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Multipronged Phenotyping Approaches to Characterize Sugarcane Root Systems
Published on: August 17, 2022
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Phosphorus source driving the soil microbial interactions and improving sugarcane development
Thiago Gumiere1, Alain N Rousseau2, Diogo Paes da Costa3
1Department of Soil Science, Luiz de Queiroz College of Agriculture, University of São Paulo, ESALQ/USP, Av. Pádua Dias, 11, CP 09, 13418-900, Piracicaba, São Paulo, Brazil. thiago.gumiere@gmail.com.
Scientific Reports
|March 15, 2019
Summary
Different phosphate sources impact soil microbial communities and sugarcane growth. High P2O5 sources boosted bacterial interactions while decreasing fungal ones, with Bayovar rock phosphate yielding the most dry matter.
Area of Science:
- Agricultural Science
- Soil Microbiology
- Plant Nutrition
Background:
- Global phosphate demand is rising, straining reserves.
- Arbuscular mycorrhizal fungi (AMF) can enhance phosphorus-use efficiency.
- The influence of phosphorus sources on soil microbial interactions is not well understood.
Purpose of the Study:
- To investigate the relationship between sugarcane dry matter and soil microbial community interactions.
- To assess the effects of different phosphate sources (Simple Superphosphate, Catalão rock phosphate, Bayovar rock phosphate) with and without AMF inoculation.
Main Methods:
- Evaluated sugarcane total dry matter content under various phosphate sources.
- Analyzed soil microbial community structure and interactions.
- Compared results with and without arbuscular mycorrhizal fungi (AMF) inoculation.
Main Results:
- Bayovar rock phosphate (14% P2O5) resulted in the highest total sugarcane dry matter.
- Phosphate source significantly affected total dry matter and soil microbial community structure.
- High P2O5 sources increased bacterial interactions and decreased fungal interactions.
Conclusions:
- Soil microbial interactions, particularly the balance between bacterial and fungal communities, correlate with sugarcane yield.
- Soil microbial interactions can serve as an indicator for optimizing agricultural management and phosphorus fertilization strategies.
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