Doctoral Dissertations (Agricultural Science)
Doctoral Dissertations (Agricultural Science)
Recently added
Now showing items 41-60 of 102
-
Penyusunan Amandemen Silikat Berdasarkan Karakteristik Tanah Andisol Gunung Sinabung
(Universitas Sumatera Utara, 2014)Soil studies in Mt. Sinabung slope was conducted in 2 (two) surveys and 2 (two) experiments. The first study is survey of morphology and characteristic of soils in north slope of Mt. Sinabung, comprised upper slope, ... -
Seleksi dan Mekanisme Toleransi Tanaman Tembakau (Nicotiana tabacum L.) terhadap Kekeringan
(Universitas Sumatera Utara, 2007)The objectives of this experiment to determine level tolerance of thirty Nicotiana tabacum genotypes against drought stress under controlled conditions; to determine tolerance mechanism to drought; find out tolerant ... -
Kajian Integrasi Tanaman Padi Sawah dan Kelapa Sawit
(Universitas Sumatera Utara, 2020)The conversion of rain-fed and irrigated rice into oil palm plantations are a circumstance that occurs in Indonesia, North Sumatra, especially in the Deli Serdang and North Labuhanbatu Districts. This is difficult to be ... -
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. ... -
Kajian Rasio Kation Kalsium, Magnesium dan Kalium dalam Kaitannya dengan Produksi Tanaman Karet (Hevea Brasiliensis Muell. Arg)
(Universitas Sumatera Utara, 2022)The low productivity of Indonesian rubber estate is mainly due to the application of rubber technology and plantation management which have not fully complied with the recommendations. One of the ways to achieve maximum ... -
Optimasi Sawah Tadah Hujan Menggunakan Varietas Padi Gogo dan Pengelolaan Kalium serta Waktu Tanam pada Pola Tanam IP Padi 300
(Universitas Sumatera Utara, 2020)Upland rice is a highly potential land to develop more for rice supply. The issue on this land is the water availability which is depend on rainfall, causing upland rice get drought risk. Thus, upland rice has low cropping ... -
Studi Fisiologi dan Molekular Klon Karet (Hevea brasiliensis Muell. Arg.) IRR Seri 400 sebagai Batang Atas terhadap Cekaman Kekeringan
(Universitas Sumatera Utara, 2021)Drought stress is the main cause of plant death. Strategies for plants to survive in the stress conditions include adaptation of morphological development, specific signaling pathways to defense conditions and the formation ... -
Peranan Biochar TKKS sebagai Amelioran dalam Menurunkan Pencucian Hara dan Emisi Gas CO2 pada Perkebunan Kelapa Sawit di Lahan Gambut
(Universitas Sumatera Utara, 2021)The use of peatlands for oil palm plantations has been carried out quite a lot in Indonesia. But the development of oil palm in peatlands is actually faced with various problems such as low productivity and the issue of ... -
Kajian Sludge Biogas Limbah Cair Kelapa Sawit sebagai Sumber Biofertilizer
(Universitas Sumatera Utara, 2021)The problem regarding the processing of CPO in oil palm plantations is the liquid waste or POME (Palm Oil Mill Effluent) produced, which has a very dangerous impact on the environment. The management of this waste in ... -
Reevaluasi Tanah Sawah dan Arahan Pengelolaan Berkelanjutan pada Daerah Irigasi di Aceh Utara
(Universitas Sumatera Utara, 2021)Efforts to increase rice production continue to be carried out by the government. Intensification of agriculture is carried out to provide food for the population. Agricultural intensification also needs to be accompanied ... -
Studi Pemanfaatan Gulma untuk Mengendalikan Ganoderma di Perkebunan Kelapa Sawit
