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Phosphorus and potassium

  Link Details for: Phosphorus and potassium
Link Title: Phosphorus and potassium Open in a new window
Link URL: http://www.omafra.gov.on.ca/english/crops/facts/97-005.htm
Link Details: Describes the phosphorus (P)and potassium (K) soil testing and fertilizer recommendation system in Ontario, Canada.
Category: Top : Science : Agriculture : Soils : Soil_Fertility_and_Fertilizers
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Phosphorus and potassium