• Keragaan Beberapa Genotip Ubi Jalar (Ipomoea batatas L.) Asal Simalungun dan Dairi di Dataran Tinggi 

  Annisa, Putri (Universitas Sumatera Utara, 2018)

  This objectives of the research was to know the performance of ubijalar genotypes from Simalungun and Dairi in the highlands in different regions. This research was carried out in the experimental garden area of Balitsa, ...

• Potensi Jamur Syncephalastrum racemosum dan Rhizopus arrhizus Asal Isolat Batang Sawit dalam Menghasilkan Kitosan 

  Fahrizal, Muhammad (Universitas Sumatera Utara, 2018)

  Chitosan is generally obtained from invertebrate shells from the Arthropoda sp, Mollusca sp, coelenterate sp, Annelida sp, Nematoda sp, and some of the fungal groups are Syncephalastrum racemosum and Rhizopus arrhizus. It ...

• Serapan Hara N, P dan Pertumbuhan Tanaman Kedelai (Glycine max (L.) Merril) Akibat Pemberian Pupuk Hayati Agrimeth dan Kapur Dolomit 

  Lubis, Ahmad Fauzi (Universitas Sumatera Utara, 2018)

  Agrimeth biofertilizer is one of biofertilizer which environmentally friendly and contains microbes that can helpto supply N and P nutrients of plant. This experiment was conducted from February to September 2018 on a field ...

• Kajian Mesofauna dengen Parbedaan Manajemen Batang Kelapa Sawit Replanting pada Ekosistem Perkebunan Kelapa Sawit di Kebun Aek Pancur 

  Hafira, Fabri Putra (Universitas Sumatera Utara, 2018)

  The process of palm oil replanting will change type and population of mesofauna in the replanting area of palm oil trunks. It is necessary to conduct research that examines the mesofauna that appears in the palm oil ...

• Isolasi dan Uji Potensi Mikroorganisme Pelarut Fosfat pada Andisol Terdampak Erupsi Sinabung pada Beberapa Ketebalan Abu di Kabupatem Karo 

  Pakolo, Nofriyanto (Universitas Sumatera Utara, 2018)

  Andisol soil erupted ash sinabung has a thickness level, where each thickness has microbial activity and nutrient status of soil who different. This study aims to determine the potential of phosphate solvent microorganisms ...

• Evaluasi Kesesuaian Lahan untuk Kelapa Sawit (Elaeis guineensis Jacq.) di Kebun Percobaan USU Tambunaan A, Kecamatan Salapian, Kabupaten Langkat 

  Nainggolan, Richad Elvian (Universitas Sumatera Utara, 2018)

  The aim of thi research was to determine the suitability of the land at the experimental garden of USU Tambunan A for oil palm (Elaeis guineensis Jacq.) and the remedial efforts that's needed to be done. This research was ...

• Uji Paket Teknologi dan Penggenangan Terhadap Produksi Kelapa Sawit (Elaeis guineensis Jacq.) di PT. Mopoli Raya 

  Siregar, Adonis Prabowo (Universitas Sumatera Utara, 2018)

  Acid sulphate land has the potential as agricultural land if managed properly and correctly. In general, acid sulphate land is formed on tidal land that has marine deposits. Therefore, it is necessary to do research to ...

• Populasi dan Persentase Serangan Bactrocera dorsalis (Diptera : Tephritidae) pada Tanaman Jeruk (Citrus sinensisL.) di Desa Bandar Meriah Kecamatan Munte Pasca Erupsi Gunung Sinabung 

  Silaen, Frederik Kennedy (Universitas Sumatera Utara, 2018)

  The eruption of volcanic ash from Mount Sinabung caused a decline in orange production by 30% and also caused a change in population and attacks on several major citrus pests, such as B. dorsalis. This research was aimed ...

• Hubungan Konsentrasi unsur Hara K Ca dan Mg Daun dengan Produksi Kopi Arabika 

  Purba, Arie Pebri (Universitas Sumatera Utara, 2018)

  Coffee is one of the agricultural commodities that have high economic value in increasing farmers' income. This research aims to find out the relationship between nutrient content of K Ca and Mg leaves and the production ...

• Pengaruh Pemberian Abu Vulkanik Sinabung dan Pupuk Kandang Ayam terhadap Sifat Kimia Tanah Sawah dan Produksi Tanaman Bawang Merah (Allium ascalonicum L.) 

  Malau, Samuel (Universitas Sumatera Utara, 2018)

  Tanah sawah merupakan tanah yang sangat penting di Indonesia karena merupakan sumber daya alam yang utama dalam produksi beras. Saat ini keberadaan tanah-tanah sawah subur beririgasi terancam punah oleh karna gencarnya ...

