Browsing Master Theses by Submit Date
Now showing items 1-20 of 424
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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 ... -
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 ... -
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 ... -
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 ... -
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 ... -
Respon Pertumbuhan dan Produksi Beberapa Kultivar Lokal Kacang Merah (Phaseolus vulgaris L) Simalungun dengan Perlakuan Asam Salisilat di Dataran Menengah
(Universitas Sumatera Utara, 2024)Red beans are an important source of plant-based protein in Indonesia, rich in nutrients such as protein, complex carbohydrates, fiber, vitamins, and minerals. The cultivation of red beans in the midlands, especially in ... -
Evaluasi Pertumbuhan dan Produksi Kelapa Sawit (Elaeis guineensis Jacq.) Aksesi Liar Asal Kamerun di Lingkungan Kebun Percobaan PPKS Adolina
(Universitas Sumatera Utara, 2024)Indonesia is one of the world's largest producers of palm oil, producing more than half of all palm oil globally. Although not indigenous to Indonesia, the sector plays an important role in the economy, creating jobs and ... -
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 ... -
Pemanfaatan Beberapa Jenis Pupuk Kandang dan Mikoriza dalam Peningkatan Serapan P, Pertumbuhan dan Hasil Tanaman Bawang Merah (Allium ascalonicum L)
(Universitas Sumatra Utara, 2024)Shallot (Allium ascalonicum L.) is one of the horticultural commodities with high economic value and is needed by the community as food ingredients. Increasing P uptake and shallot growth and production can be done by ... -
Kajian Pengaruh Penundaan Waktu Pengeringan, Jenis Alat Pengeringan, dan Penyimpanan Contoh Daun terhadap Kandungan Hara Tanaman Kelapa Sawit (Elaeis guineensis Jacq.)
(Universitas Sumatera Utara, 2024)Proper handling of oil palm leaf samples prior to laboratory analysis is for ensuring accurate nutrient analysis results. This study aims to compare the nutrient content of oil palm plants in response to differences in the ... -
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 ... -
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 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). ... -
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 ... -
Pengaruh Pemberian Filtrat Dark Septate Endophyte terhadap Morfofisiologi Bahan Tanam Karet (Hevea brasiliensis Muell. Arg)
(Universitas Sumatera Utara, 2024)The hevea planting material nursery is often hindered by suboptimal performance of rootstock. Rootstock nursery always produce discarded seedlings due to attacks by white root disease (WRD) caused Rigidoporus microporus, ... -
Karakterisasi Morfologi dan Molekuler Ganoderma spp. Penyebab Penyakit Busuk Pangkal Batang (BPB) dan Busuk Pangkal Atas (BPA) pada Tanaman Kelapa Sawit (Elaeis guineensis Jacq.)
(Universitas Sumatera Utara, 2024)Sumatera is one of the regions with high productivity in palm oil (Elaeis guineensis Jacq.) production in Indonesia. However the sustainability of the palm oil industry in Indonesia could be threatened by the presence ... -
Karakter Morfologi dan Hasil Kacang Hijau (Vigna radiata L.) pada Kondisi Cekaman Kekeringan dengan Pemberian Silika
(Universitas Sumatera Utara, 2024)Elnino and lanina have led to lower mung bean production and higher risk for farmers. Mung beans are one of the commodities whose export value has increased in recent years, so the problem of global warming is a serious ... -
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 ...