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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Biosfer: Jurnal Tadris Biologi AGRIVITA, Journal of Agricultural Science Jurnal Agro Jurnal Penelitian Pertanian Terapan Agrin : Jurnal Penelitian Pertanian Jurnal Agrotek Tropika Jurnal Abdi Insani Jurnal Agrotropika Fruitset Sains : Jurnal Pertanian Agroteknologi Jurnal Natural Jurnal Pengabdian Fakultas Pertanian Universitas Lampung
, Agustiansyah
Jurusan Agroteknologi, Fakultas Pertanian Universitas Lampung
Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Neuroscience Physics Social Sciences Other

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Journal : Jurnal Agrotropika

 1 
PENGARUH DOSIS PUPUK NITROGEN, FOSFOR, DAN KALIUM TERHADAP PRODUKSI BENIH PADI VARIETAS MAYANG PADA TIGA LOKASI DI LAMPUNG UTARA Ridwansyah, Budi; Basoeki, Tjipto R.; Timotiwu, Paul B.; Agustiansyah, Agustiansyah
JURNAL AGROTROPIKA Vol 15, No 2 (2010): Agrotropika Vol.15 No.2 2010
Publisher : JURNAL AGROTROPIKA

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Abstract

Fertilizer is one of the ways to improve cultural techniques for producing high quality of seed with high early vigor. The objectitive of N, P,and K nutrient in balanced quantity can improve productivity and quality of seed rice. His research was to know response of three doses of N, P, and K on growth, production, and quality of seed rice of Mayang variety on three locations on North Lampung, and see interaction of both factors. Treatment arrangement was factorial by randomized complete block design with three replications. Sub factor is fertilizer (P); there are low fertilizer dose (P1) is farmer fertilizer dose consist 200 kg/ha urea and 50 kg NPK/ha; middle fertilizer dose (P2) is recommended government dose consist 250 kg/ha urea, 100 kg Sp 18/ha, and 100 kg/ha KCl; and high dose (P3) is recommended dose for seed production consist 300 kg/ha urea, 150 kg/ha SP 18, and 150 kg/ha KCl. Mains factor is location, there are Ciamis-Sungkai Utara, Wonomarto-Kotabumi Utara, and Semuli Jaya-Abung Semuli. Homogenity of varian each treatment analyzed by Bartlett test and to see eaded model by Tukey test. If all assumption are completely, data will be continue analyzed with BNJ test at level 5%. Result of research showed that high dose fertilizer is can give growth and seed production better than low dose fertilizer, but nonsignificant with middle dose. The best location for seed production is Semuli and than Wonomarto, and Ciamis in the last position, but nothing interaction between different of dose and location.Key words: rice, Mayang viability, fertilizer
PENGARUH PENYIMPANAN SAMPAI ENAM BULAN MENGGUNAKAN BUBUK DAN TANPA BUBUK LADA TERHADAP MUTU LIMABELAS LOT BENIH KEDELAI (GLYCINE MAX L.) Kurniati, Ayu; Agustiansyah, Agustiansyah; Nurmiaty, Yayuk; Ermawati, Ermawati
JURNAL AGROTROPIKA Vol 19, No 1 (2020): Jurnal Agrotropika Vol 19 No 1, Mei 2020
Publisher : JURNAL AGROTROPIKA

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Abstract

This study aims to determine the best seed quality from fifteen lots of soybean seeds that are stored for up to six months using pepper powder and without using pepper powder. The treatment was applied in a Completely Randomized Design (CRD) which was repeated three times. The combination of treatments derived from three varieties, namely Anjasmoro, Gerobogan, and Burangrang combined with 5 SP-36 fertilizer doses, namely 0, 100, 150, 200, and 250 kg / ha. The experiment consisted of two experiments. Experiment 1, the fifteen lots of seeds were stored without pepper powder. Experiment 2, the fifteen lots of seeds were ground with pepper in their storage. Storage at room temperature ranges from 28-30oC in the Seed and Plant Breeding Laboratory, Faculty of Agriculture, University of Lampung in October 2017 to April 2018 The results showed that the combination treatment of Burangrang varieties with SP-36 250 kg / ha fertilizer stored without pepper powder or pepper powder was able to maintain its higher quality compared to other treatment combinations after being stored for up to six months Key words: Fertilizer, pepper powder, soybean, storage, variety
PENGARUH PERLAKUAN BENIH DENGAN AGENS HAYATI TERHADAP PERTUMBUHAN, HASIL PADI, DAN PENGENDALIAN PENYAKIT HAWAR DAUN BAKTERI DI RUMAH KACA Agustiansyah, Agustiansyah; Ilyas, Satriyas; Sudarsono, Sudarsono; Machmud, Muhammad
JURNAL AGROTROPIKA Vol 16, No 2 (2011): Agrotropika Vol.16 No.2 2011
Publisher : JURNAL AGROTROPIKA

