土壤有效磷测定方法概述

摘要

土壤有效磷是土壤肥力重要指标和磷肥施用量的基本指标.为更好地指导农业生产,对土壤有效磷常用化学、同位素示踪以及生物测定方法进行概述,并就今后发展趋势进行分析.%Available phosphorous is an important indicator of soil fertility and a fundamental indicator of applying phosphatic fertilizer.The determination of available phosphorous is crucial in guilding agricultral production.The determination methods for available phosphorous were summarized,including chemical method,isotopic tracer and biological test and the development tendency of these methods in the future were analyzed.