Fertiliser Efficiency Review

Phosphorus Input for the last 5 years

Year Fertiliser Rate kg/ha *example 2003 2004 2005 2006 2007

1. 5 Year cereal average  T/ha 2. Total Hectares Farmed? 3. Range of Colwell Phosphorus that best represents your farm:  mg/kg 4. Range of soil pH that best represents your farm:  pH(1:5CaCl2) 5. Range of Phosphate Retension Index (PRI) that best represents your farm:  PRI(10mg/kg P)

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