=LDR 22 4500 =001 901 =082 04$a2005 SHA =100 1\$aSharkey, Nova =245 10$aA comparative study of nutrient concentration in plant shoot tissue in response to soil concentrations of nitrogen, phosphorus, potassium and calcium in five common turlough plant species =260 \\$aDublin :$bUniversity of Dublin, Trinity College,$c2005 =650 \0$aTheses =852 \\$bFreeman Library$h2005 SHA