Soilless cultivation lacks beneficial microbial

The gap

Evidence profile

Sourced from the stated research gap and abstract and conclusions of the source papers, classified as general, drawn from work published between 2023 and 2026, spanning 7 journals. Those papers have been cited 121 times in total.

Supporting evidence — 8 representative gaps

• Ecological strategies determine continuous cropping susceptibility in Panax and Achyranthes (2026) · Frontiers in Plant Science · cited 2× · doi

  The study identifies a gap in understanding the ecological strategies of medicinal plants. The gap in knowledge on the rhizosphere microbiome and its influence on plant health.

  generalstated research gap
  Keywords: study identifies gap understanding ecological strategies medicinal plants
• Hydrophyte root microbiome: a novel reservoir of plant growth-promoting bacteria for enhancing lettuce (Lactuca sativa L.) growth and nutritional quality under soilless cultivation (2026) · World Journal of Microbiology and Biotechnology · doi

  Soilless cultivation lacks beneficial microbial communities. There is a need for novel sources of plant growth-promoting bacteria.

  generalstated research gap
  Keywords: soilless cultivation lacks beneficial microbial communities there need
• Environment and plant genetics shape barley rhizosphere microbiome structure across contrasting locations (2026) · bioRxiv · doi

  AbstractSoil microorganisms are crucial for plant survival and productivity, but factors governing rhizosphere recruitment across diverse regions remain unclear.

  generalabstractevidence 5/5
  Keywords: abstractsoil microorganisms crucial plant survival productivity factors governing rhizosphere recruitment across diverse regions remain unclear
• Nutrient and moisture limitations reveal keystone metabolites linking rhizosphere metabolomes and microbiomes (2024) · Proceedings of the National Academy of Sciences · cited 119× · doi

  The connection between rhizodeposition and rhizosphere microbiome succession has been suggested, particularly under environmental stress conditions, yet definitive evidence is scarce.

  generalabstractevidence 4/5
  Keywords: connection rhizodeposition rhizosphere microbiome succession particularly environmental stress conditions definitive evidence scarce
• Differences in carbon sequestration capacity, rhizosphere microorganisms and metabolic functions among different herbaceous plants (2026) · Frontiers in Plant Science · doi

  While previous research has predominantly focused on woody plants, the carbon sequestration potential and mechanisms of herbaceous plants and their rhizosphere microbiomes remain largely underexplored.

  generalabstractevidence 4/5
  Keywords: plants previous predominantly focused woody carbon sequestration potential mechanisms herbaceous rhizosphere microbiomes remain largely underexplored
• Plant domestication shapes rhizosphere microbiome assembly and metabolic functions (2023) · Microbiome · doi

  Despite its importance, how plant domestication builds up specific rhizosphere microbiomes and metabolic functions, as well as the importance of these affected rhizobiomes and relevant root exudates in maintaining plant growth, is not well understood.

  generalabstractevidence 2/5
  Keywords: importance plant well despite domestication builds specific rhizosphere microbiomes metabolic functions affected rhizobiomes relevant root
• Herbivory-triggered assemblage of sunflower rhizosphere microbiome enhances herbivore tolerance through plant–soil feedback (2026) · npj Biofilms and Microbiomes · doi

  Herbivorous insects pose a major agricultural challenge, yet how leaf herbivory influences root-associated microbiomes and whether these changes generate plant–soil feedbacks that alter plant defense phenotypes remain poorly understood.

  generalabstractevidence 2/5
  Keywords: plant herbivorous insects pose major agricultural challenge leaf herbivory influences root associated microbiomes whether changes
• Micro and nanoplastic pollution in agricultural soils: effects on rhizosphere processes and phytotoxicity (2026) · npj Soil Ecology · doi

  The effects of these pollutants on soil nutrient cycling, the environment around plant roots (known as the rhizosphere), and the harmful effects on higher plants are currently poorly understood.

  generalconclusionsevidence 2/5
  Keywords: effects pollutants soil nutrient cycling environment around plant roots known rhizosphere harmful higher plants currently

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