Effects of Semi-Film and Full-Film Mulching on Soybean Growth, Biological Nitrogen Fixation and Grain Yield

IF 3.7 2区农林科学 Q1 AGRONOMY Journal of Agronomy and Crop Science Pub Date : 2024-06-27 DOI:10.1111/jac.12724

Shuyue Wen, Pengfei Dang, Dexiao Li, Xiaoliang Qin, Kadambot H. M. Siddique

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Abstract

Soybean film mulching has shown promise in maintaining consistent and high yields in semi-arid regions. However, the specific impacts of full-film and semi-film mulching on soybean growth, root nodule traits and grain yield are poorly understood. This 2-year study (2021–2022) investigates the effects of full-film and semi-film mulching on soil moisture, soybean growth and yield. Our findings revealed that semi-film mulching increased soybean yield by 18.12% compared to full-film mulching, averaged across 2 years. Furthermore, the semi-film treatment significantly enhanced biological nitrogen fixation ability, increasing root nodule numbers by 24.81%–33.43%, compared to full-film mulching. This improvement also positively affected soybean quality, with crude protein content increasing by 5.89% in 2021 and 4.14% in 2022 compared to full-filming. Moreover, semi-film mulching helped maintain soil moisture and temperature during later soybean growth stages. There findings suggest that semi-film mulching is a viable agricultural strategy for soybean cultivation in semi-arid regions, improving soybean quality and efficiency while promoting environmental sustainability.

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半膜和全膜覆盖对大豆生长、生物固氮和谷物产量的影响

在半干旱地区，大豆薄膜覆盖有望保持稳定高产。然而，人们对全膜和半膜覆盖对大豆生长、根瘤性状和谷物产量的具体影响知之甚少。这项为期两年（2021-2022 年）的研究调查了全膜和半膜覆盖对土壤水分、大豆生长和产量的影响。我们的研究结果表明，与全膜覆盖相比，半膜覆盖使大豆产量提高了 18.12%，两年的平均值为 18.12%。此外，与全膜覆盖相比，半膜覆盖显著提高了生物固氮能力，使根瘤数量增加了 24.81%-33.43% 。这种改善也对大豆质量产生了积极影响，与全膜覆盖相比，2021 年和 2022 年的粗蛋白含量分别增加了 5.89% 和 4.14%。此外，在大豆生长后期，半膜覆盖有助于保持土壤湿度和温度。研究结果表明，在半干旱地区种植大豆，半膜覆盖是一种可行的农业策略，既能提高大豆的质量和效率，又能促进环境的可持续发展。

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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.