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Soil Chemical and Biological Characteristics for Diagnostic the Potency of Acid Dry Land for Soybean Extensification
Oleh: Prihastuti, ., Sudaryono, .
The descriptive explored study was conducted in districts Bumi Nabung, Sari Bakti, Seputih Banyak and Rumbia, Central Lampung, Indonesia. The parameters observed consisted of chemical and biological aspects of soil, which directly affected plant growth. This activity was carried out as preliminary s...
Penerbit: UNIVERSITY OF LAMPUNG • Publikasi: 19 March 2013
Growth and Yield of Rice Plant by the Applications of River Sand, Coconut and Banana Coir in Ustic Endoaquert
Oleh: Nurdin, ., Zakaria, Fauzan
The research aimed to study effect the application of river sand (RS), coconut coir (CC), and banana coir (BC) on growth and yield of rice (Oryza sativa L.) in Ustic Endoaquert. The research was carried out in a green house using 3 × 3 × 3 factorial design. The RS factor consists of three tr...
Penerbit: UNIVERSITY OF LAMPUNG • Publikasi: 19 March 2013
Fresh Organic Matter Application to Improve Aggregate Stability of Ultisols under Wet Tropical Region
Oleh: Yulnafatmawita, ., Anggriani, Febrian
Ultisol as a marginal soil has become ‘a hope’ by farmers in Indonesia due to land use change, lately. However, the soil is susceptible to degradation since it has low soil aggregate stability (SAS) as affected by low soil organic matter (SOM) content. A pot trial about application of f...
Penerbit: UNIVERSITY OF LAMPUNG • Publikasi: 19 March 2013
The Role of Indigenous Mycorrhiza in Combination with Cattle Manure in Improving Maize Yield (Zea Mays L) on Sandy Loam of Northern Lombok, Eastern of Indonesia
Oleh: Astiko, Wahyu, Sastrahidayat, Ika Rochdjatun, Djauhari, Syamsuddin
A glass house study was conducted to evaluate the contribution of indigenous arbuscular mycorrhiza fungi (AMF) in improving maize yield grown on sandy loam of Northern Lombok. The package of organic fertilizers treatments were tested including: without inoculation of mycorrhiza, inoculation mycorrhi...
Penerbit: UNIVERSITY OF LAMPUNG • Publikasi: 19 March 2013
Coal Waste Powder Amendment and Arbuscular Mycorrhizal Fungi Enhance the Growth of Jabon (Anthocephalus cadamba Miq) Seedling in Ultisol Soil Medium
Oleh: Budi, Sri Wilarso, Christina, Fiona
Coal powder waste application on low nutrient media is expected to be able to increase plant growth and to improve Arbuscular mycorrhizal fungi (AMF) development. The objective of this research was to determine the effect of coal waste powder on the growth of Anthocephallus cadamba Jack and AMF deve...
Penerbit: UNIVERSITY OF LAMPUNG • Publikasi: 19 March 2013
Inoculation Effect of N2-Fixer and P-Solubilizer into a Mixture of Fresh Manure and Phosphate Rock Formulated as Organonitrofos Fertilizer on Bacterial and Fungal Populations
Oleh: Nugroho, Sutopo Ghani, Dermiyati, ., Lumbanraja, Jamalam
Microbial N2-fixer and P-solubilizer were innoculated in a mixture of fresh manure and phosphate rock formulated as an Organonitrophos fertilizer. The population dynamics of bacteria and fungi growing during the composting process were observed. The inoculation treatments consisted of: K = mixture o...
Penerbit: UNIVERSITY OF LAMPUNG • Publikasi: 19 March 2013
Assessment Erosion 3D Hazard with USLE and Surfer Tool: A Case Study of Sumani Watershed in West Sumatra Indonesia
Oleh: Aflizar, ., Afrizal, Roni, Masunaga, Tsugiyuki
Quantitative evaluation of soil erosion rate is an important basic to investigate and improve land use system, which has not been sufficiently conducted in Indonesia. The Universal Soil Loss Equation (USLE) and Erosion Three Dimension (E3D) in Surfer were used to identify characteristic of domin...
Penerbit: UNIVERSITY OF LAMPUNG • Publikasi: 19 March 2013
Ameliorant Application on Variation of Carbon Stock and Ash Content on Peatland South Kalimantan
Oleh: Nurzakiah, Siti, Agus, Fahmuddin, Syahbuddin, Haris
Carbon stock on peatlands are large and will be easily emitted if the land is opened or drained, therefore the measurements of carbon stocks and ash content are important to know the amount of emissions and agricultural sustainability in peatlands. This study aimed to determine carbon stock and ...
Penerbit: UNIVERSITY OF LAMPUNG • Publikasi: 11 March 2013
Pemanfaatan Hukum Snellius sebagai Dasar Alat Ukur Indeks Bias Dan Viskositas Larutan Garam Berbasis Mikrokontroler AVR ATMega8535
Oleh: Apriyanto, Donni Kis, Pauzi, Gurum Ahmad, Warsito, Warsito
Telah direalisasikan sebuah alat pengukur indeks bias larutan yang sekaligus menampilkan nilai viskositasnya dengan menerapkan hukum Snellius dengan tampilan LCD. Alat tersebut terdiri dari sensor LDR, potensiometer multiturn, motor stepper, mikrokontroler ATMega 8535 dan LCD 16x2. Proses kerja alat...
Penerbit: Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung • Publikasi: 08 March 2013
Rancang Bangun Sensor Extensometer Elektris sebagai Pendeteksi Pergeseran Permukaan Tanah dan Sistem Akuisisi Data pada Komputer
Oleh: Lisnawati, Lisnawati, Suciyati, Sri Wahyu, Warsito, Warsito
Tanah longsor merupakan bencana yang sering terjadi di Indonesia. Bencana ini perlu antisipasi melalui monitoring daerah rawan dengan pengembangan sistem instrumentasi. Sensor extensometer elektris dibuat dengan sistem akuisisi data pada komputer melalui jalur komunikasi serial USB. Extensometer yai...
Penerbit: Department of Physics, Faculty of Mathematics and Natural Sciences, University of Lampung • Publikasi: 08 March 2013