@article{McAllister_Savill_1977, title={Effects of pig and cow slurry on the growth of Sitka spruce on oligotrophic peat and gley soils in Northern Ireland.}, url={https://journal.societyofirishforesters.ie/index.php/forestry/article/view/9374}, journal={Irish Forestry}, author={McAllister, J.S.V. and Savill, P.S.}, year={1977}, month={Nov.}