• Kajian Beberapa Sifat Fisika dan Kimia Tanah Ultisol pada Beberapa Vegetasi di Desa Amborokan Pane Raya Kecamatan Raya Kahean(Studi Kasus: Lahan Semi Kritis di Wilayah Sub DAS Sibarau) 

  Sihombing, Febri H M (Universitas Sumatera Utara, 2018)

  This research was conducted to analyze and determine characteristic of soil physical and soil chemical in critical land area at sub-watershed Sibarau Amborokan pane raya village, Raya Kahean by survey method randomly ...

• Uji Ketahanan Beberapa Varietas Padi Sawah Terhadap Hama Kepinding Tanah (Scotinophara coarctata) di Rumah Kasa 

  Purba, Annisa Audina (Universitas Sumatera Utara, 2018)

  This research was study to the most determine resistance of some varieties of black bug (S. coarctata). This research was conducted at the Laboratory of Pest and Screen House Faculty of Agriculture, University of Sumatera ...

• Pengaruh Jarak Tanam dan Waktu Penyiangan Gulma Terhadap Pertumbuhan dan Produksi Tanaman Bawang Merah (Allium ascalonicumL.) 

  Simarmata, Regina (Universitas Sumatera Utara, 2018)

  This research was conducted at the Gelugur Rimbun Tanjung Anom from field, Medan which ±25meter above sea level September to December 2017. The design use randomized block design with 2 factors treatment. The first factor ...

• Identifikasi Karakter Morfologis dan Hubungan Kekerabatan Tanaman Andaliman (zanthoxylum acanthopodium DC.) di Beberapa Kabupaten Sumatera Utara 

  Sitorus, Dani A. Christian (Universitas Sumatera Utara, 2018)

  This reserach aimed to identify the morphological chracteristics and phylogenetic relationship of andaliman in three districts of North Sumatra. The research was conducted at Tapanuli selatan, humbang hasundutan and toba ...

• Profil Molekuler Beberapa Origin Kelapa Sawit (Elaeis guineensis Jacq.) Menggunakan Marka RAPD (Random Amplified Polymorphism DNA) 

  Pasaribu, Sya’ban Pandapotan (Universitas Sumatera Utara, 2018)

  This study aims to obtain molecular profiles of several palm oil origin (E. guineensis) Germplasm of PT.Socfindo using RAPD markers (Random Amplified Polymorphic DNA) starting from May 2017 to May 2018. This research uses ...

• Pertumbuhan dan Produksi Tanaman Padi Merah (Oryza nivara L.) Terhadap Pemberian Dua Sumber Nitrogen 

  Nasution, Musdalifah (Universitas Sumatera Utara, 2018)

  In Indonesia, red rice still little get attention and little production. Beside, red rice have high nutrition. Variety redrice Inpari 24 Gabusan have high potention and have good adaption for plant on high ground till mid ...

• Respons Pemberian Pupuk Organik Cair Pertumbuhan dan Produksi Dua Varietas Pakcoy (Brassica rapa L.) 

  Parinduri, M. Arief (Universitas Sumatera Utara, 2018)

  Towards organic cultivation of pakcoy, fertilization is also required with organic ingredients for the growth and production of pakcoy. This study aimed to study the growth and production response of two varieties of pakcoy ...

• Respons Pertumbuhan Bibit Kakao (Theobroma cacaoL.) Terhadap Pemberian Kompos Ampas Teh dan Tongkol Jagung 

  Putra, Muhammad Rezeki Julham (Universitas Sumatera Utara, 2019)

  The aim of this research is to identified a cacao seedling to compost from tea pulp and corn cobs. Conducted at Faculty of Agriculture USU from June to September 2018, using randomized block design of two treatment factors ...

• Pengaruh Konsentrasi Pupuk Organik Cair dan Cara Aplikasinya Terhadap Ketersediaan dan Serapan NTanaman Sawi (Brassica junceaL.) pada Tanah Ultisol 

  Rahmayanti (Universitas Sumatera Utara, 2018)

  Giving liquid organic fertilizer and its application method in increasing soil pH of mustard plants on ultisol soil. This study aims to determine the effect of concentration of liquid organic fertilizer and its application ...

• Inventarisasi dan Identifikasi Tanaman Suweg (Amorphophallus sp.) di Kabupaten Langkat dan Deli Serdang 

  Pasaribu, Anggriani Oktavia (Universitas Sumatera Utara, 2018)

  The purpose of the research is to inventory and identify of suweg plant in Langkat and Deli Serdang districts. This research was conducted in Langkat and Deli Serdang Regencies In May 2017 until October 2017 with survey ...

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