Liquid Mulch Can Improve the Yield and Water Use Efficiency of Summer Maize (Zea mays L.) Planted in Furrow‐Ridge Rainwater Harvesting Systems

IF 3.7 2区农林科学 Q1 AGRONOMY

Journal of Agronomy and Crop Science Pub Date : 2025-01-10 DOI:10.1111/jac.70003

Guangxu Guo, Yuren Tang, Zinan Yan, Juanjuan Zhang, Yuehe Zhang, Yuqing Zhang, Junbo Cao, Xu Sun, Wei Song, Muhammad Shoaib Asad, Weili Sun, Tie Cai, Xining Zhao, Enke Liu, Xiaolong Ren

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引用次数: 0

Abstract

The frequent occurrence of drought is an important factor restricting economic as well as sustainable agricultural development. Therefore, to address the issue of seasonal drought during summer in dry semi‐humid areas of Guanzhong Plain, a biodegradable liquid film is used to replace the plastic film for ridge–furrow rainwater harvesting in summer maize cultivation. The experiment was conducted for 2 years (2022–2023), including seven treatments, such as three ridge–furrow ratios with two different mulching materials, while flat planting is a control treatment. The results showed that ridge covering with liquid film (RFL) enhances leaf area and dry matter accumulation as well as improves soil moisture and temperature during the early growth stages of maize. However, the average dry matter accumulation of RFL at maturity stage increased by 6.92% as compared to control (CK). Additionally, the average leaf area of RFL enhanced by 4.52% and 9.06% in contrast to no mulching of soil ridges (RFS) and CK treatments, whereas RFL delayed leaf senescence at the filling stage, providing favourable conditions for high yield. Although, in 2022, the yield as well as water use efficiency (WUE) under RFL increased by 3.3% and 16.13%, than CK treatments, in 2023, they boosted by 13.92% and 20.79%, respectively. In both years, instead of drought during the early growth stages of growth, RFL enhanced both the yield and WUE of summer maize. Therefore, liquid film can be preferred rather than plastic film in dry semi‐humid areas. However, the results also indicated that the optimal ridge–furrow ratio for both yield and WUE is significantly affected by different years and climate conditions. So, further research is needed to study the yield and WUE under various rainfall patterns.

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液体覆盖对夏玉米产量和水分利用效率的影响种植在沟垄雨水收集系统

干旱的频繁发生是制约经济和农业可持续发展的重要因素。因此，为了解决关中平原干旱半湿润地区夏季季节性干旱问题，采用生物可降解液体膜代替塑料膜进行夏玉米垄沟雨水收集。试验为期2年（2022-2023），包括3种垄沟比、2种不同覆盖材料等7个处理，平播为对照处理。结果表明，液膜覆盖增加了玉米生长前期叶面积和干物质积累，改善了土壤水分和温度。但RFL成熟期平均干物质积累量较对照（CK）增加了6.92%。与无垄作处理和对照相比，垄作处理的平均叶面积分别增加了4.52%和9.06%，并延缓了灌浆期叶片的衰老，为高产提供了有利条件。虽然在2022年，RFL处理的产量和水分利用效率比CK处理分别提高了3.3%和16.13%，但在2023年，RFL处理的产量和水分利用效率分别提高了13.92%和20.79%。在这两年中，与生长早期的干旱不同，RFL提高了夏玉米的产量和水分利用效率。因此，在干燥的半湿润地区，液体薄膜比塑料薄膜更可取。然而，结果也表明，产量和水分利用效率的最佳垄沟比受不同年份和气候条件的显著影响。因此，需要进一步研究不同降雨模式下的产量和水分利用效率。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Agronomy and Crop Science 农林科学-农艺学

CiteScore

8.20

自引率

5.70%

发文量

审稿时长

7.8 months

期刊介绍： The effects of stress on crop production of agricultural cultivated plants will grow to paramount importance in the 21st century, and the Journal of Agronomy and Crop Science aims to assist in understanding these challenges. In this context, stress refers to extreme conditions under which crops and forages grow. The journal publishes original papers and reviews on the general and special science of abiotic plant stress. Specific topics include: drought, including water-use efficiency, such as salinity, alkaline and acidic stress, extreme temperatures since heat, cold and chilling stress limit the cultivation of crops, flooding and oxidative stress, and means of restricting them. Special attention is on research which have the topic of narrowing the yield gap. The Journal will give preference to field research and studies on plant stress highlighting these subsections. Particular regard is given to application-oriented basic research and applied research. The application of the scientific principles of agricultural crop experimentation is an essential prerequisite for the publication. Studies based on field experiments must show that they have been repeated (at least three times) on the same organism or have been conducted on several different varieties.