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    • A half century of fertiliser and lime use in Ireland 

      Walsh, T.; Ryan, P. F.; Kilroy, J. (Statistical and Social Inquiry Society of Ireland, 1957)
      The importance of a satisfactory supply of nutrient elements and lime, in soils, is now universally recognised as one of the major factors in crop production. When a crop, either tillage or pasture, is harvested from a ...