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Pengaruh Cekaman Kekeringan terhadap Pertumbuhan dan Hasil Tanaman Sawi (Brassica juncea L.) Varietas Puteri dan Varietas Shinta Muzakir Dukalang; Nikmah Musa; Fauzan Zakaria
Research Review: Jurnal Ilmiah Multidisiplin Vol. 4 No. 2 (2025): Research Review: Jurnal Ilmiah Multidisiplin (Agustus 2025 - Januari 2026)
Publisher : Transbahasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54923/researchreview.v4i2.232

Abstract

Mustard greens (Brassica juncea L.) are among the most widely consumed vegetables and play an important role in supporting food and nutritional security. This study aimed to evaluate the tolerance of different mustard green varieties to drought stress and to analyze the interaction between drought stress and variety performance. The experiment was conducted from April to May 2025 at the experimental field of the Faculty of Agriculture, Universitas Negeri Gorontalo (UNG), using a split-plot design with two factors: drought stress and plant variety. Drought stress was designated as the main plot, consisting of three levels: C0 = 100% field capacity (FC), C1 = 50% FC, and C2 = 30% FC. The subplot consisted of two mustard green varieties: V1 = Puteri and V2 = Shinta. These treatments resulted in six treatment combinations (C0V1, C0V2, C1V1, C1V2, C2V1, and C2V2), each replicated three times, producing a total of 18 experimental units. Each unit consisted of four polybags measuring 20 × 20 cm. The results revealed that the two mustard green varieties exhibited different responses in terms of growth and yield under drought stress conditions. The Puteri variety demonstrated greater tolerance to drought stress compared to the Shinta variety. An interaction was observed between drought stress and variety on plant height at two weeks after transplanting. Furthermore, drought stress at 50% field capacity was still able to meet the water requirements of mustard greens, as shown by plant height, number of leaves, leaf area, and fresh weight.
Analisis Kandungan Unsur Hara Makro (N, P, K, Ca, Mg, S), C-Organik dan Kadar Air Pada Lahan Jagung (Zea mays L.) di Desa Biyonga Kecamatan Limboto Kabupaten Gorontalo Novaldy Damopolii; Fitriyah Suryani Jamin; Nikmah Musa
Research Review: Jurnal Ilmiah Multidisiplin Vol. 4 No. 2 (2025): Research Review: Jurnal Ilmiah Multidisiplin (Agustus 2025 - Januari 2026)
Publisher : Transbahasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54923/researchreview.v4i2.235

Abstract

Corn production in Gorontalo Province plays a significant role in supporting both local food needs and export demands. However, corn productivity is highly dependent on soil fertility, particularly the availability of macronutrients. This study aims to: (1) assess the content of macronutrients (N, P, K, Ca, Mg, S), organic carbon (C-organic), and soil moisture in corn fields in Biyonga Village, Limboto Subdistrict, Gorontalo Regency; and (2) discover the differences in the content of these elements between crop rotation systems (Dusun or Hamlet 1) and monoculture systems (Hamlet 3). The study employed a survey method and laboratory analysis of soil samples collected diagonally from two study sites. The finding indicates that the majority of macronutrients, organic carbon, and soil moisture content fall within the low to moderate category. Nutrient levels were found to be higher in the crop rotation system compared to the monoculture system. This suggests that planting patterns significantly influence the availability of nutrients in the soil.
A Pengaruh Metode Pematahan Dormansi Dan Posisi Tanam Benih Terhadap Viabilitas Benih Salak (Salacca edulis Reinw) I Made Leddy; Hayatiningsih Gubali; Nikmah Musa
Jurnal Penelitian Pertanian Terapan Vol 24 No 3 (2024)
Publisher : Politeknik Negeri Lampung.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jppt.v24i3.3374

Abstract

The hard and thick structure of snakefruit seeds makes it difficult for snakefruit seeds to germinate, therefore efforts are needed to break the dormancy of snakefruit seeds. The aim of the research was to determine the method of breaking dormancy and the appropriate seed planting position to increase the viability of snakefruit (Salacca edulis Reinw) seeds, which was carried out at the Green House of the Agriculture, Fisheries and Forestry Extension Center (BP3K). The research method uses a factorial pattern in a completely randomized design. The first factor is the dormancy breaking method which consists of 5 levels, namely control, atonic, gibberellin (GA3), 60oC hot water, and sanding. The second factor is the position of planting seeds which consists of 3 levels, namely upright, lying down and upside down. Data analysis was carried out using ANOVA with a DMRT further test at 5% level. The research results showed that the method of breaking dormancy had an effect on the viability of snakefruit seeds. A good method of breaking dormancy is with GA3. The position of seed planting influences the viability of snakefruit seeds. The positions for planting seeds that have a good effect are the upright and lying positions. There was an interaction between the method of breaking dormancy using GA3 and the planting position of the lying seeds on the viability of the snakefruit seeds.
Perbaikan Retensi Air dengan Aplikasi Bahan Organik pada Pertanaman Sorgum Nurmi Nurmi; Nikmah Musa; Zulzain Ilahude
Jurnal Ilmu Pertanian Indonesia Vol. 29 No. 2 (2024): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18343/jipi.29.2.298

Abstract

This study aimed to determine the role of water hyacinth (Eichhornia crassipes Mart.) organic matter on water retention at pF 2.54 and pF 4.2, available water content, and bulk density (BD). The research method used was a factorial randomized block design. The first factor was the sorghum variety, which consisted of 2 levels, namely, V1 (variety) and V2 (Kawali). The second factor was the dose of water hyacinth organic matter, which consisted of 5 levels, namely P0 (without the application of water hyacinth organic matter), P1 (10 tons.ha-1), P2 (20 tons.ha-1), P3 (30 tons.ha-1), and P4 (40 tons.ha-1). Water retention was measured at pF 2.54 and pF 4.2 using a pressure plate apparatus and pressure membrane apparatus, respectively, and BD was measured using the ring method. The results showed that the treatment of organic matter application and varieties had a significant effect on water retention at pF 2.54, available water content, and BD with the best treatment of 40 tons of organic matter application and Kawali variety, but not affecting water retention at pF 4.2. There was no interaction between water hyacinth organic matter and sorghum varieties to improve water retention and BD. The highest water retention at pF 2.54 was 32.24% (P4), and the highest available water content was 11.67% (P4) but not significantly different from P3 (11.55%); the lowest BD was 1.11 g.cm-3 (P4) but not significantly different from P3 (1.13 g.cm-3). A very strong positive linear and negative linear correlation exists between available water content and BD with plant height, panicle length, and sorghum yield. Keywords: bulk density, water hyacinth, water content, water retention, sorghum