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Santoso, Juli
Universitas Pembangunan Nasional “Veteran” Jawa Timur
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The Effect of Bio-Fertilizer Concentration and NPK Fertilizer Dosage on the Growth and Yield of Melon (Cucumis melo L.) Merlin Variety Alfani Ahsanul Ilmi; Juli Santoso; Sutini Sutini
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 2 (2025): April 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtep-l.v14i2.638-644

Abstract

Melon (Cucumis melo L.) is a fruit known for its sweet and refreshing taste. Traditionally, melon cultivation has relied on conventional farming methods. The use of biofertilizers offers an alternative to reduce dependency on synthetic fertilizers. This study aimed to enhance the production of healthy, high-yielding melon plants by substituting Mutiara NPK fertilizer with Bioto Grow Gold (BGG) biofertilizer. Conducted in Sukosongo Village, Kembangbau District, Lamongan Regency, East Java, the experiment employed a factorial Completely Randomized Design (CRD).Two factors were tested: BGG fertilizer at four concentrations (0 ml/L [P0], 1 ml/L [P1], 2 ml/L [P2], and 4 ml/L [P3]) and NPK fertilizer at four doses (0 g/plant [N0], 60 g/plant [N1], 70 g/plant [N2], and 80 g/plant [N3]). Results indicated that BGG fertilizer influenced both vegetative and generative growth variables, as did the Mutiara NPK fertilizer doses. The optimal combination was achieved with a BGG concentration of 3 ml/L and an NPK dose of 70 g/plant, which significantly increased the sucrose content in melons. Keywords: Bioto Grow Gold fertilizer, Biofertilizer, Melon, NPK Mutiara fertilizer.
Physical and Physiological Quality of Rice Seeds of Inpari 32 Variety Under Different Harvest Ages, Packaging Types, and Storage Durations Arif Fathoni; Ramdan Hidayat; Juli Santoso
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 14 No. 5 (2025): October 2025
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtepl.v14i5.1869-1881

Abstract

This study aimed to determine the optimal harvest time and packaging type to preserve the quality of Inpari 32 rice seeds during storage. Conducted at the Food and Horticultural Plant Seed Supervision and Certification Unit in East Java from November 2023 to April 2024, the research used a factorial experiment in a completely randomized design (CRD) with three replications. Harvest age treatments were 110, 120, 130, and 140 days after seedling (DAS), while packaging types included plastic sacks, polyethylene (PE) sacks, polypropylene (PP) sacks, and aluminium foil. Data were analyzed using ANOVA and Duncan's Multiple Range Test (DMRT) at a 5% significance level. Results showed that harvesting at 120 DAS with PP sacks yielded the highest starch content, while 140 DAS with aluminium foil resulted in the lowest reducing sugar content. Optimal germination and growth speed were achieved at 130 DAS, which also minimized electrical conductivity. Harvesting at 140 DAS produced the highest 1000-grain weight. Aluminium foil packaging maintained the lowest moisture content and significantly improved germination and growth speed compared to other packaging types. These findings suggest that optimizing harvest age and packaging type can significantly improve seed viability and storage performance.
The Effect of NPK and Guano Fertilizer on the Growth and Yield of Bogor Peanut Plants (Vigna subterranea (L.) Verdc.) Vanessa Gabrielle Liemendy; Widiwurjani Widiwurjani; Juli Santoso
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 15 No. 2 (2026): April 2026
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtepl.v15i2.702-709

Abstract

This study aimedto evaluate the effects of combined NPK fertilizer and guano application on the growth and yield of Bambara groundnut (Vigna subterranea (L.) Verdc.). The experiment employed a factorial randomized block design with two factors: NPK fertilizer dosage (25%, 50%, 75%, and 100% of recommended rates) and guano dosage (5, 10, and 15 tons/ha). Observed parameters included plant height, leaf count, number of flowers, number of pegs, and fresh/dry pod weight per plant. Results demonstrated that the combination of 25% NPK and 15 tons/ha guano significantly improved plant height (43.29 cm), flower count (47.33), and fresh pod weight (81.73 g/plant). Guano alone also exhibited a substantial effect on both vegetative and generative growth, with the highest results observed at 15 tons/ha. The combination of low NPK and high guano dosages enhances Bambara groundnut productivity sustainably.
Daya Gabung Galur Jagung pada Cekaman Nitrogen Rendah Aulianta, Ladikta Hubah; Santoso, Juli; Makhziah, Makhziah; Mejaya, I Made Jana
Agrotechnology Research Journal Vol 6, No 1 (2022): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (254.855 KB) | DOI: 10.20961/agrotechresj.v6i1.56028

