Artikel dari Penerbit "University of Lampung"

Penerbit: University of Lampung

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Ditemukan 665 artikel.

Land Suitability Index for Estimating Sugar Cane Productivity in the Humid Tropics of South Sulawesi Indonesia

Oleh: Neswati, Risma, Lopulisa, Christianto, Nathan, Muhammad

This research was completed using mixed qualitative and quantitative methods. Field surveys were executed in sugar cane plantation throughout South Sulawesi Indonesia. Land suitability analyses were performed using a parametric approach with Storie’s index equation followed up with  corre...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 21 No. 2: May 2016; 115-122

Characteristic and Genesis of Black and Red Soil Vertisol in Jeneponto Regency

Oleh: Juita, Nirmala, Iskandar, ., Sudarsono, .

One of factors that is interasting from Vertisol to be investigated beside the management of the soil fertility was color variations which can vary from gray to brown and brownish red. Exclusive characteristics of Vertisol are shrink swell capacity with clay dominant clay that make agricultural acti...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 21 No. 2: May 2016; 123-128

Ecological Value Of Soil Organic Matter (SOM) at Tropical Evergreen Aglaia-Streblus Forest of Meru Betiri National Park, East Java, Indonesia

Oleh: Sulistiyowati, Hari, Winarso, Sugeng, Macandog, Damasa

As part of carbon pools, forest soil stores soil organic matter (SOM) that contains many elements including organic C, N, P, and K. These elements contribute nutrients for biogeochemical cycles within the ecosystem. This study was done to determine the ecological value of forest soil organic matter ...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 21 No. 3: September 2016; 129-140

Improving Soil Properties and Yield of Corn (Zea Mays L.) by Application of Organic Amendment on Abandoned Tin-Mining Land in Bangka Island

Oleh: Asmarhansyah, .

An abandoned land after tin-mining activities are degraded lands with undulating and destructed land scape and low soil fertility status. The objective of this study was to determine the effects of organic amendments on the soil properties, growth, and grain yield of corn (Zea mays L.) on abandoned ...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 21 No. 3: September 2016; 141-151

Utilization of Natural Zeolites as Cu (Ii) and Zn (Ii) Adsorbent

Oleh: Dewi, Evi Mutiara, Suwardi, ., Suryaningtyas, Dyah Tjahyandari

This research was aimed to determine the differences of physical and chemical characteristics from three natural zeolites from Tasikmalaya, Bayah and Lampung areas and to examine the characteristics of the natural zeolite adsorption capability to the micro-nutrients. The zeolite characterization ana...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 21 No. 3: September 2016; 153-160

Quality Improvement of Compost from Empty Oil Palm Fruit Bunch by the Addition of Boiler Ash and its effect on Chemical Properties of Ultisols and the Production of Mustard (Brassica juncea L.)

Oleh: Mulyani, Sri, Suryaningtyas, Dyah Tjahyandari, Suwardi, .

Productions of crude palm oil (CPO) produce waste which include the empty oil palm fruit bunch (EOPFB), palm oil mill effluent, shells, and fiber. The combustions of shell and fiber as boiler feed produce waste in the form of boiler ash. Boiler ash is very potential to use as an additive to improve ...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 21 No. 3: September 2016; 161-169

Litter and Soil Carbon Stock in Cultivated and Natural Area of Intergrated Forest for Conservation Education of Wan Abdul Rachman Great Forest Park

Oleh: Ellannia, Leoni Dellta, Setiawan, Agus, Niswati, Ainin

Intergrated Forest for Conservation Education of Wan Abdul Rachman (IFCE WAR) Great Forest Park is a conservation forest zone which has natural area and cultivated area.  The natural area in Wan Abdul Rachman Great Forest Park consists of secondary forest, whereas the cultivated area consists o...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 21 No. 3: September 2016; 171-178

Interaction of Paddy Varieties and Compost with Flux of Methane in Tidal Swampland

Oleh: Abduh, Andin Muhammad, Annisa, Wahida

Varieties and organic materials have a very important role to the flux of methane (CH4) on paddy cultivation, especially on wetlands. Purpose of this research to determine the amount of methane emissions that released from paddy cultivation in acid sulphate soils with the use of different varieties ...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 21 No. 3: September 2016; 179-186

Land Suitability and Proposed Land Utilization of Selaru Island, West Southeast Moluccas Regency for Development Food Crops

Oleh: Sirappa, Marthen Pasang, Waas, Edwen Donald, Susanto, Andriko Noto

The study was conducted in Selaru Island, West Southeast Moluccas Regency in an area of   32,217 ha. The research objective was to determine the land suitability and proposed land utilization of Selaru Island for development of food crops. The results showed that Selaru Island has a rather...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 21 No. 3: September 2016; 187-196

Calibration of Soil Phosphorus Test for Upland Rice Grown on Typic Kandiudox, Way Pangubuan, Lampung

Oleh: Sutriadi, Mas Teddy, Setyorini, Diah, Nursyamsi, Dedi

Calibration of soil P test was conducted for Typic Kandiudox derived from Way Pangubuan, Lampung. A field experiment was carried out in dry and wet seasons. The dry season experiment in 2013 was designed by applying various soil P status: 0 X (very low), ¼ X (low), ½ X (medium), ¾ X (high),...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 23 No. 2: May 2018; 81-89

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