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Chemical and Physical Characteristics of Soils under Maize (Zea mays L.) Cultivation in Pulubala District, Gorontalo Regency Erwan Djunaid Abukaria; Zulzain Ilahude; Fitria S. Bagu; Mahyunita Abdul Gafur; Hayatiningsih Gubali
International Journal of Technology and Education Research Vol. 4 No. 01 (2026): January- March, International Journal of Technology and Education Research (IJ
Publisher : International journal of technology and education research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63922/ijeter.v4i01.2996

Abstract

Soil fertility is a key factor influencing maize productivity, particularly in intensive agricultural areas. This study aimed to evaluate the chemical and physical soil properties of maize (Zea mays L.) fields in Pulubala District, Gorontalo Regency, Indonesia. The study was conducted from April to May 2025 in three maize-growing villages, namely Mulyonegoro, Puncak, and Molalahu. Soil samples were collected using a diagonal sampling technique at a depth of 0–30 cm. Soil physical properties analyzed included texture, bulk density, and water content, while chemical properties comprised soil pH, organic carbon, total nitrogen, available phosphorus (Olsen P₂O₅), exchangeable potassium, cation exchange capacity, and base saturation. The results indicated that soils in the study area were generally slightly acidic, with low organic carbon, low available phosphorus, and low base saturation, despite moderate nitrogen and high potassium availability. These conditions indicate that low organic matter content and phosphorus deficiency are the main limiting factors for soil fertility in the maize fields of Pulubala District. Integrated soil management practices, including organic matter application and balanced fertilization, are required to improve soil quality and support sustainable maize production.
Effect of Various Organic Fertilizer Treatments on Soil Bulk Density and Soil Color in Yardlong Bean (Vigna sinensis L.) B. Hamsa, Jamaludin; Nurmi; S. Bagu, Fitria; Zulzain Ilahude; Yunita Rahim
International Journal of Technology and Education Research Vol. 4 No. 01 (2026): January- March, International Journal of Technology and Education Research (IJ
Publisher : International journal of technology and education research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63922/ijeter.v4i01.3022

Abstract

Yardlong bean (Vigna sinensis L.) is one of the secondary food crops with considerable potential as a food source; th erefore, improvements in cultivation practices are required to enhance its productivity. One effort to increase yardlong bean production is through the application of organic fertilizers, such as chicken manure and cattle manure. This study aimed (1) to evaluate the effects of chicken manure and cattle manure application on soil bulk density (BD) and soil color in yardlong bean cultivation, and (2) to determine the optimal dosage of these organic fertilizers for improving BD and soil color. The study was conducted from September to January 2026 in Tunggulo Village, Tilong Kabila Subdistrict, Bone Bolango Regency, Gorontalo Province, Indonesia. The experiment employed a Randomized Block Design (RBD) consisting of five treatments: P0 (control, without fertilizer), P1 (chicken manure at 10 t ha⁻¹), P2 (chicken manure at 20 t ha⁻¹), P3 (cattle manure at 10 t ha⁻¹), and P4 (cattle manure at 20 t ha⁻¹). Data were analyzed using analysis of variance (ANOVA) followed by the Honestly Significant Difference (HSD) test, and correlation analysis was conducted to examine the relationship between BD and the growth and yield of yardlong bean. The results indicated that the application of chicken manure and cattle manure had no significant effect on soil bulk density and soil color.
Soil chemical Fertility for maize in Tibawa, Gorontalo, Indonesia Ferawati Bano; Zulzain Ilahude; Nurmi; Rida Iswati; Laode Muhamad Irsan
International Journal of Technology and Education Research Vol. 4 No. 01 (2026): January- March, International Journal of Technology and Education Research (IJ
Publisher : International journal of technology and education research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63922/ijeter.v4i01.3042

