Background and aims Soil microbial communities are vital

The gap

Evidence profile

Sourced from the abstract and stated research gap and stated challenges and future-work section of the source papers, classified as general, drawn from work published between 2016 and 2026, spanning 5 journals. Those papers have been cited 102 times in total.

Supporting evidence — 8 representative gaps

• Responses of soil microbial metabolism, function and soil quality to long-term addition of organic materials with different carbon sources (2024) · Biochar · cited 62× · doi

  However, there is limited research systematically and comprehensively exploring the response of soil microbiota and the changes in soil metabolomics after the addition of two different carbon source amendments to the soil, and the differential mechanisms of soil metabolomics between them remain unclear.

  generalabstractevidence 5/5
  Keywords: soil metabolomics there limited systematically comprehensively exploring response microbiota changes addition different carbon source amendments
• Effects of tree species mixing on soil microbial community structure in Karst regions of Southwest China (2026) · Frontiers in Microbiology · doi

  There is a lack of research on the effects of tree species configuration on soil microbial communities in Karst regions of Southwest China. The study aims to address this gap by investigating the effects of tree species mixing on soil microbial community structure.

  generalstated research gapevidence 5/5
  Keywords: there lack research effects tree species configuration soil
• Application of glyphosate or paraquat before the emergence of maize plants (Zea mays L.) had no detectable effect on the rhizosphere or endophyte bacterial community structure under the tested field conditions (2026) · Frontiers in Microbiology · doi

  The complexity of the bacterial community in soils. The difficulty of analyzing the bacterial community structure and its putative metabolic functions. The need to consider the effect of agricultural practices on the bacterial community in soils.

  generalstated challengesevidence 5/5
  Keywords: complexity bacterial community soils difficulty analyzing structure putative
• The illusion of diversity: sampling design drives conflicting estimates of soil bacterial richness (2026) · bioRxiv · doi

  Soil microbial communities are exceptionally diverse and spatially heterogeneous. Limited sampling systematically underestimates true richness. DNA extraction, amplification, and sequencing protocols constrain the ability to fully characterize soil microbial communities.

  generalstated challengesevidence 5/5
  Keywords: soil microbial communities exceptionally diverse spatially heterogeneous limited
• Differences in microbial community structure induced by tillage practices under straw return associated with metabolic functions (2026) · Frontiers in Microbiology · doi

  The study identifies a gap in understanding the effects of tillage practices on wheat yield and nutrient use efficiency. The study aims to address this gap by investigating the effects of tillage practices on rhizosphere microbial communities and metabolite profiles.

  generalstated research gapevidence 5/5
  Keywords: study identifies gap understanding effects tillage practices wheat
• Impact of biofertilizers from goat and sheep manure on rhizospheric microbial community of Cenchrus ciliaris (2026) · Brazilian Journal of Microbiology · doi

  Less attention has been given to the effects of biofertilizers on the microbial community and functional composition of the rhizosphere. There is a need to understand the impact of biofertilizer source and application dose on the rhizospheric microbial community.

  generalstated research gapevidence 5/5
  Keywords: less attention has been given effects biofertilizers microbial
• The illusion of diversity: sampling design drives conflicting estimates of soil bacterial richness (2026) · bioRxiv · doi

  Further studies are needed to evaluate the impact of sampling design on soil microbial diversity estimates in different ecosystems. The development of new sampling designs and methods for characterizing soil microbial diversity is needed. The use of individual cores and physically homogenized composite samples should be compared in different soil types and ecosystems.

  generalfuture-work sectionevidence 4/5
  Keywords: further studies needed evaluate impact sampling design soil
• Influence of plant traits, soil microbial properties, and abiotic parameters on nitrogen turnover of grassland ecosystems (2016) · Ecosphere · cited 40× · doi

  Abstract Although it is known that multiple interactions among plant functional traits, microbial properties, and abiotic soil parameters influence the nutrient turnover, the relative contribution of each of these groups of variables is poorly understood.

  generalabstractevidence 2/5
  Keywords: abstract known multiple interactions among plant functional traits microbial properties abiotic soil parameters influence nutrient

Questions about this gap