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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal Ilmu Pertanian Indonesia Agrifor : Jurnal Ilmu Pertanian dan Kehutanan Journal of Degraded and Mining Lands Management AGRIVITA, Journal of Agricultural Science AGRICOLA Biology, Medicine, & Natural Product Chemistry AGRITEPA: Jurnal Ilmu dan Teknologi Pertanian Jurnal Penelitian Pertanian Terapan Kultivasi Mimbar Agribisnis: Jurnal Pemikiran Masyarakat Ilmiah Berwawasan Agribisnis Jurnal CoreIT Jurnal Agrotek UMMat Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Jurnal Agrotek Tropika Journal of Tropical Crop Science Daun: Jurnal Ilmiah Pertanian dan Kehutanan PengabdianMu: Jurnal Ilmiah Pengabdian kepada Masyarakat Jurnal Ilmiah Inovasi Agroplantae: Jurnal Ilmiah Budidaya dan Pengelolaan Tanaman Perkebunan AGROSCRIPT Journal of Applied Agricultural Sciences Planta Simbiosa : Jurnal Tanaman Pangan dan Hortikultura Jurnal Agrotropika Jurnal Pengabdian Nasional Jurnal Sains dan Teknologi Pertanian Agro Tatanen AGRI-TEK : Jurnal Penelitian Ilmu-ilmu Eksakta Journal of Agriculture and Animal Science Agritrop : Jurnal Ilmu-Ilmu Pertanian (Journal of Agricultural Science) Agroscript: Journal of Applied Agricultural Sciences
Dulbari, Dulbari
Politeknik Negeri Lampung
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Immunology & microbiology Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Medicine & Pharmacology Public Health Social Sciences Veterinary Other

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Optimalisasi Potensi Limbah Jerami Padi Sebagai Pupuk Organik Lokal Untuk Mitigasi Degradasi Tanah Andosol di Kecamatan Kebun Tebu Kabupaten Lampung Barat Muhamad Izhar; Priyadi Priyadi; Dulbari Dulbari
Agrifor : Jurnal Ilmu Pertanian dan Kehutanan Vol 25, No 2 (2026): Oktober 2026
Publisher : Universitas 17 Agustus 1945 Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31293/agrifor.v25i2.9376

Abstract

Kecamatan Kebun Tebu, Kabupaten Lampung Barat, memiliki potensi biomassa melimpah namun pemanfaatannya sebagai pupuk organik belum optimal. Penelitian ini bertujuan menganalisis potensi ketersediaan limbah pertanian dan peternakan sebagai sumber bahan baku pupuk organik mandiri. Metode penelitian menggunakan pendekatan deskriptif kuantitatif dengan pengumpulan data primer melalui teknik ubinan pada padi Ciherang Lestari (Jajar Legowo 3:1), serta data sekunder populasi ternak dan luas panen 2021. Temuan penelitian menunjukkan bahwa limbah tanaman pangan mencapai 10.954 ton dan perkebunan 10.339 ton, didominasi jerami padi dengan potensi hasil segar 23,36 t/ha. Di sektor peternakan, beban ternak sebesar 834,07 Satuan Ternak (ST) mampu menghasilkan 594,69 ton kotoran yang setara dengan 297,36 ton pupuk organik siap pakai. Integrasi limbah tanaman yang kaya karbon dengan limbah ternak sebagai aktivator biologis menjadi solusi strategis untuk memenuhi standar mutu pupuk organik. Simpulan penelitian menegaskan bahwa Kecamatan Kebun Tebu memiliki kapasitas biomassa yang memadai untuk mewujudkan kemandirian pupuk dan pertanian berkelanjutan
EFEKTIVITAS KOMBINASI EKSTRAK DAUN KIRINYUH (Chromolaena odorata) DAN SURFAKTAN LERAK (Sapindus rarak) SEBAGAI BIOHERBISIDA RAMAH LINGKUNGAN TERHADAP GULMA Sphenoclea zeylanica Indrawan Indrawan; Rizky Rahmadi; Dulbari Dulbari; Denny Sudrajat
JURNAL AGROTROPIKA Vol. 25 No. 2 (2026): Jurnal Agrotropika Vol 25 No 2, Oktober 2026
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v25i2.10695

