Mohamed Suleiman, M., M. Rabeh, .., Fathalla, A. (2025). Studies on citrus nutrition and fertilization. Menoufia Journal of Plant Production, 10(2), 37-42. doi: 10.21608/mjppf.2025.418694
Mustafa Gamal Abdelgwad Mohamed Suleiman; . M. R. M. Rabeh; A. M. Fathalla. "Studies on citrus nutrition and fertilization". Menoufia Journal of Plant Production, 10, 2, 2025, 37-42. doi: 10.21608/mjppf.2025.418694
Mohamed Suleiman, M., M. Rabeh, .., Fathalla, A. (2025). 'Studies on citrus nutrition and fertilization', Menoufia Journal of Plant Production, 10(2), pp. 37-42. doi: 10.21608/mjppf.2025.418694
Mohamed Suleiman, M., M. Rabeh, .., Fathalla, A. Studies on citrus nutrition and fertilization. Menoufia Journal of Plant Production, 2025; 10(2): 37-42. doi: 10.21608/mjppf.2025.418694
2Prof. of Pomology, Fac. of Agric., Menoufia Univ.
3Lecturer of Pomology, Fac. of Agric., Menoufia Univ.
Abstract
This study was conducted during the 2020/2021 and 2021/2022 seasons on Navel orange trees onto sour orange rootstock at the Orchard of the Faculty of Agriculture at Shebin El-Kom, Menoufia University. The texture of the soil is clay loam.
This experiment aimed to elucidate the impact of various sources, levels, and methods of nitrogen applications on the growth, fruit set, yield, and both physical and chemical properties of Navel orange trees.
The experiment included the following nine treatments:
Application of ammonium sulfate (20.6% N) at 5 kg/ tree
Application of liquid ammonium nitrate (41.2% N) at 2.5 L/tree
Application of urea (46.5% N) at 2.2 kg/tree
Application of Enciabene (40 % N) at 1.25 kg/tree
Application of Enciabene (40 % N) at 1.875 kg/tree
Application of Enciabene (40 % N) at 2.5 kg/tree
Application of Enciabene at 0.500 kg + urea at 1.75 kg/ tree
Application of Enciabene at 0.500 kg +ammonium nitrate at 2L/tree
Application of Enciabene at 0.500 kg +ammonium sulfate at 4kg/tree
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