]*>","")" /> Effect of active carbon containing phosphorous on analytic result of quick- acting phosphorous in soil

• Article • Previous Articles     Next Articles

Effect of active carbon containing phosphorous on analytic result of quick- acting phosphorous in soil

Risalat   

  • Received:2005-06-25 Revised:2005-06-25 Online:2005-06-25 Published:2005-06-25

含磷活性炭对土壤速效磷测定的影响

热沙来提   

  1. 新疆农科院土壤肥料研究所,新疆,乌鲁木齐,830000

摘要: 通过试验对土壤速效磷测定过程中存在的待测液脱色问题进行探讨,初步得出以下结果:(1)样品中加入0.25g含磷活性炭,对待测液的脱色效果较好,但对养分含量较低的土样测定结果有一定的影响,使样品的测定结果大约增加了1 mg/kg.(2)在没有无磷活性炭的情况下,对于有颜色的待测液,可根据颜色深浅,适当减少待测液吸样量进行测定,对样品的测定结果没有影响.