Abstract

Reduction of nitrogen in the soil is a problem in corn cultivation that can cause decrease production. The efforts to prevent this problem is to assemble superior maize that is low nitrogen resistance and high production by crossing different corn elders. This study was to analyse the combining ability of five lines (G1, G2, G3, G4 and G5) under normal and low nitrogen conditions used a half diallel cross design using the Griffing’s model I method formula to analyse 10 genotypes. The research design used a split plot design (SPD) with 3 replications, the research location was in the experimental garden of Center for Agricultural Research and Technology in Kebondalem, Mojosari, Mojokerto East Java. The value of the general combining ability (GCA) of the G3 elders significantly affected the weight parameters of the cobs under low nitrogen conditions. The results of the specific combining ability (DGK) on the G7 and G8 crosses had high SCA values on the yield character and weight of 100 seeds under normal conditions and nitrogen stress. Genotype G6 has a high SCA value for cob weight characters.
Morfologi dan Anatomi Bibit Alpukat Sambungan pada Stadia tumbuh Entres dan Metode Sambung Pucuk Da Costa, Antonia Jessica Sherlyn; Hidayat, Ramdan; Santoso, Juli
Agrotechnology Research Journal Vol 6, No 2 (2022): Agrotechnology Research Journal
Publisher : Perkumpulan Agroteknologi/Agroekoteknologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (412.969 KB) | DOI: 10.20961/agrotechresj.v6i2.66462

Abstract

Avocado is a fruit crop that is commercial and potential to be widely cultivated. Market demand for avocado was increased so production of avocado seed must increase too by grafting. The problem of grafting is often found in the connection between scion and rootstock that showed like elephant foot phenomenon, so it was necessary to study the linkage process between scion and rootstock. This research leads up to an increased percentage of finished graft seedlings that were ready for planting in the field. This method used a factorial experiment consisting of 2 factors. The first factor was the stages of entres (flushing, endodormancy, and ecodormancy), and the second factor was the grafting method (cleft graft, wedge graft, and splice graft). The research design used Complete Randomized Design with 4 replications and ANOVA with BNJ 5% test. The results showed all observations parameters interacted. Stage ecodormancy in splice graft resulted of vascular tissue (xylem and phloem) between scion and rootstock recovered better than other combination treatments by producing the best-grafted avocado seedlings growth with an increased percentage of grafted seedling by 42.50%, an interval of flushing by 4.91 days, and increased frequency of flushing by 1.83 times compared to stage flushing in cleft graft.
The Effect of Biosaka Elicitor Types and Concentrations on the Growth and Yield of Chili Pepper (Capsicum frutescens L.) Andrian Tri Susanto; Makhziah Makhziah; Juli Santoso
Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) Vol. 15 No. 3 (2026): June 2026
Publisher : The University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jtepl.v15i3.1195-1207

Abstract

Chili pepper (Capsicum frutescens L.) is an important horticultural crop that requires sufficient production to meet increasing market demand. This study aimed to evaluate the effects of Biosaka elicitor composition and concentration on the growth and yield of chili pepper. The experiment was arranged in a two-factor factorial Randomized Complete Block Design (RCBD) with three replications. The first factor was Biosaka composition (J), consisting of five formulations: J1 = babandotan, J2 = J1 + pukul empat, J3 = J2 + patikan kebo, J4 = J3 + meniran, and J5 = all biosaka materials. The second factor was Biosaka concentration (K), consisting of three concentration levels: K1 = 1.5 mL/L, K2 = 2.5 mL/L, and K3 = 3.5 mL/L. The results showed that Biosaka composition significantly affected plant height at 21–63 DAT, stem diameter at 28–63 DAT, leaf number at 21–63 DAT, fruit number per plant at the fifth harvest, and fruit weight per plant at the first and fifth harvests. Biosaka concentration significantly affected plant height at 21 DAT and 42–56 DAT, leaf number at 49 and 56 DAT, and fruit number (total fruit number and fruit number per plant) at the first, fourth, and fifth harvests. Overall, the J5 formulation and the concentration of 2.5 mL/L tended to produce the most favorable growth responses in chili pepper plants.
KERAGAMAN BAWANG MERAH (Allium ascalonikum L.) VARIETAS BAUJI GENERASI KEDUA (M2) UNTUK MENDAPATKAN GENOTIPE BARU HASIL IRADIASI SINAR 60CO Velda Tania; Juli Santoso; Ida Retno Moeljani
Jurnal AGROHITA: Jurnal Agroteknologi Fakultas Pertanian Universitas Muhammadiyah Tapanuli Selatan Vol 7, No 2 (2022): JURNAL AGROHITA
Publisher : Fakultas Pertanian Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/jap.v7i2.6161