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Abstract

The objective of this research was to study the influence of biological seed treatment on plant growth, yield of rice, and controlling of bacterial leaf blight. The research was conducted at green house of Indonesian Center for Agricultural Biotechnology and Genetic Resources Development, Bogor and Seed Science and Technology Laboratory, Department of Agronomy IPB from August 2009 to Febru-ary 2010. The result showed that biological seed treatment of Pseudomonas spp. and Bacillus spp. (with and without matriconditioning) could increase plant growth of rice in terms of on plant height, number of seedling, root length, root fresh weight, root dry weight, shoot fresh weight, and shoot dry weight. Seed treatments of matriconditioning + P.aeruginosa, matriconditioning + B.subtillis5/B, and Bacillus subtillis 11/C were the best seed treatments in increasing yield of rice as indicated by the highest number of filled grains/panicle, percentage of filled grain/panicle, percentage of filled grain/plant, and the lowest number of unfilled grain/panicle, percentage of unfilled grain/panicle, and percentage unfilled grain/plant. Seed treatments of Pseudomonas diminuta, matriconditioning + Pseudomonas diminuta and matriconditioning + Bacillus subtilis 11/C were significantly resulted in lower percentage of pathogen diseased leaf area (%DLA) than others seed treatment. Percentages of pathogen diseased leaf area were 15.45%, 15.94% and 19.55%. Key words: Bacillus spp Biological seed treatment, matriconditioning, Pseudomonas spp.
FENOLOGI DAN PERTUMBUHAN TANAMAN STRAWBERRY DI DATARAN RENDAH SEBAGAI KAJIAN AWAL DAMPAK PERUBAHAN IKLIM TERHADAP PERTUMBUHAN DAN PRODUKSI TANAMAN Timotiwu, Paul B; Manik, Tumiar Katarina; Agustiansyah, Agustiansyah; Pramono, Eko
JURNAL AGROTROPIKA Vol 20, No 1 (2021): Jurnal Agrotropika Vol 20 No 1, Mei 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v20i1.4596

Abstract

Climate change has been understood from air temperature that constantly rising.  Therefore, to study the impact of climate change on crops growth and production should begin with study the impact of air temperature on crops, so that the technique of making crops adapt to the climate change could be developed.  Crops reaction on temperature change could be detected from the phenology and quantified with the Growing degree days (GDD). The objective of this research was to identify the impact of temperature change on strawberry phenology and production through cultivating on low land area and calculating the GDD at the end of the planting period.  The results showed that Strawberry on low land experienced some difficulties to grow in optimal rate; up to the 10th week plant still did not reach the generative state uniformly and canopy coverage was below 20 percent.
Pengaruh Bahan Pelleting terhadap Perkecambahan Benih Bawang Merah (Allium cepa L.) Rajagukguk, Sion G.; Agustiansyah, Agustiansyah; Manik, Tumiar K.; Ginting, Yohannes Cahya
JURNAL AGROTROPIKA Vol. 22 No. 1 (2023): Jurnal Agrotropika Vol 22 No 1, Mei 2023
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v22i1.7105

Abstract

Shallot is an important commodity, but their productivity in Indonesia is still low. TSS can be used because of its higher production, longer shelf life, more resistance to disease pathogens, cheaper procurement and distribution costs, guaranteed seed quality, and high productivity potential, but has a small shape so it is difficult to plant so seed coating technology is needed. Seed pellets are coatings of seeds to change the shape, size and weight of seeds. This study aims to determine the effect of pelleting techniques on shallot seeds. This research was conducted with one treatment factor, namely without pelleting, soil + CMC, soil + CMC + Mycorrhizae, soil + CMC + Trichoderma, soil + CMC + Dolomite, soil + CMC + humic acid, soil + AG, soil + AG+ Mycorrhizae, soil +AG+Trichoderma, soil+AG+Dolomite, soil+AG+Humic acid. Each treatment was carried out with 3 replications so that 33 experimental units were obtained, with one experimental unit in the form of a planting media tray with 25 seeds each. The results of the study explained that the pelleting technique had no effect on germination, root length, coleoptile length, wet safe weight, dry safe weight, seed weight and had a significant effect on the emergence of plumules with the best treatment obtained in the soil. CMC + humic acid and seed pellet weight. stated that seed pellets can change the weight, size and shape of seeds so as to facilitate planting. The conclusion of this study is that shallot seed pelleting can be applied to shallot cultivation because it does not inhibit the growth and development of shallots and can facilitate the planting of shallot seeds. Key words:  Shallot, seed, pelleting, TSS
Efektivitas Priming pada Benih Jagung dalam Memperbaiki Perkecambahan pada Media Masam Agustin, Noly; Agustiansyah, Agustiansyah; Timotiwu, Paul Benyamin; Kamal, Muhammad
JURNAL AGROTROPIKA Vol. 22 No. 2 (2023): Jurnal Agrotropika Vol 22 No 2, Oktober 2023
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v22i2.7699