(Universitas Sumatera Utara, 2021)Penyakit busuk pangkal batang yang disebabkan patogen Ganoderma boninense (G. boninense) merupakan salah satu patogen penting pada tanaman kelapa sawit karena dapat menyebabkan kematian pada tanaman di pembibitan dan yang ... -
Isolasi, Pengklonan dan Analisis Ekspresi Gen Penyandi Heat Shock Proteins (HSPs) dari Ulat Sutera Bombyx mori L. (Lepidoptera: Bombycidae) C301
(Universitas Sumatera Utara, 2017)Growth, development and productivity of silkworm (Bombyx mori) are strongly influenced by environmental temperature changes. Temperature becomes major factor in increasing the production of silk thread. Silkworm breeding ... -
Peningkatan Hasil Kedelai di Tanah Salin dengan Penggunaan Genotipa Tahan, Asam Askorbat, dan Fungi Mikoriza Arbuskular
(Universitas Sumatera Utara, 2015)Upaya peningkatan produksi kedelai dalam negeri diarahkan melalui strategi perluasan areal tanam dan penerapan teknologi spesifik lokasi. Lahan salin merupakan lahan marjinal yang belum dimanfaatkan secara optimal untuk ... -
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 ... -
Peningkatan Produksi Centellosida pada Pegagan (Centella asiatica) Melalui Pemberian Fosfor dan Metil Jasmonat dengan Umur Panen yang Berbeda
(Universitas Sumatera Utara, 2014)The Increase in Centelloside Production of Pegagan (Centella asiatica ) Through Application of Phosphorus and Methyl Jasmonate with Different Harvest Time (Supervised by: J.A. NAPITUPULU, MARLINE NAINGGOLAN, LUTHFI AZIZ ... -
Skrining Tanaman Induk, Analisis Hasil Perbanyakan Vegetatif In Vivo Dan In Vitro Jeruk Keprok Brastepu Bebas Penyakit Citrus Vein Phloem Degeneration (CVPD)
(Universitas Sumatera Utara, 2016)Screening of mother plants, analysis of in vivo and in vitro vegetative propagation of Brastepu citrus (Citrus nobilis Brastepu) free from citrus vein phloem degeneration (CVPD) diseases is explained in this Dissertation. ... -
Peta Pautan Genetik dan Analisis QTL Tanaman Karet (Hevea brasiliensis Muell Arg.) pada Populasi Hasil Persilangan RRIM 600 dengan PN 1546 sebagai Dasar Strategi Peningkatan Produksi Lateks
(Universitas Sumatera Utara, 2013)One of the efforts that has been made to increase the genetic diversity of the rubber plant in Indonesia is by utilizing germplasm. Opportunities to obtain new superior genotypes will be greater if the genetic material ... -
Peningkatan Toleransi Padi Sawah di Tanah Salin Menggunakan Anti Oksidan Asam Askorbat dan Pemupukan PK Melalui Daun
(Universitas Sumatera Utara, 2016)Efforts to develop thericeinsaline soilsalinityface obstacles. Riceisacerealthat is sensitive tosalinity. Production of riceinsalinelandis stillvery lowdue toosmotic stress, oxidativestressandiontoxicityandnutrient ... -
Peningkatan Produksi Centellosida pada Pegagan (Centella Asiatica) melalui Pemberian Fosfor dan Metil Jasmonat dengan Umur Panen Yang Berbeda
(Universitas Sumatera Utara, 2014)THE INCREASE IN CENTELLOSIDE PRODUCTION OF PEGAGAN (Centella asiatica ) THROUGH THE APPLICATION OF PHOSPHORUS AND METHYL JASMONATE WITH DIFFERENT HARVEST TIME NOVERITA SPRINSE VINOLINA. The Increase in Centelloside ... -
Pertumbuhan dan Produksi Varietas Padi Gogo di Areal Tanaman Karet Belum Menghasilkan
(Universitas Sumatera Utara, 2014)Provision of rice to meet national food needs is still a problem that needs to be addressed. It is caused by several factors such as: the number of people continues to increase, the change of food consumption of population ...
RSS 1.0