Abstract

Bawang merah ( Allium ascalonikum L.) ialah komoditas hortikultura yang mempunyai nilai ekonomi yang besar di Indonesia. Produksi bawang merah di Indonesia dalam kurun waktu 6 tahun terakhir menunjukan kenaikan. Produksiibawang merah hadapi kenaikan 4,43% di tahun 2017, kenaikan produksi bawang merah diperkirakan meningkat sampai tahun 2020. Hasil yang dicoba tahun 2016-2020, produksii bawang merah hendak dihadapi kenaikan sampai menggapai 1, 35 juta ton pada tahun 2020 dengan rata- rata perkembangan 1, 89% per tahun( BPS, 2019). Bawang merah varietas bauji ialah varietas bawang yang dilepas oleh BBTP dengan nomer SK: Nomor 65/ Ktps/ TP. 240/ 2/ 2000, pada 25 februari 2000. Bauji ialah varietas bawang merah yang banyak dibudidayakan umbinya, perbanyakan vegetatif pada tumbuhan mewariskan sifat yang kurang baik serta baik induknya, biaya pembibitan lumayan mahal, serta usia berbunga bawang merah varietas bauji ialah 45 hst. Tujuan dari riset,mengenali pengaruh iradiasi cahaya gamma generasi M2 terhadap sebagian kepribadian agronomi bawang merah (Allium ascalonikum L.) varietas bauji. Riset dilaksanakan bulan Maret 2020 hingga Mei 2020. Penyinaran sinar gamma dilangsungkan di Laboratorium PAIR BATAN, Pasar Jumat, Jakarta. Percobaan di Kebun Petani Ketindan, Kecamatan Lawang, Kabupaten Malang, Jawa Timur. Rancangan yang digunakan metode single plant. Metode pemuliaan mutasi yang dicoba memakai cahaya gamma 60CO dicoba dengan memastikan dosis radiasi yang cocok dengan tumbuhan, sebab tiap tumbuhan mempunyai reaksi terhadap paparan radiasi yang berbeda- beda.   
RESPON LIMA VARIETAS TANAMAN TERUNG UNGU (Solanum melongena L.) AKIBAT CEKAMAN KEKERINGAN PADA FASE GENERATIF Ardianti Pramesti Istiqomah; Juli Santoso Pikir; Widi Wurjani
Jurnal AGROHITA: Jurnal Agroteknologi Fakultas Pertanian Universitas Muhammadiyah Tapanuli Selatan Vol 7, No 2 (2022): JURNAL AGROHITA
Publisher : Fakultas Pertanian Universitas Muhammadiyah Tapanuli Selatan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31604/jap.v7i2.6266

Abstract

Terung (Solanum melongena L.) ialah tanaman sayuran kaya akan nutrisi yang menyehatkan. Bertambahnya kesejahteraan warga untuk hidup sehat berdampak pada kenaikan konsumsi sayuran salah satunya adalah terung oleh sebab itu, produksi tanaman terung di Indonesia perlu ditingkatkan. Kekeringan ialah faktor lingkungan yang berpengaruh besar kepada penurunan produksi terung. Pemilihan varietas unggul menjadi komponen penting untuk menciptakan produktivitas tinggi. Penelitian ini bertujuan menganalisis respon ke lima varietas terung ungu akibat cekaman kekeringan sehingga didapatkan varietas terung ungu yang tahan kepada cekaman kekeringan. Penelitian ini disusun secara faktorial menggunakan Rancangan Acak Lengkap (RAL) yang diulang sebanyak 3 kali. Faktor pertama ialah perlakuan cekaman kekeringan dengan 2 taraf yakni tidak diberi perlakuan cekaman atau kontrol dan diberi perlakuan cekaman, faktor kedua ialah macam varietas dengan 5 taraf yaitu Antaboga-1, Lezata F1, Mustang F1, Ratih Ungu, serta Panjalu F1. Varietas Antaboga (V1) mempunyai hasil yang lebih baik dibandingkan dengan keempat varietas terung ungu lainnya dan perlakuan cekaman kekeringan (C1) mampu menurunkan hasil produksi dibandingkan dengan perlakuan kontrol (C0). 
Synergistic Organic Wick and Nutrient Levels on The Morphological Performance of Pakcoy (Brassica rapa L.) in Hydroponic Axis System Shinta Hanif Nur Edditya; Nova Triani; Juli Santoso
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 11, No 3: Jurnal Pembelajaran Dan Biologi Nukleus September 2025
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v11i3.7794

