Soil water movement may regulate soil water consumption and improve cotton yields under different cotton cropping systems
文献类型： 外文期刊
作者： Wu, Fengqi 1 ; Guo, Simeng 1 ; Huang, Weibin 1 ; Han, Yingchun 2 ; Wang, Zhanbiao 1 ; Feng, Lu 1 ; Wang, Guoping 2 ; Li, Xiaofei 2 ; Lei, Yaping 2 ; Zhi, Xiaoyu 2 ; Xiong, Shiwu 2 ; Jiao, Yahui 2 ; Xin, Minghua 2 ; Yang, Beifang 2 ; Li, Yabing 1 ;
作者机构： 1.Zhengzhou Univ, Sch Agr Sci, Natl Key Lab Cotton Biobreeding & Integrated Utili, Zhengzhou Res Base, Zhengzhou 450001, Henan, Peoples R China
2.Chinese Acad Agr Sci, Inst Cotton Res, Natl Key Lab Cotton Biobreeding & Integrated Utili, Anyang 455000, Henan, Peoples R China
3.Chinese Acad Sci, State Key Lab Vegetat & Environm Change, Inst Bot, Beijing 100093, Peoples R China
4.Univ Chinese Acad Sci, Yuquan Rd, Beijing 100049, Peoples R China
5.Hebei Agr Univ, Coll Agron, State Key Lab Cotton Biobreeding & Integrated Util, Hebei Base, Baoding 071001, Hebei, Peoples R China
6.China Agr Univ, Coll Agron & Biotechnol, Beijing 100193, Peoples R China
关键词： Cotton; Yield; Soil water movement; Soil water consumption; Planting system
期刊名称：INDUSTRIAL CROPS AND PRODUCTS （ 影响因子：5.9； 五年影响因子：6.0 ）
ISSN： 0926-6690
年卷期： 2024 年 211 卷
页码：
收录情况： SCI
摘要： By quantifying the soil water movement (SWM) in crop planting systems, we can better understand the soil water consumption (SWC) and crop yield relationship; this finding is significant for determining the field water cycle and reducing agricultural water waste. In this paper, a case study was conducted on cotton production. Soil moisture sensors were set at depths of 10-110 cm under three cotton cropping systems (monoculture cotton (MC), wheat/delayed intercropped cotton (WIC), and wheat/direct-seeded cotton (WDC)) based on spatial grid methods; a geostatistical grid calculus was used to calculate SWM; and the crop and meteorological influence mechanisms on cotton lint yield were comprehensively analyzed. At the squaring stage, SWC and vertical SWM were significantly correlated with light, temperature and water conditions. At the flowering and boll development stage, SWC and vertical SWM were collectively affected by meteorological conditions and crops, and they were positively correlated with lint yield. The aboveground and belowground biomass accumulation at the flowering and boll development stage positively affected vertical SWM in and between cotton rows. Vertical SWM in cotton rows increased SWC in cotton rows. SWC in cotton rows and aboveground biomass positively impacted lint yield formation; SWC between rows negatively impacted lint yield. The SWC and vertical SWM between rows in the MC seedling stage exceeded those in cotton rows, and more precise irrigation at the seedling stage reduced water waste. The WIC horizontal SWC at the squaring and flowering and boll opening stages was relatively high, moving from the row midline to cotton row. A better SWC distribution in and between cotton rows promoted water utilization in the cotton rows; this method was feasible for improving cotton yield in diverse planting systems. The results could optimize precision irrigation management at different cotton growth stages and provide a theoretical reference for promoting sustainable agricultural production and climate adaptation.
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