国际研究团队成功优化了一种测量土壤中DNA结合磷的实验方法，使其更加经济实惠且操作简便，同时保持了检测的准确性 1。该改进方法通过消除先前必需的酶处理步骤而得以简化，但仍保留了超滤作为必要环节 1。这项研究发表在《农业和海洋科学学报》上 1。
来自苏丹卡布斯大学、詹姆士·赫顿研究所和阿曼环境局等机构的研究人员在英国32种不同土壤类型上对改进方法进行了测试 1。研究发现，DNA结合磷在所研究土壤有机磷中仅占较小比例，但与土壤pH值、微生物生物量磷、有机物含量以及土壤水中溶解的磷等因素显示出强相关性 1。该方法的优化有助于科学家更深入地理解这种必需营养物质在生态系统中的循环过程，最终可为更可持续的肥料和养分管理策略提供支持 1。
An international research team has streamlined a method for measuring DNA-bound phosphorus in soil, making it more affordable and user-friendly while maintaining accuracy.1 The improved technique eliminates an enzyme treatment step that was previously required, though ultrafiltration remains a necessary part of the process.1 This advancement could help scientists better understand how this essential nutrient circulates through ecosystems and ultimately support more sustainable approaches to fertilizer and nutrient management.1
The research, published in the Journal of Agricultural and Marine Sciences, was conducted by teams from Sultan Qaboos University, the James Hutton Institute, and the Oman Environmental Authority, among other institutions.1 The optimized method was tested across 32 different soil types in the United Kingdom.1 Researchers found that DNA-bound phosphorus, while representing only a small fraction of the organic phosphorus in the studied soils, demonstrates strong correlations with soil pH, microbial biomass phosphorus, organic matter content, and dissolved phosphorus in soil water.1
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