Doctoral Dissertations (Agricultural Science)
Doctoral Dissertations (Agricultural Science)
Recently added
Now showing items 21-40 of 102
-
Faktor Faktor yang Mempengaruhi Keberhasilan Implementasi Enterprise Resource Planning di Perkebunan Kelapa Sawit PT. Anugerah Langkat Makmur
(Universitas Sumatera Utara, 2024)Palm oil plantation are the sector agriculture control long-range system. This leads to the inspections of plantation work processes, as well as performance assessments, being conducted through visits to plantation/factory ... -
Identifikasi Gen Embriogenik terhadap Genotipe Klon Kelapa Sawit (Elaeis guinnensis Jacq.) Produksi Tinggi dan Tahan Penyakit Ganoderma
(Universitas Sumatera Utara, 2024)Oil palm is an important tropical plant producer of vegetable oil as a source of Indonesian currency. The presence of oil palm superior seed is necessary to increase productivity. Tissue culture becomes the only vegetative ... -
Penurunan Kandungan Merkuri Padi Sawah pada Lahan Tercemar Merkuri di Kabupaten Mandailing Natal melalui Aplikasi Varietas Toleran dan Biochar yang Dimodifikasi
(Universitas Sumatera Utara, 2024)Mandailing Natal Regency is administratively located in the province of North Sumatra, covering an area of 662,070 hectares, with 40,051 hectares of rice fields. The Batang Gadis River, which flows for 180 km, serves as a ... -
Perbaikan Genetik Padi Gogo Lokal Aceh (Oryza sativa L.) melalui Iradiasi Sinar Gamma untuk Genotipe Umur Genjah dan Produksi Tinggi
(Universitas Sumatera Utara, 2024)Local rice cultivars that have resistance to biotic and abiotic stresses still have weaknesses in terms of long life and low production. In general, local cultivars have a relatively long lifespan when compared to superior ... -
Produksi dan Kandungan Minyak Atsiri Beberapa Ekotipe Akar Wangi (Vetiveria zizanioides L.) pada Beberapa Tingkat Salinitas dan Kultur Teknis dengan Asam Salisilat dan Mikoriza
(Universitas Sumatera Utara, 2024)sub-tropical areas. The quality of essential oils in Indonesia is increasingly declining. The decline in export volume and low price of vetiver oil is caused by low production and quality of vetiver oil. Planting vetiver ... -
Perbaikan Karakter Morfologi Dan Agronomi Padi (Oryza sativa L) Gogo Lokal Kultivar Sidikalang dengan Induksi Iradiasi Sinar Gamma dalam Upaya Memperoleh Tanaman Padi Toleran Herbisida
(Universitas Sumatera Utara, 2023)The existence of upland rice in North Sumatra is still far from being empowered while the availability of non-irrigated land is still sufficient and climate change conditions tend to be dominant in the dry season so that ... -
Fitoremediasi Logam Kadmium: Anatomi, Metabolisme dan Produksi Minyak Atsiri Tanaman Aromatik pada Tanah Asal Tempat Pembuangan Akhir
(Universitas Sumatera Utara, 2023)Final shelters as garbage collectors in big cities have now become a disturbing and even dangerous situation for the health of the surrounding communities. This situation is due to the heavy metal content contained in ... -
Kajian Pemberian Mulsa Jerami dan Beberapa Sumber Silika terhadap Peningkatan Produktivitas dan Penurunan Kadar Amilosa Padi Gogo Varietas Sigambiri Merah
(Universitas Sumatera Utara, 2023)Rice plants are one of the sub-sectors of food crops that are widely cultivated by the people of Indonesia. Rice has a very important role, because it is the main source for society in life. The rice harvest area in 2022 ... -
Karakterisasi Lipase Thermomyces lanuginose Imobil (TLIM) pada Reaksi Gliserolisis Enzimatis dan Optimasi Prosesnya untuk Produksi Monogliserida Berbasis Turunan Minyak Sawit
(Universitas Sumatera Utara, 2023)The need for 70% food emulsifier was mono glycerin form. There was concern about monoglyceride products that were produce as unfriendly manner and most of the products are still import, even though Indonesia has the potential ... -
Efek Suara terhadap Aktivitas Mikroba Pelarut Fosfat serta Pertumbuhan dan Hasil Tanaman Jagung (Zea maysL.)
