Abstract
Soil microbes have a direct impact on plant metabolism and health. The current study investigates the comparative rhizobiome between sugarcane monoculture and sugarcane–soybean intercropping. A greenhouse experiment was performed with two treatments: (1) sugarcane monoculture and (2) sugarcane–soybean intercropped. We used a high-throughput sequencing (HTS) platform to analyze the microbial community. We used the 16S rRNA gene and internal transcribed spacer region primers to identify the microbial diversity. HTS results revealed that a total of 2,979 and 124 bacterial and fungal operational taxonomic units (OTUs) were observed, respectively. Microbial diversity results concluded that the intercropping system has a beneficial impact on soil microbes. The highest numbers of bacterial and fungal OTUs were found in the intercropping system, and these results also collaborated with quantitative PCR results. Additionally, intercropped sugarcane plants showed a higher weight of above- and below-ground parts than the monoculture. Soil chemical analysis results also complemented that the intercropping system nourished organic carbon, total nitrogen, and soil enzyme activities. Correlation analysis of the diversity index and abundance concluded that soil nutrient content positively influenced the microbial abundance that improves plant growth. The present study frames out the profound insights of microbial community interaction under the sugarcane–soybean intercropping system. This information could help improve or increase the sugarcane crop production without causing any negative impact on sugarcane plant growth and development.
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Claims 10
Claim · model-written summary
Sequencing observed 2,979 bacterial OTUs.
Verbatim
t0“Sugarcane-Legume Intercropping”
e0“a total of 2,979 and 124 bacterial and fungal operational taxonomic units (OTUs) were observed, respectively”
Claim · model-written summary
Sequencing observed 124 fungal OTUs.
Verbatim
t0“Sugarcane-Legume Intercropping”
e0“a total of 2,979 and 124 bacterial and fungal operational taxonomic units (OTUs) were observed, respectively”
Claim · model-written summary
Intercropping had the highest bacterial OTU count.
Verbatim
t0“Sugarcane-Legume Intercropping”
e0“The highest numbers of bacterial and fungal OTUs were found in the intercropping system”
e1“sugarcane monoculture and sugarcane–soybean intercropping”
Claim · model-written summary
Intercropping had the highest fungal OTU count.
Verbatim
t0“Sugarcane-Legume Intercropping”
e0“The highest numbers of bacterial and fungal OTUs were found in the intercropping system”
e1“sugarcane monoculture and sugarcane–soybean intercropping”
Claim · model-written summary
Intercropped sugarcane had higher aboveground weight than monoculture sugarcane.
Verbatim
e0“intercropped sugarcane plants showed a higher weight of above- and below-ground parts than the monoculture”
e1“sugarcane–soybean intercropped”
Claim · model-written summary
Intercropped sugarcane had higher belowground weight than monoculture sugarcane.
Verbatim
e0“intercropped sugarcane plants showed a higher weight of above- and below-ground parts than the monoculture”
e1“sugarcane–soybean intercropped”
Claim · model-written summary
Intercropping enriched soil organic carbon.
Verbatim
t0“Sugarcane-Legume Intercropping”
e0“the intercropping system nourished organic carbon, total nitrogen, and soil enzyme activities”
e1“sugarcane monoculture and sugarcane–soybean intercropping”
Claim · model-written summary
Intercropping enriched soil total nitrogen.
Verbatim
t0“Sugarcane-Legume Intercropping”
e0“the intercropping system nourished organic carbon, total nitrogen, and soil enzyme activities”
e1“sugarcane monoculture and sugarcane–soybean intercropping”
Claim · model-written summary
Intercropping increased soil enzyme activities.
Verbatim
t0“Sugarcane-Legume Intercropping”
e0“the intercropping system nourished organic carbon, total nitrogen, and soil enzyme activities”
e1“sugarcane monoculture and sugarcane–soybean intercropping”
Claim · model-written summary
Soil nutrient content was positively associated with microbial abundance.
Verbatim
t0“Sugarcane-Legume Intercropping”
e0“soil nutrient content positively influenced the microbial abundance that improves plant growth”
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See all 8 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.