Abstract

This study evaluated the chemical status of soils under maize (Zea mays L.) cultivation in Tibawa Subdistrict, Gorontalo Regency, Indonesia, to identify fertility constraints and inform site-specific management. A field survey was conducted in May 2025 at three villages (Isimu Utara, Datahu, and Iloponu). At each site, ten subsamples from the 0–20 cm plough layer were composited and analysed for soil pH (H2O and KCl), organic carbon, total nitrogen (Kjeldahl), available phosphorus (Bray I), exchangeable potassium (NH4OAc), and cation exchange capacity (CEC). Results indicated slightly acidic to neutral soils (pH 6.3 - 6.9) with moderate CEC (16.72 - 22.32 cmol(+)/kg). Organic carbon ranged from low to moderate (1.42 - 2.51%). Available P was consistently moderate (12.04–14.72 ppm), whereas exchangeable K was low across all sites (0.19 - 0.24 cmol(+)/kg). Total N varied from low in Isimu Utara (0.13%) to moderate in Datahu and Iloponu (0.24 - 0.26%). The primary limitations for maize production were low K availability and, locally, low N and organic matter. Management should prioritize organic amendments, balanced NPK fertilization based on soil testing, and periodic liming where acidification trends emerge. These findings provide a baseline for future monitoring of soil quality and developing recommendations to sustain maize yields while reducing nutrient losses under intensive management in Tibawa.
Spatial Mapping of Soil Chemical and Physical Properties in Maize (Zea mays L.) Cultivation Areas in Mootilango District, Gorontalo Regency, Indonesia Mohune, Ramlan; Ilahude, Zulzain; S. Bagu, Fitria; Bahua, Mohamad Ikbal; Jamin, Firiah
International Journal of Technology and Education Research Vol. 4 No. 02 (2026): International Journal of Technology and Education Research (IJETER)
Publisher : International journal of technology and education research

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63922/ijeter.v4i02.3277

Abstract

Maize (Zea mays L.) is a strategic commodity in Mootilango District; however, its productivity is still constrained by variations in soil quality. This study aimed to map the chemical and physical status of soils in maize cultivation areas in Mootilango District, Gorontalo Regency, Indonesia. A field survey and laboratory analysis were conducted using composite soil sampling from three villages, namely Pilomonu, Huyula, and Satria, representing different slope conditions. Soil chemical parameters, including organic carbon (C-organic), pH, cation exchange capacity (CEC), nitrogen (N), phosphorus (P), and potassium (K), as well as physical parameters such as soil texture, bulk density, and soil color, were analyzed. The data were spatially processed and presented using ArcGIS 10.3 to generate thematic soil maps. The results indicated that soil chemical status was generally suboptimal, characterized by low to very low levels of C-organic, N, and P, and acidic to slightly acidic soil pH (5.3–6.3), despite having high to very high CEC values. In terms of physical properties, soils were predominantly silty clay, while bulk density values in Pilomonu and Satria were relatively high (>1.70 g/cm³), indicating soil compaction. Spatial mapping identified three management zones: (1) areas with severe chemical constraints (Pilomonu: very acidic pH and low organic carbon), (2) areas with moderate chemical constraints (Satria: slightly acidic pH and low organic carbon), and (3) areas with critical organic matter limitations (Huyula: very low organic carbon with optimal bulk density). It can be concluded that improving soil fertility requires site-specific management practices, including liming, organic matter enhancement, balanced fertilization, and appropriate conservation tillage practices to support sustainable maize production.
Pengaruh Pupuk Organik Cair (Daun Gamal, Batang Pisang, Kulit Pisang) Sebagai Sumber NPK Terhadap Pertumbuhan Tanaman Selada (Lactuca sativa L.) Novita Anggriani Nur; Zulzain Ilahude; Nurmi
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.v4i2.287

Abstract

This research aims to analyze the effect of liquid organic fertilizer (POC) made from gamal leaves, banana stems, and banana peels as a source of NPK on the growth of lettuce (Lactuca sativa L.) and determine the most effective POC dose. The research was conducted in Pulubala Village, Gorontalo City, from June to August 2023, using a Randomized Block Design (RBD) with 10 replications and 4 treatments: P0 (control, without POC), P1 (gamal leaf POC 120 ml + banana stem 70 ml + banana peel 100 ml), P2 (gamal leaf POC 70 ml + banana stem 100 ml + banana peel 120 ml), and P3 (gamal leaf POC 100 ml + banana stem 120 ml + banana peel 70 ml). Observed parameters included plant height, leaf count, stem diameter, and fresh weight. The results showed that POC application had a significant effect (α=5%) on plant height at 28, 35, and 42 days after planting (DAP), leaf count at 35 and 42 DAP, and fresh weight. However, it had no significant effect on stem diameter. Treatment P1 (gamal leaf 120 ml + banana stem 70 ml + banana peel 100 ml) yielded the best results in all significant parameters, with average plant height of 42.17 cm (42 DAP), leaf count of 14 leaves (42 DAP), and fresh weight of 37.77 g.
PELATIHAN PEMANFAATAN SAMPAH ORGANIK BAGI MASYARAKAT DI DESA BOTUTONUO Zulzain Ilahude; Mohamad Ikbal Bahua; Hayatiningsih Gubali
Jurnal Abdimas Terapan Vol. 3 No. 1 (2023): JURNAL ABDIMAS TERAPAN (NOVEMBER)
Publisher : Program Vokasi Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56190/jat.v3i1.40

