Response of Onion Fresh Weight, Nutrients
Uptake, Nitrogen Use Efficiency, Yield,
and Bulb Quality to Different Nitrogen
Fertilization Levels and Plant Density
Omar Abdullah Alkhateeb,
Abd Allah Bardisi,
Hany Ismail
et al.
Abstract:A field experiment was carried out during the two successive winter seasons of 2020-2021 and 2021-2022, in the private vegetable farm at Diarb Negm District, Sharkia Governorate, Egypt, to study the effect of mineral nitrogen levels and plant density on fresh weight, total N, P, and K uptake, total yield, nitrogen use efficiency, and bulb quality of the onion (cv. Ahmar tantawy). This experiment included 12 treatments, which were combinations between four levels of mineral nitrogen (0, 192, 240, and 288 kg N/h… Show more
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