Chemical nature and potential mobility of phosphorus in fertilized grassland soils

  title={Chemical nature and potential mobility of phosphorus in fertilized grassland soils},
  author={Richard W. McDowell and Leo Murtagh Condron},
  journal={Nutrient Cycling in Agroecosystems},
This paper describes results from a study of the effects of various applications of phosphorus (P) on the amounts, forms and potential mobility of P in grassland soils (0-7.5 cm) collected from four locations in the United Kingdom (Hertfordshire, Devon) and New Zealand (Taranaki, Canterbury). A sequential extraction scheme (NH4Cl, NH4F, NaOH I, H2SO4, NaOH II, residual P) designed to isolate P associated with aluminium (Al), iron (Fe) and calcium (Ca) was used to characterise P in the grassland… CONTINUE READING
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