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Ariani Syahfitri Harahap
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Agriculture, Biological Sciences & Forestry

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Pengaruh Penggunaan POC Air Kelapa terhadap Pertumbuhan dan Hasil Tanaman Kacang Hijau (Vigna Radiata) pada Hidroponik Rakit Apung Raja Adil Bangun; Devi Andriani Luta; Ariani Syahfitri Harahap
Jurnal Riset Rumpun Ilmu Tanaman Vol. 4 No. 1 (2025): April : Jurnal Riset Rumpun Ilmu Tanaman
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurrit.v4i1.9063

Abstract

This research was conducted on Jalan Tampok, Tanjung Selamat Village, Sunggal District, Deli Serdang Regency, North Sumatra. A non-factorial Randomized Block Design  was used, consisting of only one factor, with five treatments and four replications: 0, 1, 2, 3, and 4 liters of coconut water fertilizer. The results showed that the use of coconut water fertilizer had no significant effect on plant height 1, 2, and 3 weeks after planting, and fruit weight per plot. However, it had a highly significant effect on plant height 4 and 5 weeks after planting, stem diameter, number of leaves, and root length.   In general, increasing the dosage of coconut water POC tends to result in a better growth response during the vegetative phase of the plant. This suggests that the natural hormones in coconut water can support plant cell division and elongation. However, plant response to treatment is still influenced by environmental factors and dosage, so not all parameters show a significant effect. Further research is needed to determine the optimal dosage that is more effective on production yields.
Identifikasi Serangga Hama Pascapanen Tanaman Padi (Oryza sativa) pada Gudang Tradisional di Desa Tandam Hilir Dua, Sumatera Utara Alek Dodi Anto Mertua Bancin; Ariani Syahfitri Harahap; Devi Andriani Luta
Jurnal Riset Rumpun Ilmu Tanaman Vol. 5 No. 1 (2026): April: JURRIT: Jurnal Riset Rumpun Ilmu Tanaman
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurrit.v5i1.10189

Abstract

Improper storage of grain and rice often trigger post-harvest pest infestations that reduce food quantity and quality. Many traditional farmers are not yet aware of this threat. This study aims to identify post-harvest insect pest species, estimate their populations, and determine effective traps in traditional rice and paddy warehouses. The research results are expected to serve as a basis for farmers in selecting appropriate control measures. The study was conducted from February to May 2026 in traditional storage facilities in Tandam Hilir Dua Village, Hamparan Perak District, Deli Serdang Regency, North Sumatra. Insect identification was performed at the Entomology Laboratory of the North Sumatra Animal, Fish, and Plant Quarantine Center (BBKHIT North Sumatra). Research methods included rice sampling, grain sampling, setting ultraviolet light traps and yellow sticky traps inside the storage facility. Eleven insect pests were found: Sitotroga cerealella, Rhyzopertha dominica, Cryptolestes ferrugineus, Cryptolestes pusillus, Sitophilus oryzae, Tribolium castaneum, Palorus ratzeburgii, Oryzaephilus surinamensis, Coelopalorus foveicollis, Alphitobius diaperinus dan Tenebroides mauritanicus. The population of Sitotroga cerealella (12,991 individuals) was higher than that of other stored product pest insects found in the storage, whereas the lowest populations were recorded for Alphitobius diaperinus and Tenebroides mauritanicus (1 individual each). Yellow sticky traps captured more stored product pest insects than ultraviolet light traps, rice sampling method, and grain sampling method.
Respon Kombinasi Jenis Biochar dan Pupuk Kotoran Kambing Diperkaya Limbah Tanaman Pangan terhadap Pertumbuhan dan Hasil Tanaman Jagung Manis (Zea Mays Saccharata Sturt) Dian Setiawan; Suryani Sajar; Ariani Syahfitri Harahap
Jurnal Riset Rumpun Ilmu Tanaman Vol. 5 No. 1 (2026): April: JURRIT: Jurnal Riset Rumpun Ilmu Tanaman
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurrit.v5i1.10245

