Effect of urea fertilization on growth of broad bean ( Vicia faba L.) under various nickel (Ni) levels with or without a
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ORIGINAL PAPER
Effect of urea fertilization on growth of broad bean (Vicia faba L.) under various nickel (Ni) levels with or without acetic acid addition, using 15N-labeled fertilizer Mostafa Zhran . Ahmed Moursy . Tin Mar Lynn
. Ahmed Fahmy
Received: 24 October 2019 / Accepted: 26 August 2020 Ó Springer Nature B.V. 2020
Abstract Although nickel (Ni) has direct relationship with nitrogen metabolism of plants, the high dose of Ni fertilizer in broad bean plants may affect the nitrogen use efficiency (NUE), impair plant development and even cause Ni pollution in soil. Thus, a pot experiment was set up to study the effect of urea fertilization on N-uptake, root and shoots’ Ni content as well as growth of broad bean plants under different levels of Ni, using 15N tracer technique. 15N-labeled urea (5% 15N atom excess) was added at three doses (0, 30 and 60 mg N kg-1 soil).
Mostafa Zhran and Ahmed Moursy have contributed equally to this work. M. Zhran A. Moursy A. Fahmy Soil and Water Research Department, Nuclear Research Center, Atomic Energy Authority, Abou-Zaabl 13759, Egypt M. Zhran T. M. Lynn Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China T. M. Lynn (&) Microbiology Division, Biotechnology Research Department, Ministry of Education, Kyaukse City, Mandalay Region 100301, Myanmar e-mail: [email protected] A. Fahmy Haikou Experimental Stations, Chinese Academy of Tropical Agricultural Sciences (CATAS), Haikou, PR China
Nickel sulfate (NiSO4) was also applied at three levels (0, 50 and 100 mg Ni kg-1 soil). The experiment was laid out with or without acetic acid in randomized complete block design in three replicates. Treatment with the addition of 60 mg N ? 50 mg Ni showed the highest values in dry weights of root and shoots, N-uptake by shoots, nitrogen derived from fertilizer (Ndff %) and NUE % by shoots in both with or without acetic acid solution. Higher rate of Ni addition can decrease shoot and root biomass by inhibiting the ability of the plant to uptake the nitrogen efficiently. However, addition of acetic acid solution induced the improvement of NUE % and Ndff % by shoot and root of broad bean plants. This study provides insight into how to improve plant yield without damaging the soil health and will be helpful to create a better world with sustainable agriculture. Keywords Broad bean plants Sandy soil Urea fertilizer Nickel sulfate Acetic acid solution 15Nlabeled fertilizer
Introduction Broad bean (Vicia faba L.) is one of the most important winter leguminous crops in Egypt. It can be consumed in many popular dishes by the majority of population due to its high content of protein. The broad bean cultivars vary in many aspects, such as plant height, flowering time, number of branches per plant, pod weight, length, width, number of pods per plant and number of seeds per pod, as
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Environ Geochem Health
well as seed index an
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