Kadambot H. M. Siddique, Shaozhong Kang, Klaus Butterbach-Bahl
Tags
cereal monoculture
crop diversification
greenhouse gas emissions
sustainable agriculture
North China Plain
soil health
yield increase
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