From

Monitoring of Element Contents of Three Different Apple (Malus Spp.) Varieties in an Apple Tree

Richard Horsley, Hakki Gökbel, Mehmet Musa Özcan, Mustafa Harmankaya, Şenay Şimşek

Journal of Food and Nutrition Research. 2014, 2(3), 127-129 doi:10.12691/jfnr-2-3-6