Artikel dari Penerbit "University of Lampung"

Ditemukan 665 artikel.


Penentuan Kurva Retensi Air Tanah Laboratorium dengan Sensor Resistensi dan Kapasitansi

Oleh: Bowo, Cahyoadi, Hasan, Mohammad, Marhaenanto, Bambang

A soil water retention curve determination method is developed based on the use of gipsblock and capacitance sensors. The objective of the research was to provide a simple and quick method in characterization of soil water retention in the laboratory based on resistance and capacitance sensors. Undi...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 14 No. 1: January 2009; 57-64

Population of Rhizobium bacteria in the soil at several plant from Buton island, Muna regency, Southeast Sulawesi

Oleh: Purwaningsih, Sri

The research was conducted in order to know population of Rhizobium bacteria in the soil at several plant from Buton island, Muna regency, Southeast Sulawesi. The purpose of the study was to get the population data and pure cultures of Rhizobium bacteria.Rhizobium bacteria were isolated from 13 samp...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 14 No. 1: January 2009; 65-70

Pemanfaatan Bakteri Selulolitik dan Xilanolitik yang Potensial untuk Dekomposisi Jerami Padi

Oleh: Nur, Hasrul Satria, Meryandini, Anja, Hamim, .

There were 3 prospective isolates of cellulolytic bacteria resulted from the total of 31 isolates we found, i.e. C4-4, C5-1, and C11-1.  Four combinations of bacteria including C4-4 + Xilanolytic (A), C5-1 + Xilanolytic (B), C11-1 + Xilanolytic (C), 45I-3 + 234P-16 (D), and control (E, without ba...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 14 No. 1: January 2009; 71-80

Digital Analyses of Landsat ETM+ for Identify Agroforestry System in Riau

Oleh: Nasrul, Besri, Idwar, .

The objectives were to identify land characteristics of agroforestry system that influencing its benefit value, and to compile criteria of site specific. Location were identified by the Landsat 7 ETM+ that designed in the landuse utilization type: rubber agroforestry is identified by cyan old (RGB p...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 14 No. 1: January 2009; 81-87

The Relationship between Phosphate Adsorption and Soil Organic Carbon from Organic Matter Addition

Oleh: Yusran, Fadly Hairannoor

The Relationship between Phosphate Adsorption and Soil Organic Carbon from Organic Matter Addition (FH Yusran): The application of organic matter (OM) can increase soil phosphorus (P) availability via soil mineralisation. In lateritic soils, however, soluble organic carbon (OC) from OM may also redu...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 15 No. 1: January 2010; 1-10

Effect of Coated Urea with Humic-Calcium on Transformation of Nitrogen in Coastal Sandy Soil: A Soil Column Method

Oleh: Sulakhudin, Sulakhudin, Syukur, Abdul, Shiddieq, Dja'far

Effect of Coated Urea with Humic-Calcium on Transformation of Nitrogen in Coastal Sandy Soil: A Soil Column Method (Sulakhudin, A  Syukur, D  Shiddieq and T  Yuwono):  In coastal sandy soil, mainly nitrogen losses due to leaching resulted to low fertilizer efficiency. Slow-release N fert...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 15 No. 1: January 2010; 11-18

Aluminum Detoxification by Humic Substance Extracted from Compost of Organic Wastes

Oleh: Winarso, Sugeng, Handayanto, Eko, Taufiq, Abdullah

Aluminum Detoxification by Humic Substance Extracted from Compost of Organic Wastes (S Winarso, E Handayanto and A Taufiq):  Humic substance could control the activity of metal as well as exchangeable aluminum (Alexch) on acid soil. The humic substance extracted from compost of agricultural waste...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 15 No. 1: January 2010; 19-24

Effect of Organic Matter Amendment on Lead Contamination in Roadside Soil and Plant

Oleh: Sabaruddin, Sabaruddin, Budianta, Dedik, Mardia, Mardia

Lad Contamination in Roadside Soil and Plant and Effect of Organic Matter Amendment (Sabaruddin, D Budianta and Mardia):  Roadside soils and plants may be the most important sink of lead (Pb).  It has been widely known that soil organic matter (SOM) plays important roles in determining concent...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 15 No. 1: January 2010; 25-32

Extreme High Yield of Tropical Rice Grown Without Fertilizer on Acid Sulfate Soil in South Kalimantan, Indonesia

Oleh: Purnomo, Erry, Hashidoko, Yasuyuki, Hasegawa, Toshihiro

Extreme High Yield of Tropical Rice Grown Without Fertilizer on Acid Sulfate Soil in South Kalimantan, Indonesia (E Purnomo, Y Hashidoko, T Hasegawa and M Osaki): Local rice arieties are commonly grown by the farmers located in acid sulfate soil area of South Kalimantan. In South Kalimantan, more th...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 15 No. 1: January 2010; 33-38

Assessing Biodegradation Susceptibilities of Selected Petroleum Hydrocarbons at Contaminated Soils

Oleh: Langsa, Markus Heryanto

Assessing Biodegradation Susceptibilities of Selected Petroleum Hydrocarbons at Contaminated Soils (M.H. Langsa): The susceptibility to biodegradation of selected saturated hydrocarbons (SHCs), polycyclic aromatic hydrocarbons (PAHs) and asphaltenes in a Barrow crude oil and extracts isolated from s...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 15 No. 1: January 2010; 39-47