Browsing Master Theses by Issue Date
Now showing items 1-20 of 424
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Pengaruh Pemangkasan Pucuk dan Eco Enzyme terhadap Profil Rasa dan Kualitas Nutrisi pada Daun Stevia (Stevia rebaudiana)
(Universitas Sumatera Utara, 2025)Stevia is a medicinal plant that contains stevioside, rebaudioside A and steviol with a sweetness level that is 300 times sweeter than sucrose. High temperatures can stimulate earlier flowering and will reduce the nutritional ... -
Uji Efektivitas Abu Dan Biochar Cangkang Kemiri Serta Pemupukan NPK Pada Tanaman Jagung (Zea mays L.) Di Tanah Ultisol
(Universitas Sumatera Utara, 2025)The increasing amount of candlenut shells that are difficult to decompose causes environmental pollution due to the accumulation of waste. Processing candlenut shell waste into ash or biochar can increase the benefits ... -
Kajian Mikrobioma pada Usus Larva Oryctes Rhinoceros dan Potensinya sebagai Agens Hayati Ganoderma Boninense secara In-Vitro
(Universitas Sumatera Utara, 2025)Palm oil (Elaeis guineensis Jacq.) is one of the important commodities in Indonesia. One of the plant pest organisms that inhibits the growth of oil palm productivity is the G. boninense pathogen and insect (O. rhinoceros). ... -
C-Organik Tanah dan Perhitungan Kebutuhan Pupuk Perkebunan Kelapa Sawit Rakyat di Kabupaten Labuhan Batu
(2025)Smallholder oil palm plantations in Labuhan Batu Regency have an important role in the regional economy. However, to achieve optimal results, good soil management is required. One of the important factors in soil management ... -
Kajian Waktu Aplikasi Paclobutrazol dan Beberapa Varietas terhadap Pertumbuhan dan Produksi Tanaman Mentimun (Cucumis sativus)
(2025)The decline in cucumber production every year is caused by less intensive and efficient cultivation, so technology is needed that can increase yields such as the application of growth regulators (ZPT) and the use of ... -
Konsentrasi dan Frekuensi Pemberian NAA terhadap Pertumbuhan Tunas Stek Umbi Porang (Amorphohallus muelleri Blume)
(Universitas Sumatera Utara, 2025)The increasing industrial demand for porang products makes the development of its cultivation important. The main challenge is the provision of quality seedlings, which can be addressed more efficiently through vegetative ... -
Kajian Biomassa Cover Crops Pada Kebun Kelapa Sawit (Elaeis gueneensis Jacq.) Di lahan Gambut Dan Hubungannya Dengan Karakteristik Tanah
(Universitas Sumatera Utara, 2025)MUNAWARAH. Assessment of Biomass Cover Crops in Oil Palm (Elaeis gueneensis Jacq.) Plantations in Peatlands and its Relationship with Soil Characteristics (under the guidance of ABDUL RAUF as Chairman of the Supervisory ... -
Estimasi Serapan Karbon Pada Vegetasi Karet Menggunakan Google Earth Engine
(universitas sumatera utara, 2025)Carbon sequestration in rubber vegetation is important to measure carbon sequestration potential as an effort to mitigate climate change by reducing CO2 concentrations in the atmosphere. One way to estimate carbon uptake ... -
Penggunaan Eco-Enzyme untuk Pematahan Dormansi dan Perkecambahan pada Pengujian Benih Padi Bersertifikat
(Universitas Sumatera Utara, 2025)Increasing rice production can be done by using certified seeds. Dormancy is one of the obstacles in the rice seed testing process. Eco-enzyme is expected to be used for dormancy breaking and germination in testing certified ... -
Efektivitas Surfaktan Buah Lerak (Sapindus rarak) dengan Ekstraksi Biji Mahoni (Swietenia mahagoni) dan Biji Srikaya (Annona squamosa) menggunakan Dua Pelarut Terhadap Mortalitas Spodoptera frugiperda J. E. Smith pada Tanaman Jagung
(Universitas Sumatera Utara, 2025)Spodoptera frugiperda is an invasive pest that attacks corn plants and causes significant damage. The excessive use of chemical insecticides can negatively impact the environment and human health, necessitating the development ... -
