HAMIDI, N.; MOHAMMADI, H.; VOJOUDI, L.; SADEGHI, A. Effects of Nitrogen Treatment and Intra-Row Spacing on the Morphological and Physiological Characteristics in Pumpkin (Cucurbita Pepo L.). aas 2016, 107 (1), 65–71. https://doi.org/10.14720/aas.2016.107.1.07.