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Angelia, Cut Wulan
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Veterinary

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Nitrogen Analysis in Legume and Nonlegume Plants Angelia, Cut Wulan; Maghfirah, Ruhul; Purnama, Agnia; Farida, Mutia; Afifi, Muhammad Ridho; Siregar, Indri Hastuti
JURNAL BIOLOGICA SAMUDRA Vol 7 No 2 (2025): Biologica Samudra
Publisher : Program Studi Biologi, Fakultas Sains dan Teknologi, Universitas Samudra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33059/jbs.v7i2.11715

Abstract

Nitrogen is one of the essential macronutrients required by plants. It can be obtained from both organic and inorganic fertilizers. Naturally, plants acquire nitrogen through the nitrogen-fixation process carried out by Rhizobium bacteria, which occurs exclusively in leguminous plants. This study aims to evaluate the differences in nitrogen content between legume and non-legume plants. The Kjeldahl method was used to measure total nitrogen in peanut (Arachis hypogaea L.), butterfly pea (Clitoria ternatea L.), and maize (Zea mays). The results showed that legume plants—peanut and butterfly pea—contained higher nitrogen levels than the non-legume plant, maize, with values of 6.82%, 5.06%, and 4.42%, respectively. Therefore, it can be concluded that legume plants have a greater capacity for nitrogen uptake due to biological fixation in their root nodules, making them a potential natural nitrogen source for improving soil fertility.
Co-Authors Afifi, Muhammad Ridho Maghfirah, Ruhul Mutia Farida, Mutia Purnama, Agnia Siregar, Indri Hastuti