Shuyue Wen, Pengfei Dang, Dexiao Li, Xiaoliang Qin, Kadambot H. M. Siddique
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Effects of Semi-Film and Full-Film Mulching on Soybean Growth, Biological Nitrogen Fixation and Grain Yield
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.
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.
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