(Universitas Sumatera Utara, 2023)Phosphorus (P) is a key nutrient for agricultural biology and productivity because it plays an important role in almost all major metabolic processes in plants such as photosynthesis, energy transfer, macromolecular ... -
Keragaman Aksesi Durian (Durio zibethinus Murr.) Lokal Sumatera Utara dengan Penanda Morfologi, Uji Organoleptik dan Pendekatan Bioinformatika pada Durian
(Universitas Sumatera Utara, 2022)Durian (Durio zibethinus Murr.) is one of the tropical plants native to Southeast Asia and is popular as the king of fruits. Durian is widely cultivated in gardens along with other plants. In Thailand and Malaysia, ... -
Integrasi Budidaya Kedelai pada Perkebunan Kelapa Sawit Menghasilkan dengan Rekayasa Jarak Tanam Ditinjau dari Aspek Produksi dan Ekonomi serta Lingkungan
(Universitas Sumatera Utara, 2023)The use of intercropped land in immature oil palm plantations has been widely studied and has even been widely applied. Meanwhile, land use between mature oil palm plantations with spacing engineering has never been ... -
Analisis Karakteristik Tanah pada Areal Kelapa Sawit Terinfeksi Penyakit Ganoderma melalui Pendekatan Remote Sensing
(Universitas Sumatera Utara, 2023)Basalt Stem Rot (BSR) caused by the pathogen Ganoderma boninense is a threat to the sustainability of oil palm agribusiness, especially in Indonesia and Malaysia. This disease results in damage to plants, decreased ... -
Pengaruh Faktor Internal dan Eksternal terhadap Keberhasilan Wirausaha dan Strategi Pengembangan Wirausahawan Muda Pertanian di Wilayah Sumatera
(Universitas Sumatera Utara, 2023)The aim of the research is to describe the condition of internal factors, external factors, and entrepreneurial success and to analyze the influence of internal factors and external factors on entrepreneurial success. ... -
Studi NCBI dan Marka Biokimia Klon Quick Starter dan Slow Starter Tanaman Karet (Hevea Brassiliensis Muell Arg.)
(Universitas Sumatera Utara, 2022)Research on the rubber plant H. brasiliensis Muell Arg. has been carried out by various agencies and previous researchers, and the results of these researches have been published in various journals and are well documented ... -
Perbaikan Kesuburan Tanah Sawah Tadah Hujan dalam Pengembangan Kedelai Hitam melalui Aplikasi Pupuk Organik dan Anorganik Majemuk
(Universitas Sumatera Utara, 2015)Increased land area can be done by utilizing vacant land or land that is not currently in production periods for example rainfed areas. Utilization of rainfed areas after the time of production of the rice such as black ... -
Ameliorasi Tanah Gambut dengan Air Laut Mineral Zeolit dan Pasir Vulkan serta Pengaruhnya pada Tanaman Padi Sawah
(Universitas Sumatera Utara, 2016)The study aimed to determine the effect of amelioration of seawater, zeolite, volcanic sand and combination of all ameliorants in peat soil from Inbuhan Batu and Asalnn Distric ltove been condrcted in the greenhouse and ... -
Karakteristik, Klasifikasi, dan Arahan Pengelolaan Tanah Terpengaruh Tsunami di Nanggroe Aceh Darussalam (Studi Kasus di Aceh Utara)
(Universitas Sumatera Utara, 2009)On 26 Desember 2004 a strong earthquake in Aceh caused the tsunami wave. The wave had a kinetic energy resulting from the water movements, the characteristics of water as agent of leaching and dissolving, and mud ... -
Efisiensi Pemupukan Fosfat dan Produksi Tanaman Kentang (Solanum tuberosum L.) pada Andisol Terdampak Erupsi Gunung Sinabung Melalui Pemanfaatan Mikroba Pelarut Fosfat
(Universitas Sumatera Utara, 2016)Phosphorus (P) is an essential macro nutrient that plays an important role in supplying ttte chemical energy needed in aimost all metabolic activities of plants. Its role in biological systqms cannot be replaced by other ... -
Upaya Mempercepat Matang Sadap dan Karakter Produksi Lateks Beberapa Klon Karet Melalui Penggunaan Zat Pengatur Tumbuh
(Universitas Sumatera Utara, 2016)On rubber cultivation, good and uniform growth of plant immature periods (TBM) is the main goal because the productivity at productive age (PA) is not only determined by genetic potential (clones) and the system of ...