Abstract

Sampah organik dapat dimanfaatkan menjadi bahan pupuk organik merupakan langkah penting dalam mendukung gaya hidup sehat yang berkelanjutan bagi masyarakat. Pupuk organik sangat berguna untuk meningkatkan kesuburan tanah. Pupuk ini mengandung nutrisi berupa zat hara yang diperlukan oleh tanaman, seperti nitrogen (N), fosfor (P), dan kalium (K). Desa Botutonuo merupakan kawasan wisata pantai dan juga memiliki lahan pertanian dengan berbagai komoditas perkebunan maupun hortikultura. Program MBKN terintegrasi KKN merupakan salah satu upaya atau sarana dalam meningkatkan potensi sumber daya yang ada di desa dengan tujuan mendorong mahasiswa untuk menguasai bidang pertanian yang berguna bagi masyarakat dan pemuda tani desa serta mengembangkan kreatifitas mahasiswa dalam budidaya sayuran organik dengan inovasi teknologi sederhana. Menggunakan pupuk organik lebih aman bagi lingkungan, karena tidak mengandung bahan kimia berbahaya yang dapat merusak kualitas tanah. Selain itu, mengomposkan sampah dapur seperti limbah ikan menjadi pupuk organik juga membantu mengurangi pencemaran lingkungan. Kegiatan program MBKM terintegrasi KKN telah memberikan solusi yang nyata bagi masyarakat sekitarnya dalam memanfaatkan sampah organik. Metode kegiatan dilaksanakan dalam bentuk pelatihan, berupa pembuatan pupuk organik cair dari bahan limbah ikan dan aplikasinya pada tanaman sayur pakcoy. Hasil kegiatan berupa POC limbah ikan, dan tanaman pakcoy yang tumbuh subur dan aman dikonsumsi.
Sinergi Pupuk Nano Organik dan Komunikasi Digital untuk Kemandirian Agropreneur Berbasis Pertanian Berkelanjutan di Desa Tunggulo Selatan Hayatiningsih Gubali; Zulzain Ilahude; Fitrah Yusharyani Puluhulawa
Jurnal Abdimas Terapan Vol. 5 No. 1 (2025): JURNAL ABDIMAS TERAPAN (NOVEMBER)
Publisher : Program Vokasi Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56190/jat.v5i1.116

Abstract

Kegiatan pengabdian ini bertujuan untuk memperkuat kapasitas agropreneur di Desa Tunggulo Selatan melalui sinergi teknologi pertanian berkelanjutan dan strategi komunikasi digital. Metode yang digunakan meliputi demoplot tanaman cabai organik (±250 m²), pelatihan pembuatan pupuk nano organik, pendampingan digital marketing (Instagram, Shopee, TikTok Shop, WhatsApp Business), serta produksi konten pupuk nano organik. Partisipan terdiri dari Gapoktan (10 orang), Karang Taruna (10 orang), perangkat desa (6 orang), tokoh masyarakat (4 orang), dan mahasiswa (14 orang). Data dikumpulkan melalui angket, pre-test/post-test, observasi, wawancara, dan diskusi, kemudian dianalisis secara kuantitatif dan kualitatif. Hasil menunjukkan kehadiran peserta mencapai 90%, partisipasi aktif dalam diskusi dan praktik, serta peningkatan pemahaman dan ketrampilan membuat produksi pupuk nano dari 15 % menjadi 85 %. Kanal digital aktif dan transaksi produk tercatat selama pelaksanaan. Kegiatan ini berhasil menciptakan sinergi antara produksi dan pemasaran digital yang memperkuat ekosistem agropreneur lokal. Rekomendasi diarahkan pada pendirian unit usaha digital desa, integrasi ke RKP Desa, dan kolaborasi mitra dalam keberlanjutan program.
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
Aplikasi Teknologi Media Tanam Kompos Organik dalam Upaya Peningkatan Kualitas Bibit Pisang Cavendish Zulzain Ilahude; Fauzan Zakaria; Hayatiningsih Gubali; Mohamad Lihawa
Jurnal Abdimas Terapan Vol. 5 No. 2 (2026): JURNAL ABDIMAS TERAPAN (MEI)
Publisher : Program Vokasi Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56190/jat.v5i2.134

