Soil Bacteria-Enriching Agents for Microbiome Dysbiosis
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Solution Overview
Problem
Current agriculture practices lead to decreased diversity of soil microorganisms and dysbiosis of crop microbiomes, necessitating sustainable solutions to enhance soil fertility and reduce reliance on harmful agrochemicals.
Innovation Solution
The method involves selecting carbon substrates and chemoattractants that specifically enrich desired bacterial species in the soil microbiome, such as PGPR, by manipulating the chemical composition of root exudates and applying exogenous soil prebiotics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If large quantities of chemical fertilizers and pesticides are applied to stimulate crop productivity, then crop yields increase, but environmental degradation occurs and downstream ecological harm increases
Solution Approach 1:
The patent uses plant growth-promoting rhizobacteria (PGPR) as intermediary organisms that naturally enhance crop productivity through biological mechanisms such as nitrogen fixation, phosphate solubilization, and phytohormone production, replacing the need for chemical fertilizers and pesticides while avoiding environmental degradation
Solution Approach 2:
The patent manipulates the chemical composition of root exudates by introducing specific carbon substrates and chemoattractants, changing the nutritional parameters of the rhizosphere to selectively enrich desired PGPR species that provide beneficial functions for plant growth
2Productivity
If monoculture crop systems and tillage farming are used to increase agricultural efficiency, then crop production increases, but soil microorganism diversity decreases and microbiome dysbiosis occurs
Solution Approach 1:
The patent applies selective carbon substrates and chemoattractants locally in the rhizosphere zone to create micro-niches that favor specific beneficial PGPR species, allowing diversity enhancement in the soil microbiome while maintaining agricultural productivity in the crop system
Solution Approach 2:
The patent pre-manipulates the chemical composition of root exudates before PGPR inoculation by adding specific carbon sources and chemoattractants, creating a favorable environment in advance that ensures successful colonization and establishment of desired bacterial species
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach effectively enriches the concentration of desired bacteria in the soil microbiome, improving nutrient use efficiency, pathogen resistance, and plant growth promotion, thereby enhancing agricultural productivity sustainably.
Implementation Method 1
selecting one or more chemoattractants that are able to attract a desired bacterial species to the soil microbiome
Implementation Method 2
selecting one or more carbon substrates that are able to enrich a desired bacterial species in a soil microbiome
Data Source
AI summary
Some aspects of the present disclosure relate to methods and devices for identifying soil bacteria-enriching agents that selectively enrich a desired species of bacteria in a soil microbiome. In some embodiments, the soil bacteria-enriching agent comprises a carbon substrate and/or a chemoeffector. Some aspects of the present disclosure relate to methods of enriching a desired species of bacteria in a soil microbiome using one or more soil bacteria-enriching agents.