Scientists led by Margaret Massam discovered a method to measure DNA-bound phosphorus (DNA-P) in soil
GS3Economy · S&T · Environment · Security· Cropping patterns & irrigation· Prelims·
Why in news
Scientists led by Margaret Massam discovered a method to measure DNA-bound phosphorus (DNA-P) in soil, identifying it as a dynamic biological pool for soil fertility.
Background
The research, published in the Journal of Agricultural and Marine Sciences, identifies DNA-P as phosphorus found within the DNA of living microorganisms. Unlike stable reserves, DNA-P is a dynamic pool linked to microbial activity and nutrient cycling.
Facts for Prelims
- S&TDNA-P: Phosphorus bound within the DNA of living microorganisms in soil.
- FactDNA-P is a dynamic biological pool rather than a stable long-term phosphorus reserve.
- S&TMicrobial activity is the primary driver of DNA-P cycling and soil fertility.
For Mains
Q. Discuss how understanding microbial phosphorus dynamics can contribute to sustainable intensification of agriculture and soil health management in India.
Dimensions to cover in your answer
- Nutrient management: Transitioning from chemical-heavy fertilization to biologically-mediated phosphorus cycling
- Soil health: Enhancing microbial biodiversity to maintain the dynamic DNA-P pool for long-term fertility
- Sustainable food systems: Reducing phosphorus runoff by optimizing the utilization of biologically available soil nutrients
Keywords: Soil Fertility · Microbial Dynamics · Sustainable Agriculture · Nutrient Cycling · Phosphorus Reservoir
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