Undergraduate Theses
Undergraduate Theses
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Uji Cepat Varietas Padi (Oryza Sativa L.) Toleran Merkuri sebagai Sumber Genetik Perakitan Padi Toleran Merkuri di Kabupaten Madina
(Universitas Sumatera Utara, 2024)The high level of mercury in wastewater comes from unlicensed gold mining activities in Mandailing Natal Regency, which causes rice plants planted in paddy fields to be contaminated through irrigation using groundwater ... -
Analisis Faktor Lahan yang Mempengaruhi Produktivitas Jagung di Kabupaten Karo dan Dairi
(Universitas Sumatera Utara, 2024)This study aims to analyze land factors affecting maize productivity in Karo and Dairi districts. This research was conducted using purposive sampling survey method with four stages: preparation stage, sampling survey ... -
Analisis Sifat Fisik dan Kimia Tanah di Bawah Tegakan Mangrove di Kelurahan Kalangan Indah Kecamatan Pandan Kabupaten Tapanuli Tengah
(Universitas Sumatera Utara, 2024)Mangrove forests are an important component both from an an environmental, social and economic perspective. So it is important to know the physical and chemical properties of soil regarding mangrove zoning. The research ... -
Pemberian Kombinasi Amandemen Tanah untuk Meningkatkan Kesuburan Tanah dan Produksi Jagung di Kabupaten Karo
(Universitas Sumatera Utara, 2024)Maize is an important commodity besides rice in Indonesia. Corn farmers still use synthetic fertilizers, which in the long run causes loss of productivity by inhibiting soil health. Efforts to improve soil quality can be ... -
Peran Nano Kitosan Terhadap Pertumbuhan Bulbil Porang (Amorphophallus Oncophyllus Prain.) pada Kondisi Cekaman Kekeringan
(Universitas Sumatera Utara, 2024)Elephant Foot Yam is a type of tuber plant that belongs to the Araceae (taro) family. An effort to minimize the impact of drought stress on Elephant Foot Yam plants is the provision of nano chitosan. This research aims to ... -
Hubungan Unsur Iklim terhadap Produktivitas Tanaman Teh (Camellia Sinensis L.) di Kebun Bah-Butong PTPN IV pada Tahun 1995-1999
(Universitas Sumatera Utara, 2024)Tea productivity is influenced by several factors, one of which is climate. This research aims to determine the influence of climate elements on the productivity of tea at Bah-butong of PT. Nusantara IV, North Sumatra ... -
Pengaruh Pemberian Pupuk Hijau Azolla Microphylla dan Pupuk N Terhadap Pertumbuhan dan Produksi Padi Sawah (Oryza Sativa L.) Varietas Ciherang
(Universitas Sumatera Utara, 2024)Nitrogen is classified as macro nutrient, which is an element that’s needed in the greatest quantities but its availability is always low due to its very high mobility in the soil. One effort to maximize N nutrient ... -
Pengaruh Pemberian Kompos Kulit Kopi, Pupuk Kalium dan CaCO3 Terhadap Ketersediaan Hara K, Ca dan Pertumbuhan Tanaman Kacang Kedelai (Glycine Max L.) pada Tanah Ultisol
(Universitas Sumatera Utara, 2024)This study aims to determine the effect of coffee peel compost, potassium fertilizer and CaCO3 on the availability of nutrients K, Ca and plant growth of Soybean (Glycine max L.) on Ultisol soil. The research was conducted ... -
Respon Pertumbuhan dan Produksi Tiga Varietas Kacang Hijau (Vigna Radiata L.) Terhadap Konsentrasi Poc Bonggol Pisang
(Universitas Sumatera Utara, 2024)The use of superior varieties and good fertilization is needed to increase plant growth. This research aims to determine the effect of giving banana weevil POC on several varieties of green beans (Vigna radiata L.). This ... -
Estimasi Penyimpanan Karbon Pada Tanaman Mangrove Api-Api (Avicennia Marina F.) di Desa Pante Bayam Kecamatan Madat Kabupaten Aceh Timur
(Universitas Sumatera Utara, 2024)Mangroves are one of the ecosystems that grow in coastal areas, which are influenced by tides and around river mouths that carry sediments from upstream. Mangrove ecosystems play a role in mitigating climate change due ... -
Uji Pertumbuhan Bakteri Selulotik Simbion Larva Oryctes Rhinoceros pada Beberapa Media Pertumbuhan
(Universitas Sumatera Utara, 2024)Oryctes rhinoceros larvae are one of the sources of cellulose and hemicellulose degrading bacteria. The growth of cellulotic bacteria is highly dependent on nutrient sources, energy sources and environmental conditions. ... -
Kajian Karakteristik Unsur Hara Tanah dan Daun Serta Rekomendasi Pemupukan pada Tanaman Kelapa Sawit (Elaeis Guineensis Jacq.) di Kebun Cot Girek PTPN IV REGIONAL 6 KSO
(Universitas Sumatera Utara, 2024)Oil palm is Indonesia's top plantation commodity. In 2021, the area of oil palm plantations reached 15,081,021 ha and made Indonesia the country with the largest oil palm plantation area in the world. Fertilization has a ... -
Pengaruh Konsentrasi dan Interval Pemberian Mikroorganisme Lokal (Mol) Buah Pepaya (Carica Papaya L.) terhadap Pertumbuhan dan Produksi Kedelai (Glycine Max L.)