Abstract

Sphenoclea zeylanica weed is one of the dominant weeds in rice cultivation that can significantly reduce yields. The use of synthetic herbicides to control this weed often has negative impacts on the environment and health. Therefore, the use of natural ingredients such as siam weed leaf extract (Chromolaena odorata L.) and natural surfactants from soapberry fruit (Sapindus rarak DC.) is an environmentally friendly alternative. This study aims to determine the allelochemical effectiveness of siam weed leaf extract in controlling S. zeylanica weeds and determine the best dose combination with soapberry surfactant. The study was conducted from December 2023 to January 2024 at Polinela Organic Farm, Lampung State Polytechnic, using a Randomized Block Design (RBD) consisted of 7 treatments and 5 replications. The treatments consisted of control, siam weed extract concentrations of 10%, 20%, 30%, and a combination of siam weed with 3% soapberry surfactant. The parameters observed included weed plant height, wet weight, dry weight, SPAD index, toxicity (%), LT50, and ED50. Data were analyzed using ANOVA and continued with DMRT test at 5% level. The results showed that siam weed leaf extract was effective in suppressing the growth of S. zeylanica, indicated by a decrease in plant height, chlorophyll content, wet weight, and dry weight of weeds compared to the control. The combination of 30% kirinyuh extract with 3% soapberry fruit surfactant was the most effective treatment, with the fastest LT50 of 2.2 days. These findings indicate the potential of siam weed and soapberry fruit extracts as environmentally friendly natural bioherbicides for weed control. This finding showed the potential use of soapberry as a natural surfactant to improve weed suppression results.  
PENGARUH PUPUK, MULSA ORGANIK DAN SISTEM TANPA OLAH TANAH TERHADAP KOMPONEN HASIL JAGUNG MANIS PADA KONDISI TROPIS Ana Mifthahur Rohmah; Dulbari Dulbari; Fajar Rochman; Denny Sudrajat
JURNAL AGROTROPIKA Vol. 25 No. 2 (2026): Jurnal Agrotropika Vol 25 No 2, Oktober 2026
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v25i2.13174

Abstract

Sweet corn (Zea mays saccharata Sturt.) is a horticultural commodity with high economic This study aimed to evaluate the growth and yield responses of sweet corn (Zea mays saccharata L.) to the combination of tillage systems, organic mulch, and fertilization under tropical agroecosystem conditions. The experiment was conducted at Polinela Organic Farm, Lampung, using a randomized complete block design (RCBD) with six treatments and three replications. The treatments consisted of combinations of inorganic fertilizer, organic fertilizer, organic mulch, and tillage systems, including no-tillage and conventional tillage. The observed parameters included plant height, leaf number, leaf greenness index (RGB), sweetness level, ear diameter, ear length, and ear weight. Data were analyzed using analysis of variance (ANOVA), followed by Honestly Significant Difference (HSD) test at a 5% significance level. The results showed that the treatments had no significant effect on plant growth, sweetness level, and ear weight (p > 0.05). However, significant effects were observed on ear diameter and ear length (p < 0.05). The application of organic mulch under no-tillage system produced the highest ear diameter, while the greatest ear length was obtained from the combination of organic and inorganic fertilizers with mulch under no-tillage, as well as organic mulch without tillage. These findings indicate that the application of organic mulch in a no-tillage system has the potential to improve certain yield components and support more efficient and sustainable sweet corn production systems.
Dinamika Susut Bobot dan Padatan Terlarut Total Beberapa Varietas Jagung Manis (Zea mays saccharata) Selama Penyimpanan Pascapanen pada Suhu Ruang Affan Prasetya; Dulbari; Zulkarnain; Anung Wahyudi
AgriMalS Vol 6 No 2 (2026): Volume 6 Nomor 2 Tahun 2026
Publisher : Sentra Kekayaan Intelektual dan Publikasi Ilmiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47637/nn331e63

Abstract

Sweet corn (Zea mays saccharata) is a horticultural commodity that is susceptible to postharvest quality deterioration due to water loss and changes in carbohydrate metabolism during storage. This study aimed to evaluate changes in weight loss and total soluble solids (TSS) in seven sweet corn varieties during storage at room temperature and to analyze the effects of variety, storage duration, and their interaction. The varieties tested were SC SH722, JM 3165, Exsotic, Paragon, HIBRIX 59, HIBRIX 72, and 18E5044, each with three replications. Observations were conducted on days 0, 2, 4, 6, 8, and 10 at a temperature of 27–30 °C and a relative humidity of 70–85%. The data were analyzed using a Linear Mixed Model (LMM), with variety, storage duration, and their interaction as fixed effects and the experimental unit as a random effect. The results showed that weight loss increased in all varieties during storage. On day 10, the lowest descriptive weight loss was observed in Paragon (33.71%), whereas the highest was recorded in SC SH722 (46.44%). The interaction between variety and storage duration had no significant effect on weight loss (p > 0.05). In contrast, their interaction significantly affected TSS (p < 0.05), indicating differences in TSS change patterns among varieties. HIBRIX 72 had the highest initial TSS (16.00 °Brix), which decreased to 5.00 °Brix on day 10, whereas Exsotic exhibited the lowest TSS at the end of storage (3.50 °Brix). In conclusion, storage at room temperature was associated with increased weight loss and decreased TSS. Therefore, both parameters should be considered simultaneously when evaluating the postharvest quality of sweet corn.
Heat Unit Accumulation, Heat Use Efficiency, Yield, and Sweetness of Sweet Corn (Zea mays saccharata Sturt L.) under Tropical Lowland Conditions Affan Prasetya; Dulbari Dulbari; Zulkarnain Zulkarnain
Biology, Medicine, & Natural Product Chemistry Vol 15, No 2 (2026)
Publisher : Sunan Kalijaga State Islamic University & Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14421/biomedich.2026.152.1917-1924

