Rehman, Z., Hyder, S.I., Arshadullah, M. and Muhammad, S. 2015. Nitrogen Status of Soil and Plants in Apple Orchards of Quetta Valley, Pakistan: Short Communication: Nitrogen Status in Apple Orchards. Biological Sciences - PJSIR. 58, 1 (Apr. 2015), 54–55. DOI:https://doi.org/10.52763/PJSIR.BIOL.SCI.58.1.2015.54.55.