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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