Abstract

Quality Cavendish banana seedlings are needed to support successful cultivation and improve the productivity of banana farming. However, the Women Farmers Group Tunas Hijau in Haya-haya Village, West Limboto District, Gorontalo Regency, still faces several problems in seedling preparation. The growing medium used by the group still depends on ordinary soil, has low organic matter content, poor drainage, and does not yet produce uniform seedling growth. In addition, the technical knowledge of group members in preparing and applying organic compost as a growing medium is still limited. This community service activity aimed to apply organic compost-based growing media technology to improve the quality of Cavendish banana seedlings. The method consisted of program socialization, initial observation of seedling conditions, training on organic compost use, training on growing media formulation, demonstration of growing media preparation with a 2:1:1 ratio of soil, mature organic compost, and rice husk, mentoring during seedling application, and evaluation of seedling growth. The activity involved 20 participants and was carried out collaboratively with students and farmer group members. The results showed increased participant understanding and skills in recognizing mature compost, formulating growing media, filling polybags, transplanting seedlings, and maintaining seedling moisture. This activity provides a simple, low-cost, and applicable technology that can support healthier, more uniform, and sustainable Cavendish banana seedling production.
PENGARUH PENGGUNAAN TANAMAN REFUGIA TERHADAP POPULASI HAMA, INTENSITAS SERANGAN ULAT GRAYAK DAN BIODIVERSITAS SERANGGA PADA TANAMAN JAGUNG MANIS (Zea mays saccharata Sturt) Sri Purnama Makmur; Angry P. Solihin; Silvana Apriliani; Rida Iswati; Zulzain Ilahude
JURNAL ILMIAH PENELITIAN MAHASISWA Vol 4 No 6 (2026): Desember
Publisher : Kampus Akademik Publiser

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jipm.v4i6.3124

Abstract

Tingginya serangan hama serangga pada pertanaman jagung manis sering mendorong penggunaan insektisida kimia secara intensif, yang berpotensi menurunkan keberagaman dan keseimbangan komunitas serangga. Penelitian ini bertujuan untuk mengetahui pengaruh penggunaan tanaman refugia terhadap populasi hama dan biodiversitas serangga. Penelitian ini dilaksanakan pada bulan maret sampai dengan bulan juni 2024, di Desa Helumo Kecamatan Suwawa Kabupaten Bone Bolango Provinsi Gorontalo dan Laboratorium Hama dan Penyakit Tanaman Fakultas Pertanian Universitas Negeri Gorontalo. Rancangan Acak Kelompok (RAK) yang digunakan dengan tiga perlakuan; P0 = Kontrol, P1 = Tanaman Refugia dan P2 = Insektisida Kimia, masing-masing diulang sebanyak empat kali. Parameter yang diamati adalah jenis-jenis hama yang menyerang pada tanaman jagung manis (Zea mays saccharata Sturt), populasi hama, indeks keanekaragaman dan intensitas serangan ulat grayak (Spodoptera frugipeda). Data jenis hama dianalisis secara deskriptif kualitatif selanjutnya populasi hama, indeks keanekaragaman dan intensitas serangan ulat grayak (Spodoptera frugipeda) dianalisis secara statistik dengan menggunakan Analisis Varian (ANOVA) dan uji lanjut Duncan pada taraf signifikan 0,05. Hasil penelitian menunjukkan bahwa pada penggunaan tanaman refugia tidak terdapat perbedaan antara populasi hama pada perlakuan refugia dengan kontrol dan insektisida kimia. Perlakuan refugia mampu menurunkan intensitas serangan hama ulat grayak dibandingkan perlakuan kontrol, meskipun penurunan tersebut tidak sebesar pada perlakuan insektisida kimia. serta mampu mempertahankan biodiversitas serangga yang lebih beragam dibandingkan perlakuan insektisida.