简介:Soiltestforavailabilityofnutrientsandheavymetalsisextensivelyservedasameansfortheevaluationsofsoilfertility,andenvironmentaleffectsandphytotoxicityofpollutantsinsoils,andforthefertilizerrecommendationinagriculturalandenvironmentalsciences.Therefore,greatattentionhasbeenpaidtothemeasurementofelementalavailabilityinsoiltest.