(Universitas Sumatera Utara, 2024)The high intensity of cropping and production causes soil nutrient depletion, decreases fertilizer efficiency, and some land experiences saturated production. Therefore, soil bioenrichment efforts are needed, including ... -
Pengaruh Pemberian Limbah Pabrik Teh dan Pupuk Urea Terhadap Pertumbuhan Tanaman Jagung (Zea Mays L.) di Tanah Ultisol
(Universitas Sumatera Utara, 2024)Nitrogen (N) is required in large quantities by the low availability of plant N in ultisol soil causing growth inhibiting factors. Apart from artificial fertilizers such as urea, organic materials are a source of N. Rich ... -
Respons Pertumbuhan dan Produksi Tanaman Tomat (Solanum Lycopersium L.) terhadap Pemberian Pupuk Majemuk K-Ca-Mg-S
(Universitas Sumatera Utara, 2024)One of the efforts to increase the growth and production of tomato plants is by applying fertilizers containing nutrients K-Ca-Mg and S. This study aims to determine the response of growth and production of tomato plants ... -
Potensi Pertumbuhan Beberapa Bakteri Simbion Larva Oryctes Rhinoceros pada Media Nutrient Agar dan Pengaruh Derajat Keasaman (pH) Terhadap Pertumbuhan Bakteri pada Media Nutrient Broth
(Universitas Sumatera Utara, 2024)One type of pest that adversely affects the growth of oil palm trees is Oryctes rhinoceros. O. rhinoceros larvae are among the insects that harbor symbiotic bacteria. This study aims to characterize the biochemical and ... -
Pengaruh Lama Perendaman Tiga Varietas Benih Cabai Rawit dengan Plant Growth Promoting Rhyzobacter Akar Bambu Terhadap Pertumbuhan Vegetatif Cabai Rawit (Capsicum Frutescens L.)
(Universitas Sumatera Utara, 2024)Chili pepper is one of the important horticultural crops in Indonesia with promising market prospects. PGPR is an organic biological material capable of positively influencing plant growth and yield. This research aimed ... -
Pengaruh Pemberian Kompos Bungkil Inti Kelapa Sawit dan Pupuk Nitrogen Terhadap Sifat Kimia Tanah dan Pertumbuhan Tanaman Jagung (Zea Mays L.) pada Tanah Inceptisol
(Universitas Sumatera Utara, 2024)This study aimed to determine the effect of application of palm kernel meal compost and nitrogen fertilizer and interaction of palm kernel meal compost and nitrogen fertilizer on soil chemical properties and Corn Plant ... -
Pengaruh Logam Berat Cr dan Beberapa Amelioran Terhadap Cr Total Tanah, Kadar Cr Tanaman, Serapan Cr, dan Produksi Tanaman Kangkung Darat (Ipomoea Reptans Poir.) di Tanah Inseptisol
(Universitas Sumatera Utara, 2024)This research aims to determine the effect of the heavy metal Cr in the soil and the provision of ameliorant on total Cr soil, Cr uptake and land kale (Ipomoea reptans Poir.) production. This research was conducted on the ... -
Keragaman Fenotipe Generasi F3 Hasil Persilangan Bebas Tiga Tetua Kultivar Jagung (Zea Mays L.)
(Universitas Sumatera Utara, 2024)This research aims to determine the phenotypic diversity of the F3 generation resulting from F2 indefendent random so that selection can be carried out based on seed color and corn cob production. This research was carried ...
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