Abstract

Background: Pakcoy (Brassica rapa) production in Indonesia continues to rise, reaching 635,982 tons in 2018 and 652,723 tons in 2019. Improper irrigation often causes wilting and root rot. The wick hydroponic system offers a viable alternative but is suitable mainly for crops requiring limited water. Inorganic fertilizers enhance growth and yield, their long-term use poses environmental and human health risks. Organic fertilizers provide a sustainable solution without leaving harmful residues. Optimizing pakcoy cultivation in hydroponic systems requires selecting an appropriate wick material and the optimal concentration of organic fertilizer to achieve sustainable productivity. Methodology: This research was conducted with factorial experiment using a 2-factor completely randomized design, the first factor is the fertilizer concentration treatment consisting of 4 types (N0: AB Mix 3 ml/L-control, N1: LOF 6 ml/L, N2: LOF 9 ml/L, N3: LOF 12 ml/L) and the second factor is the type of wick treatment consisting of 4 types (S0: Flannel cloth wick-control, S1: Coconut fiber wick, S2: Bamboo fiber wick, S3: Banana stem wick). If the results obtained have significant, then continue the 5% DMRT test. Findings: The combined treatment of AB Mix at 3 ml/L and a coconut fiber wick exerted a significant influence on plant height between 15 and 25 DAP (13.37 cm), as well as on several yield parameters at 30 DAP, including crown fresh weight (17.97 g), root fresh weight (3.60 g), total fresh weight (21.57 g), and weight loss (0.24 g). The coconut fiber organic wick independently produced significant effects across all observed parameters, except for the number of leaves recorded at 5 DAP. Overall, the interaction between AB Mix at 3 ml/L and the coconut fiber wick demonstrated effective in enhancing the performance of pakcoy (B. rapa L.) compared with other treatment combinations. Contribution: This study provides valuable insights into optimizing the combination of fertilizer concentration and organic wick type in wick hydroponic systems to enhance the sustainable performance growth of pakcoy while promoting the utilization of environmentally friendly local materials
Co-Authors Agus Sulistiyono Agus Sulistyono Ahmad Faris Al Mubarok Aisyah Nurvipta Anggeliana Setiyanti Akbar, Achmad K Faisal Alfani Ahsanul Ilmi Andrian Tri Susanto ANTONIA JESSICA SHERLYN DA COSTA Ardianti Pramesti Istiqomah Arif Fathoni Aulianta, Ladikta Hubah Auliya, Shinta Nanda Ayu Silviana Bambang Prijanto Bob Khafie Da Costa, Antonia Jessica Sherlyn Dewanti, Felicitas Deru Dido Ari Widodo Djarwatiningsih Pongki Soedjarwo Ersa Putri Sanjaya Evyn Rusdy Prasetiyo Efendi Fahmi, Herril Firdaus, Muhammad Bagus Guniart Guniart Guniarti Guniarti Hadi Suhardjono Hartono, Aldira Safira Hidayat , Ramdan Hisam, Mohamad Hisam Fachrudin I Made Jana Mejaya Ida Retno Ida Retno Moeljani Ida Retno Moeljani Ida Retno Moeljani Imanda Setyawan Indriani Prasetyaningsih Ardie Irfan Satria Anpama Irfan Satria Anpama Iswahyudi Jourdan Alexander Niagara Kiki Dita Ayu Ninda Sari Kiki Dita Ayu Ninda Sari Makhziah Mejaya, I Made Jana Moch. Arifin Moh Yasin MUHAMMAD RIZKY ROMADHON Mukarromah, Wahdaniatul Mulianti, Salsabila Nirmala Aulia Sari Nora Augustien Kusumaningrum Nora Augustien Kusumaningrum Nora Augustien Kusumaningrum Nova Triani Novida Dwici Yuanri Manik Novita Dyah Safitri Nurhiza Purnama Wulandari OKKY TALITHA Pangesti Nugrahani Parsudi, Setyo Prismaya Andarema Priyadarshini, Rossyda Puspitasari, Adelia Eka Rahmawati, Irene Ramdan Hidayat RAMDAN HIDAYAT Renaldi Dicklies Purwanto Rika Rismayang S, Sukartiningrum Saefurrohman Shinta Hanif Nur Edditya Soedjarwo, Djarwatiningsih Pongki Sukartiningrum S Sukendah Sutini Sutrisno, Sutrisno Sylvia Hasna Salsabila Tan, Juan Ananta TILMIIDZAH SALMA FATHIN Vanessa Gabrielle Liemendy Velda Tania Velda Tania Vergiliano Haumen Colo Wahyu Aditiya Pratama Wahyu Mahendra Wattimury, Agricia Widiwurjani Widjaja Sugiri Yonny Koentjoro