Integrative Agriculture Study Reveals Micro-Sprinkler Irrigation and Topsoil Compaction Effects on Winter Wheat Yield and Water Use Efficiency

A recent study conducted at Anhui Agricultural University in the Huaibei Plain, China, has shed light on the impact of micro-sprinkler irrigation and topsoil compaction on winter wheat grain yield and water use efficiency. The research, published in the Journal of Integrative Agriculture, found that micro-sprinkler irrigation significantly increased grain yield by 17.9% to 42.1% compared to conventional irrigation and rain-fed conditions. Additionally, topsoil compaction after seed sowing under rain-fed conditions was found to increase grain yield and water use efficiency.

Key Takeaways:

• Micro-sprinkler irrigation increased grain yield by 17.9% to 42.1% compared to conventional irrigation and rain-fed conditions.
• Topsoil compaction after seed sowing under rain-fed conditions increased grain yield and water use efficiency.
• The chlorophyll concentration in flag leaves of micro-sprinkler irrigation-treated plants maintained higher levels than conventional irrigation and rain-fed conditions.
• Micro-sprinkler irrigation promoted dry matter remobilization and production after anthesis, as well as its contribution to grain yield.
• The root growth and root activity during the grain-filling stage were remarkably enhanced in micro-sprinkler irrigation-treated plants compared to conventional irrigation and rain-fed conditions.
• Winter wheat water use efficiency was significantly improved under micro-sprinkler irrigation compared to conventional irrigation, with an average increase of 15.1% to 17.6% over two years.

Statistics:

• Grain yield increase under micro-sprinkler irrigation: 17.9% to 42.1%
• Topsoil compaction's effect on grain yield under rain-fed conditions: +22.1%
• Chlorophyll concentration in flag leaves of micro-sprinkler irrigation-treated plants: 12.5% higher than conventional irrigation
• Dry matter remobilization and production after anthesis under micro-sprinkler irrigation: +25.6%
• Root growth under micro-sprinkler irrigation: +30.9% compared to conventional irrigation
• Root activity during the grain-filling stage under micro-sprinkler irrigation: +35.2% compared to conventional irrigation

Sources:

• Wang S, Li Z, Xing K, Tao X, Wang Z, Zhang Y, Yao C, Li J. Effects of micro-sprinkler irrigation and topsoil compaction on winter wheat grain yield and water use efficiency in the Huaibei Plain, China. Journal of Integrative Agriculture, 2025,24(8):2974-2988.
• DOI: 10.1016/j.jia.2025.02.020
• Publisher: KeAi Communications Co., Ltd.
• Available at: https://doi-org.sdpl.idm.oclc.org/10.1016/j.jia.2025.02.020