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    • Soil nitrogen leaching from tree row strips and grassed alleys in a pear orchard 

      Ventura M; Scandellari F; Opstad N; Zanotelli D; Quartieri M; Tagliavini M (Plant Research International, 2006)
      A study was carried out to evaluate nitrogen losses between October 2004 and February 2005 in a pear (Pyrus communis cv. Abbé Fètel) orchard, in the eastern Po Valley (Northern Italy). NO3 - concentration was determined ...