Peran Asam Borat dan Benzyl Amino Purine Terhadap Pertumbuhan dan Produksi Bawang Merah Bima Brebes
(2025)Kendala utama yang terjadi pada bawang merah varietas Bima Brebes ialah produksi hasil. Produksi bawang merah di Indonesia cukup tinggi setiap tahunnya tetapi masih belum cukup untuk memenuhi kebutuhan konsumen, sehingga ... -
Keragaman Biotipe Nilaparvata Lugens (Stall) pada Beberapa Daerah Penghasil Beras Di Sumatera Utara
(Universitas Sumatera Utara, 2025)The brown planthopper (Nilaparvata lugens) is a major rice pest that causes significant crop losses throughout Asia. The purpose of this study was to determine the biotype diversity of bWBC in four rice-producing ... -
Efektivitas Pupuk Hayati Mikoriza dan Asam Humat dalam Meningkatkan Efisiensi Pemupukan NPK Mg dan Pertumbuhan Bibit Kelapa Sawit Tahap Main Nursery di Tanah Ultisol
(Universitas Sumatera Utara, 2025)One of the challenges in oil palm nurseries is limited soil fertility, especially in Ultisol soils which have high acidity and low nutrient availability. To overcome some of the problems in ultisol soils, mycorrhizal ... -
Populasi dan Keragaman Cacing Tanah pada Perkebunan Kelapa Sawit Rakyat Konvensional dan Semiorganik di Kabupaten Labuhan Batu
(Universitas Sumatera Utara, 2025)Oil palm (Elaeis guineensis Jacq.) is a key plantation crop for Indonesia's economy. Most smallholder farmers use conventional farming systems, which have adverse effects on both microfauna and macrofauna, particularly ... -
Evaluasi Unsur Hara Makro Pada Beberapa Klon Hybrid Eucalyptus spp. di Kawasan Danau Toba
(Universitas Sumatera Utara, 2024)Eucalyptus spp. is one of the most widely genus planted for Industrial Forest (HTI) especially for pulp and paper production in the world and specifically in Indonesia, because it has superior properties, namely: high ... -
Induksi Ketahanan Tanaman Tomat (Solanum lycopersicum) terhadap Patogen Ralstonia syzygii subsp. indonesiensis Menggunakan Bakteri Endofit dan Asam Salisilat
(Universitas Sumatera Utara, 2024)Bacterial wilt disease in tomato plants which is caused Ralstonia syzygii subsp. indonesiensis is difficult to control due to the pathogen ability to persist in residual host material, in soil and can spread easily through ... -
Karakter Pertumbuhan, Fisiologi dan Ketahanan Penyakit Gugur Daun pada Tanaman Belum Menghasilkan Klon Harapan Karet (Hevea brasiliensis) IRR Seri 400
(Universitas Sumatera Utara, 2024)Rubber is Indonesia's leading commodity because it supports much of the country's economy. Superior rubber clones are currently being used extensively in Indonesia, but actual productivity results vary. With a smallholder ... -
Pertumbuhan, Produksi, dan Kualitas Tiga Varietas Bawang Merah (Allium ascalonicum L.) pada Beberapa Dosis Aplikasi Hara Sulfur
(Universitas Sumatera Utara, 2024)The research was aimed to evaluate the growth, production, and quality of three shallot varieties at several doses of sulfur nutrient application. The research was conducted at the Balai Benih Induk Palawija, Tanjung Slamat, ... -
Pendugaan Parameter Genetik dan Seleksi Individu Terpilih pada Generasi F2 dan F3 Hasil Persilangan Tiga Tetua Varietas Kedelai [Glycine max (L.) Merrill]
(Universitas Sumatera Utara, 2024)Increasing soybean production can be done by developing superior varieties, through crossing. Crossing three elders using three soybean varieties namely Grobogan, Anjasmoro, and Dega 1 is expected to increase genetic ... -
Evaluasi Sifat Kimia Tanah serta Produksi Tanaman Sayuran pada Lahan Sela Perkebunan Kelapa Sawit Menghasilkan Akibat Pemupukan Kompos Tandan Kosong Kelapa Sawit
(Universitas Sumatera Utara, 2024)Every year the area of oil palm land continues to increase due to the ever-increasing demand. To optimize the potential of oil palm land, planting plants can be carried out between the oil palms (intercropping). Plants ...