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- Title
Effects of Co-Inoculating Saccharomyces spp. with Bradyrhizobium japonicum on Atmospheric Nitrogen Fixation in Soybeans (Glycine max (L.)).
- Authors
Zveushe, Obey Kudakwashe; de Dios, Victor Resco; Zhang, Hengxing; Zeng, Fang; Liu, Siqin; Shen, Songrong; Kang, Qianlin; Zhang, Yazhen; Huang, Miao; Sarfaraz, Ahmed; Prajapati, Matina; Zhou, Lei; Zhang, Wei; Han, Ying; Dong, Faqin
- Abstract
Crop production encounters challenges due to the dearth of nitrogen (N) and phosphorus (P), while excessive chemical fertilizer use causes environmental hazards. The use of N-fixing microbes and P-solubilizing microbes (PSMs) can be a sustainable strategy to overcome these problems. Here, we conducted a greenhouse pot experiment following a completely randomized blocked design to elucidate the influence of co-inoculating N-fixing bacteria (Bradyrhizobium japonicum) and PSMs (Saccharomyces cerevisiae and Saccharomyces exiguus) on atmospheric N2-fixation, growth, and yield. The results indicate a significant influence of interaction on Indole-3-acetic acid production, P solubilization, seedling germination, and growth. It was also found that atmospheric N2-fixation, nodule number per plant, nodule dry weight, straw, and root dry weight per plant at different growth stages were significantly increased under dual inoculation treatments relative to single inoculation or no inoculation treatment. Increased seed yield and N and P accumulation were also noticed under co-inoculation treatments. Soil available N was highest under sole bacterial inoculation and lowest under the control treatment, while soil available P was highest under co-inoculation treatments and lowest under the control treatment. We demonstrated that the co-inoculation of N-fixing bacteria and PSMs enhances P bioavailability and atmospheric N2-fixation in soybeans leading to improved soil fertility, raising crop yields, and promoting sustainable agriculture.
- Subjects
NITROGEN fixation; ATMOSPHERIC nitrogen; SOYBEAN; BRADYRHIZOBIUM; SUSTAINABLE agriculture
- Publication
Plants (2223-7747), 2023, Vol 12, Issue 3, p681
- ISSN
2223-7747
- Publication type
Article
- DOI
10.3390/plants12030681