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    • The effect of long-term application of P fertilizer on soil grown forage plants 

      Nayyar, A.; Hamel, C.; Hanson, K.; Selles, F.; Jefferson, P.; Germida, J. (2006-03-01)
      Phosphorus (P) fertilization does not always increase crop yields but the repeated use of P may modify the biological properties of soils. The objective of the present study, therefore, was to investigate the effect of ...