Master Theses
Master Theses
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Now showing items 41-60 of 427
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Eksplorasi dan Uji Potensi Agensia Hayati Dark Septate Endophyte terhadap Busuk Pangkal Batang (Ganoderma boninense Pat.) Kelapa Sawit (Elaeis guineensis Jacq.)
(Universitas Sumatera Utara, 2023)Basal stem rot caused by Ganoderma boninense is the most destructive disease in oil palm plantations in Indonesia. Biological control with microbes as biological control agents has been carried out. One of them is using ... -
Peran Bakteri Bacillus subtilis terhadap Pertumbuhan dan Produksi Dua Varietas Bawang Merah (Allium ascalonicum L.) Asal True Shallot Seed
(Universitas Sumatera Utara, 2023)Increasing shallot production from True Shallot Seed (TSS) can be done using Bacillus subtilis bacteria.This research aims to determine the role of Bacillus subtilis bacteria on the growth and production of two varieties ... -
Penapisan Jamur Agens Pengendali Potensial pada Rhizosfer Daerah Endemik Patogen Magnaporthe grisea Penyebab Penyakit Blas pada Tanaman Padi (Oryza sativa L.)
(Universitas Sumatera Utara, 2023)Rice are one of the main food sources for humans which are widely consumed by the world community. Rice cultivation in practice encounters several main obstacles, namely the attack of plant-disturbing organisms which can ... -
Respon Pertumbuhan Bibit Kelapa Sawit (Elaeis guineensis Jacq) dan Nutrien Fosfat Melalui Aplikasi Mikroba Pelarut Fosfat dan Amelioran Pada Tanah Gambut
(Universitas Sumatera Utara, 2023)This study aims to study and determine the effect of applying ameliorants and also biological fertilizers on growth, soil P nutrients and nutrient uptake in plants. This research was conducted in a greenhouse, Faculty of ... -
Pengujian Mutu Benih beberapa Varietas Benih Jagung (Zea Mays L) dengan Uji Cepat Radicle Emergence/Re dan Tetrazolium
(Universitas Sumatera Utara, 2023)Fast and applicable seed quality testing methods are needed to support the availability of quality seeds that can be distributed. The tetrazolium rapid test method is a rapid test method that is currently being implemented ... -
Pengendalian Eleusine Indica L. Resisten Glifosat dengan Herbisida Glifosat, Paraquat dan Amonium Glufosinat pada Fase Pertumbuhan Berbeda
(Universitas Sumatera Utara, 2023)Eleusine indica (L.) has been widely reported to be resistant to the herbicide active ingredient glyphosate and this resistant population is used in several plantation locations in Indonesia. Various studies related to ... -
Efektivitas Metode Pemupukan pada Pertumbuhan Dua Varietas Bibit Kelapa Sawit (Elaeis guineensis Jacq.) di Pembibitan Utama (Main Nursery)
(Universitas Sumatera Utara, 2023)To achieve success in getting the results of plant growth and development, fertilizing is necessary. But before that, palm oil nurseries must be optimized with fertilization for success in planting in the field. The supply ... -
Hubungan Sifat Tanah Dengan Produktivitas Tanaman Pala (Myristica fragrans) di Kabupaten Minahasa Provinsi Sulawesi Utara
(Universitas Sumatera Utara, 2023)Survey research on the relationship between soil properties and productivity of nutmeg plants in Minahasa Regency, North Sulawesi Province, namely in Mandolang District which is located at an altitude of 109-555 m asl. ... -
Estimasi Kandungan Hara Daun Kelapa Sawit (Elaeis guineensis Jacq.) Menggunakan Citra Multispektral Berbasis Unmanned Aerial Vehicle
(Universitas Sumatera Utara, 2023)Adequate nutrition is one of the important factors in its contribution to oil palm productivity. Usually, Usually, fertilization is needed to obtain sufficient nutrients based on the analysis of soil and leaf nutrients. ... -
Peran Pemberian ZPT Alami dan NaCl terhadap Pertumbuhan dan Produksi Serta Kandungan Fitokimia Microgreen Wheatgrass (Triticum aestivum L.)