Abstract

Temperature is an important environmental factor influencing phenological development and productivity of sweet corn through heat unit accumulation. This study evaluated heat unit accumulation, heat use efficiency (HUE), yield components, and sweetness of seven commercial sweet corn cultivars grown under tropical lowland conditions during one growing season. The experiment was arranged in a randomized complete block design with seven cultivars and three replications. Heat unit accumulation was calculated using growing degree days (GDD) with a base temperature of 10°C. Phenological stages, plant height, cob yield components, total soluble solids (°Brix), and HUE were recorded. Significant differences among cultivars were observed in GDD required to reach vegetative emergence, tasseling, and silking, whereas GDD at the milk stage and HUE did not differ significantly. Exsotic F1 produced the highest cob weight with husk (354.88 g), cob weight without husk (264.16 g), cob length (20.37 cm), and cob diameter (60.27 mm), while Hibrix 72 F1 exhibited the highest total soluble solids (15.11 °Brix). Pcobson correlation analysis showed that HUE was positively associated with cob weight and cob size, whereas °Brix was negatively correlated with cob yield components. Principal component analysis separated cultivars according to phenological, yield, and quality traits. Under the environmental conditions of this study, commercial sweet corn cultivars differed in thermal requirements, yield characteristics, and sweetness, providing comparative information on cultivar performance under tropical lowland conditions.
Co-Authors Affan Prasetya Ahyuni, Destieka Ajeng Aulia Martina Ana Mifthahur Rohmah Antero, M Anung Wahyudi ardiansyah, sigit Arief Maksum Ariska Amalia Asa Alfina Fitriani Ashadi, Ibnu Buana, Arum Sekar Denny Sudrajat Denny Sudrajat Denny Sudrajat Denny Sudrajat Desi Maulida Dewi Ermaya Dey Elsa Ladya Wirasti Dwi Guntoro Dwitia, Yosi Edi Santosa Eko Sulistyono Eri Maulana Erie Maulana Erie Maulana Sy Evi Yunita Sari Evi Yunita Sari, Evi Yunita Fajar Rochman Fajar Rochman Gusti Ketut Harthane Gut Tianigut Herdhata Agusta Hery Sutrisno Hidayat Saputra Hidayat Saputra Hidayat Saputra, Hidayat Holil, Maskur I Gde Darmaputra Imani, Septiani Nurul Indrawan Indrawan Jaenudin Kartahadimadja Jaenudin Kartahadimaja Jaenudin Kartahadimaja Jaenudin Kartahadimaja Jaya, Moh. Haris Imron S. Joko Restuono Junita Barus Juwita Suri Maharani Kartahadimadja, Jaenudin LINA BUDIARTI Lina Budiarti Lina Budiarti, Lina Lisa Erfa Maharani, Juwita Suri Martina, Ajeng Aulia Marveldani Marveldani Marveldani Marveldani Marveldani Marveldani Miranda Ferwita Sari Miranda Ferwita Sari Moh Haris Imron S Jaya Muhamad Izhar Muhammad Kamal Muhammad Kamal Muhammad Kamal Mutaqin, Zainal Ni Siluh Putu Nuryanti Ni Siluh Putu Nuryanti Nurbani Kalsum Nyimas Sa’diyah Nyimas Sa’diyah Pebria Sisca Pitaloka, Triana Pratama, Miandri Sabli Priyadi Priyadi Priyadi Priyadi Pujiana, Tri Putra, Bobby Utomo Putri, Della Alvia Kusuma Raeli Dwi Marliyana Rahmadi, Rizky Ratna Dewi Rizky Rahmadi Rochman, Fajar Safrudin, Amad Sari, Miranda Ferwita Sari, Resti Puspa Kartika Sa’diyah, Nyimas Sepmiarti, Intan SEPTIANA SEPTIANA Silvani, Rafli Subarjo Subarjo Subarjo Subarjo subarjo, Subarjo Sulistyono, dan Eko Suparmin, Muhammad Miftahurohman Suryansyah Surahman Syahrul R, Syahrul Taisa, Rianida Taisa, Rianida Tianigut, Gut Utami, Alia Senja Widyani, Dimas Prakoso Widyastuti, R.A Diana Widyawati, Dewi Kania Yana Sukaryana Yohana Kathryn Siahaan Yonny Koesmaryono Yuriansyah Yuriansyah Yuriansyah Yuriansyah Yuriansyah Yuriansyah, Yuriansyah Zainal Mutaqin ZAINAL MUTAQIN Zaman, Sofyan Zarnelly Zarnelly Zulkarnain Zulkarnain Zulkarnain Zuriati, Zuriati