Abstract

The high Aluminum content in Ultisol soil is one of the main problems in maize cultivation starting from the germination phase to plant growth. Priming treatment on seeds is believed to be able to improve germination in a less favorable environment. The study was conducted to determine the effect of priming on the germination of corn seeds germinated in acid media containing aluminum. The study was arranged in a Completely Randomized Design (CRD) which was repeated four times. There were 8 treatments in this study, namely control/without priming, water priming, KNO3 0.1%, and 0.5, PEG-6000 5% and 10%, GA3 50 ppm and 100 ppm. The data were analyzed for variance and continued with a 5% LSD test using the R Studio statistic program. The results showed that 50 ppm GA3 priming was the best treatment for increasing corn seed vigor based on the variables of time of radicle emergence, time of emergence of plumules, growth speed, growth synchronously, vigor index, root length, coleoptile length, wet weight of normal sprouts, and dry weight of normal sprouts. Keywords:priming, corn, germination
EVALUASI MUTU FISIOLOGIS TERHADAP LIMA VARIETAS BENIH KEDELAI (Glycine max [ L.] merr) PADA PENYIMPANAN SUHU RUANG YANG BERBEDA AKIBAT ANOMALI CUACA EL NINO 2023 Fitria, Eliza; Agustiansyah, Agustiansyah; Timotiwu, Paul Benyamin; Hidayat, Kuswanta Futas; Purnomo, Purnomo
JURNAL AGROTROPIKA Vol. 24 No. 2 (2025): Jurnal Agrotropika Vol 24 No 2, Oktober 2025
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v24i2.11445

Abstract

Global climate change such as El Nino has serious impacts on the agricultural sector, especially soybean production which is very sensitive to water shortages. The government is responding by developing superior soybean varieties that are drought-resistant, such as Kemuning 1, Demas 1, and other varieties that have qualities equivalent to imported soybeans. A significant issue in soybean cultivation within tropical regions is the reduction in seed quality during storage, which is related to the high fat content present in orthodox seeds. Therefore, maintaining the physiological condition of the seeds until planting season requires controlling seed storage at optimal temperature and humidity levels. The results demonstrate that both cultivar and temperature affect the physiological quality of soybean seeds. The Grobogan and Dega 1 varieties produce better physiological quality compared to Deja 2, Dena 1, and Detap 1. Storing seeds at cold temperatures is more effective in maintaining seed viability and quality stability. Key words: Seed, soybean, seed storage, physiological quality  
Co-Authors Agus Karyanto Ahmad Syaifudin Aisyah, Wulan Nur Amelia, Desi Rizki Ardian Ardian Basoeki, Tjipto R. Desi Maulida Dewi, Erni Permata DWI HAPSORO Dwi Rahayu Eko Pramono Eliza Fitria Ermawati Ermawati Esa Ghanim Fadhallah Farida Hanum Ginting, Yohannes Cahya Hadi, M Syamsoel Hadi, Muhammad Syamsoel Hamiranti, Rahmadyah Hidayat, Rahma Nurhasna Safetya Immas Nurisma, Immas Kresna Kresna, Kresna Kukuh Setiawan Kurniati, Ayu Kuswanta Futas Hidayat Maharani, Devi Manik, Tumiar K. Meranda, Dea Muhammad Kamal Muhammad Kholiqul Amiin Muhammad Machmud Niar Nurmauli, Niar Noly Agustin Nugroho, Rizki Bagus Nurhidayati, Monik Paul Benyamin Timotiwu Pramudya, Galuh M Prayogi, Adi Noor Purnomo Purnomo Qudus Sabha Adhinugraha Rahmando, Revo Aulia Rajagukguk, Sion G. Ridwansyah, Budi Rugayah Rugayah Sakti, Alfiana Revo Sanjaya, Purba Satriya, Aji SATRIYAS ILYAS Satriyas Ilyas Setiawan, Wawan A Setyo Dwi Utomo Sudarsono Sungkono Sungkono Surtono, Arif Talaumbanua, Mareli Tumiar Katarina Manik Winanti, Diki Danar Tri Yayuk Nurmiaty Yeli, Fitri Yohanes Cahya Ginting, Yohanes Cahya YUSNITA YUSNITA Yusup, Maulid Wahid