(Universitas Sumatera Utara, 2023)Microgreen Wheatgrass is Young seed harvested 7-14 days after planting have fully developed cotyledons and a pair of true leaves. Technological developments and advances in science provide scientific evidence that some ... -
Peran Beberapa Refugia terhadap Tingkat Parasitasi Parasitoid Telur Spodoptera frugiperda J.E. Smith (Lepidoptera; Noctuidae)
(Universitas Sumatera Utara, 2023)Fall Armyworm (S. frugiperda) is one of the main hosts of maize. Refugia plants are a pest control solution based on the IPM concept which provides a source of food for natural enemies, especially parasitoids. In this ... -
Dinamika P Organik Tanah akibat Penambahan Pupuk Fosfat, Kompos dan Mikoriza Vasikular Arbuskular pada Tanah Masam Tambunan A
(Universitas Sumatera Utara, 1998)Perluasan penanaman pada lahan kering saat ini adatah dengan pemanfaatan lahan-lahan yang miskin hara, yaitu tahan kering masam seperti tanah masam Tambunan A- Walaupun miskin hara, tanah ini dapat dimanfaalkan bila ... -
Pengaruh Aplikasi Nitrogen dan Kinetin terhadap Pertumbuhan, Hasil dan Komponen Mutu Tembakau Deli
(Universitas Sumatera Utara, 1999)Tujuan penelitian ini adalah untuk mengetahui pengaruh nitrogen dan kinetin terhadap pertumbuhan, hasil dan komponen mutu Tembakau Deli dan untuk mengetahui dosis nitrogen dan konsentrasi kinetin yang paling baik bagi ... -
Pengaruh Dosis Paklobutrazol dan Pupuk Nitrogen terhadap Produksi dan Komponen Produksi Padi Sawah (Oryza sativa L.) Sistem Tabela
(Universitas Sumatera Utara, 1999)Salah satu masalah yang dijumpai pada padi sistem tabela adalah terjadi kerebahan walaupun tingkat pernupukan nitrogennya masih lergolong sedang. Retardant sering dimanfaatkan oleh petani untuk mencegah kerebahan pada ... -
Analisis Tumbuh Jagung (Zea mays L.) pada Berbagai Tingkat Pemberian Gambut Netral dan Pemupukan Fosfat di Tanah Masam
(Universitas Sumatera Utara, 1998)Penelitian ini bertujuan untuk mengetahui pengaruh pemberian gambut netral dan pemupukan fosfat terhadap pertumbuhan dan hasil jagung dan tanah masam -
Perubahan Beberapa Sifat Tanah Liat Aktivitas Rendah (Low Activity Clay) serta Hasil Tanaman jagung (Zea mays L.) akibat Pemberian Dolomit dan Kompos Kulit Buah Kakao
(Universitas Sumatera Utara, 1997)Penelitian ini bertujuan untuk mengetahui pengaruh pemberian dolomit dan kompos kulit buah kakao terhadap sifat fisika dan kimia tanah LAC serta hasil tanaman jagung. Penelitian disusun berdasarkan Rancangan Acak Kelompok ... -
Respon Tanaman Porang (Amarphopallus ancophillus) dengan Pemberian Fitosan dan Kompos Jerami Padi di Lahan Salin
(Universitas Sumatera Utara, 2023)The porang plant is a commodity that has prospects as an alternative food in which efforts to increase production continue, one of which is by utilizing marginal land such as saline soil. Porang is a plant that is susceptible ... -
Respons Pertumbuhan dan Produksi Bawang Merah (Allium Ascalonicum L.) terhadap Pemberian Dosis N,P,K dan Inokulasi dengan Mikoriza
(Universitas Sumatera Utara, 2023)Shallot is a horticultural commodity that is most commonly used in every home industry, daily food processing to be used for health therapy, which causes the need and demand for shallots to increase, but shallot production ... -
Respons Tomat Cherry (Solanum Lycopersicum Var. Cerasiforme) terhadap Konsentrasi Unsur Hara pada Fase Vegetatif dan Generatif Secarahidroponik Sistem Sumbu
(Universitas Sumatera Utara, 2023)One of the solutions for urban farming (urban farming) is hydroponic cultivation, today the development of the world of agriculture, especially in the field of hydroponics is increasing rapidly. The growth and production ... -
Potensi Abu Cangkang Kelapa Sawit dan Aspergillus Niger Mengatasi Cekaman Kekeringan pada Kelapa Sawit (Elaeis guineensis Jacq.) di Pembibitan Utama
(Universitas Sumatera Utara, 2023)Climate change is a limiting factor that has an impact on weather anomalies, when rainfall is less than normal induce drought stress that influence plant cultivate especially palm oil decrease productivy of defisit water. ...
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