Browsing Faculty of Agriculture by Type "Disertasi Doktor"
Now showing items 1-20 of 91
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Adaptabilitas dan Stabilitas Hasil Beberapa Genotipe Gandum pada Ketinggian Tempat dan Waktu Tanam Berbeda
(2017)Wheat is a cereal crop that comes from subtropical region, so its development in Indonesia is still focused in the highlands. Limited wheat that can be planted in certain areas and the increasing needs make the crops ... -
Amelioran Aranghayati Alkalin Tandan Kosong Sawit Meningkatkan Produktivitas Tanah Masam
(Universitas Sumatera Utara, 2020)Pelenitian ini dilakuakan dalam empat tahap, terdiri dari dua tahap penelitian pendahuluan dan dua tahap penelitian utama. Penelitian Pendahuluan Tahap 1 dimulai dengan melakukan pembuatan biochar dari bahan tandan ... -
Ameliorasi dan Pemupukan pada Lahan Gambut untuk Peningkatan Produktivitas Kelapa Sawit
(Universitas Sumatera Utara, 2020)Penelitian dilakukan atas tiga tahapan kegiatan yaitu tahapan pertama (penelitian-I) merupakan percobaan inkubasi dari aplikasi bahan amelioran yang terdiri dari dolomit, batu an fosfat dan tanah mineral pada media tanam ... -
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 ... -
Analisis Daya Dukung Lahan Pertanian Tanaman Pangan Daerah Tangkapan Air Danau Toba
(Universitas Sumatera Utara, 2018)Food is basic needs to be conducted for human life and exertion on the earth. The ability of territory to meet their inhabitants’ food needs is seen from land carrying capacity. The appropriate land availability for food ... -
Analisis Genetik dan Seleksi Genotipe Padi Gogo Toleran Suhu Rendah
(Universitas Sumatera Utara, 2021)Tanaman padi gogo merupakan salah satu alternatif dalam usaha peningkatan produksi beras di Indonesia yang penerapan teknologi budidayanya belum optimal, terutama pada lahan kering dataran tinggi. Rendahnya produksi padi ... -
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 ... -
Bioekologi Myopopone castanea Smith (Hymenoptera: Formicidae) Sebagai Pemangsa Larva Kumbang Tanduk Oryctes rhinoceros Linn. (COLEOPTERA: SCARABAEIDAE)
(Universitas Sumatera Utara, 2020)Oil palm is a superior plantation crop in Indonesia. Oryctes rhinoceros Linnaeus (Coleoptera: Scarabaeidae) is one of the pests that attack oil palm plants, especially young plants. The policy of the plantation management ... -
Bioekologi Predator Plesiochrysa ramburi (Schneider) (Neuroptera: Chrysopidae) pada Kutu Putih Paracoccus marginatus Williams & Granara de Willink (Hemiptera: Pseudococcidae)
(Universitas Sumatera Utara, 2020)A mealy bug, Paracoccus marginatus is one of the important pest in papaya plants (Carica papaya L.). The pest uptakes the plant liquid by sticking the sty into the epidermis of the leaves, stems, and fruit. In addition, ... -
Budidaya Tanaman Sorgum (Sorghum bicolor (L.) Moench ) di Lahan Kritis Kabupaten Aceh Besar dengan Input Mulsa dan Pupuk Organik
(Universitas Sumatera Utara, 2020)Di Propinsi Aceh luas lahan kritisnya mencapai 860.659,93 hektar. Lahan seluas ini perlu untuk diberdayakan khususnya di bidang pertanian dan peternakan, untuk dapat memberdayakan lahan kering tersebut, maka perlu diupayakan ... -
Daya Saing Ekspor Kopi dari Negara Penghasil Ke Negara Tujuan Ekspor
(Universitas Sumatera Utara, 2025)Coffee is a leading commodity with an export value of USD 1.14 billion with an export volume of 433,780 tons in 2022. The highest destination for Indonesian coffee exports is the United States with a value of USD 268.55 ... -
Desain Tumpangsari Kentang dalam Upaya Menekan Infestasi Hama Myzus persicae Sulzer Pada Sistem Pertanian Organik
(2016)North Sumatra is the third largest potato production centers in Indonesia, but the productivity relatively low. One obstacle to increasing the potato production is the high pest infestation. For pest control, farmers use ... -
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 ... -
Efektivitas Beberapa Jenis Pestisida Nabati Untuk Mengendalikan Hama Kumbang Beras (Sitophilus oryzae) Pada Dua Jenis Beras di Gudang Beras Bulog Medan
(Universitas Sumatera Utara, 2022)This study aims to determine the effectiveness of vegetable pesticides in controlling rice beetle pest and types of rice that are resistant to rice beetle attacks. The research was carried out at the Bulog Mustafa Rice ... -
Eleusine indica Resisten-Glifosat: Skrining, Campuran dan Resistensi Ganda serta Pengelolaan
(Universitas Sumatera Utara, 2022)The problems caused by weeds in oil palm plantations can decrease plant yield, especially glyphosate-resistant Eleusine indica. E. indica has been reported to be glyphosate-resistant in oil palm plantations in North Sumatra. ... -
Epidemi Penyakit Karat Daun Kopi (Hemileia vastatrix B. & Br.) pada Tanaman Kopi Arabika di Sumatera Utara dan Aceh
(Universitas Sumatera Utara, 2024)Coffee has long been a point of pride in Indonesian agriculture, particularly in the regions of North Sumatra and Aceh. With its distinct aroma, coffee has become a popular beverage enjoyed by people of all ages. However, ... -
Evaluasi Produktivitas Lahan Kopi Arabika dan Robusta pada Daerah Sentra Produksi Kopi Sumatera Utara
(Universitas Sumatera Utara, 2019)At the national level, the Province of North Sumatra is third in total Arabica and Robusta coffee production, with total production of North Sumatera in 2015 reaching 61,543 ton. The largest coffee producer in Indonesia ... -
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 ... -
Fisiologi dan Produksi Karet dengan berbagai Sistem Sadap dan Penggunaan Stimulan Gas
(Universitas Sumatera Utara, 2016)Growth and yeild of Rubber is determined by several factors such as genetic, environmental and exploitation system. Each clone has different metabolic level, namely low, medium and high. Differences in metabolism can ... -
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 ...