Abstract

This research is based on the decline in corn production due to decreased soil fertility, so that improvement efforts are needed through the use of organic materials such as biochar and goat manure enriched with food crop waste. This study aims to increase the growth and yield of sweet corn plants through the provision of biochar and goat manure enriched with food crop waste. This research was conducted in the experimental field of Panca Budi Development University, Medan. In Hamlet 3, Sampe Cita Village, Kutalimbaru District, Deli Serdang Regency, North Sumatra Province. with a factorial Randomized Block Design (RAK) consisting of 2 treatment factors. The first factor is the biochar dose consisting of 4 treatments, namely (B0) without biochar 0kg/plant (B1) cassava stem biochar dose of 15 tons/ha (1.5kg/plot) (B2) cassava peel dose of 15 tons/ha (1.5kg/plot) and (B3) oil palm fronds dose of 15 tons/ha (1.5kg/plot). The second factor, namely, goat manure fertilizer enriched with food crop waste consists of 4 treatments, namely without fertilizer (K0) 0kg/plant (K1) dose of 10 tons/ha (1kg/plot) (K2) dose of 15 tons/ha (1.5kg/plot) (K3 dose of 20 tons/ha (1kg/plot) Each treatment was repeated 3 times. The results of this study showed that the provision of various bochars had no significant effect on plant height, cob length but had a significant effect on cob weight with husk, cob weight without husk and had a very significant effect on stem diameter and cob diameter. While the results of the provision of goat manure compost had no significant effect on plant height, cob length, cob diameter but had a significant effect on stem diameter, cob weight with husk and cob weight without husk.
Potensi Pertumbuhan dan Hasil Beberapa Varietas Kacang Kedelai (Glycine max L. Merril ) akibat Pemberian POC Urin Kambing Dana Satrya; Devi Andriani Luta; Ariani Syahfitri Harahap
Jurnal Riset Rumpun Ilmu Tanaman Vol. 5 No. 1 (2026): April: JURRIT: Jurnal Riset Rumpun Ilmu Tanaman
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurrit.v5i1.10246

Abstract

This study aimed to analyze the effect of the interaction between soybean varieties and the dosage of goat urine liquid organic fertilizer (POC) on the growth and yield of several soybean varieties (Glycine max (L.) Merrill). The research was conducted at the experimental field of Universitas Pembangunan Panca Budi Medan, Sampe Cita Village, Kutalimbaru Subdistrict, Deli Serdang Regency, North Sumatra Province. The method used was a Factorial Randomized Complete Block Design (RCBD), consisting of two factors with three replications. The first factor was soybean variety, namely Dering 1, Devon 1, and Dega 1, while the second factor was the dosage of goat urine POC, namely 0 ml, 400 ml, and 800 ml. The observed data were further tested using Duncan's Multiple Range Test (DMRT) at the 5% level. The results showed that the combination of Devon 1 variety with a POC dosage of 400 ml (K1) produced more consistent and uniform growth compared to Dering 1 and Dega 1 varieties. This superiority was evident in parameters such as plant height, number of productive branches, flowering age, number of pods per sample, dry seed weight per sample, dry seed weight per plot, and root length. The selection of Devon 1 variety combined with a 400 ml POC dosage can be recommended as an effective cultivation strategy to optimize soybean growth and yield while improving soil fertility.
Uji Pemberian Asam Humat terhadap Pertumbuhan Vegetatif Beberapa Varietas Tanaman Padi Cinta Marsyabilla; Devi Andriani Luta; Ariani Syahfitri Harahap
Jurnal Riset Rumpun Ilmu Tanaman Vol. 5 No. 1 (2026): April: JURRIT: Jurnal Riset Rumpun Ilmu Tanaman
Publisher : Lembaga Pengembangan Kinerja Dosen

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jurrit.v5i1.10247

Abstract

Rice (Oryza sativa L.) is a major staple crop in Indonesia, but its production has declined, requiring efforts to improve plant growth. This study aimed to determine the effect of humic acid application and varietal differences on the vegetative growth of rice. The experiment was arranged in a factorial Randomized Complete Block Design with two factors: humic acid doses (0, 30, and 60 g/plot) and rice varieties (Inpari 32, Inpari 16 Pasundan, and IR64), with three replications. Observed parameters included plant height, number of tillers, fresh and dry weight of shoots, and roots. Data were analyzed using analysis of variance followed by Duncan’s Multiple Range Test at a 5% significance level. The results showed that humic acid sign ificantly affected all growth parameters, with the best result at 60 g/plot. Varietal differences affected only some parameters, while the interaction was not significant. Humic acid improved plant growth by enhancing soil properties and nutrient availability.
Co-Authors Alek Dodi Anto Mertua Bancin Cinta Marsyabilla Dana Satrya Devi Andriani Luta Dian Setiawan Raja Adil Bangun Suryani Sajar