Increasing straw return promotes macroaggregate formation and coordinates the retention and release of exchangeable potassium in rice-wheat rotation soils
1Institute of Plant Protection and Soil Fertilizer, Hubei Academy of Agricultural Sciences, Wuhan, Hubei 430064, China
2College of Resources and Environment, Huazhong Agricultural University, Wuhan, Hubei 430064, China
3College of Agriculture, Yangtze University, Jingzhou, Hubei 434025, China
4College of Life Sciences, Yangtze University, Jingzhou, Hubei 434025, China
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