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New Soil Test Unlocks Microbe-Plant Nutrient Secrets, Boosts Sustainable Agriculture
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News18•27-09-2026, 21:15
New Soil Test Unlocks Microbe-Plant Nutrient Secrets, Boosts Sustainable Agriculture
- •Scientists developed a simpler, cheaper method to measure DNA-bound phosphorus (DNA-P) in soil, offering insights into how microbes recycle this essential nutrient for plants.
- •The refined technique, developed by an international team including Sultan Qaboos University, maintains accuracy while removing unnecessary steps, making it more practical for research.
- •Phosphorus is vital for plant growth, and understanding its storage and release in soil is crucial for maintaining fertile farmland and improving nutrient use efficiency.
- •The study found DNA-P, though a small fraction of total organic phosphorus, strongly correlates with soil characteristics like pH and microbial biomass, indicating its link to living microorganisms.
- •This improved method provides a window into the biologically active part of the soil phosphorus cycle, supporting research into soil fertility and sustainable food production amidst finite phosphorus resources.
Key Questions Answered
The newly developed method provides a simpler and cheaper way to measure DNA-bound phosphorus in soil, offering researchers a clearer view of how soil microbes recycle this essential nutrient to help plants.
The research team found that enzyme treatments previously included in the procedure were unnecessary, so they removed them to make the test easier and less expensive while maintaining precision.
Ultrafiltration remains essential because it successfully separates DNA-bound phosphorus from other phosphorus-containing compounds, ensuring the measurements stay accurate.
