Artikel dari Penerbit "University of Lampung"

Penerbit: University of Lampung

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Ditemukan 665 artikel.

Recharge Area on the Slopes of Volcano Based on Geological Setting, Content of Deuterium and Oxigen Isotopes of Groundwater Chemistry: Case Study on the Slopes of Salak Mountain, West Java

Oleh: Hendarmawan, ., Satrio, .

Indonesian is huge areas that have the highest precipitation in the world, therefore water deficit of groundwater is   often happened at anywhere. This study was related to determination of recharge area with approached by combining geological setting, stable isotopes and chemictry content of ...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 16 No. 3: September 2011; 245-256

Choosing Different Contour Interval on a Fully Raster-Based Erosion Modeling: Case Study at Merawu Watershed, Banjarnegara, Central Java

Oleh: Sulistyo, Bambang

The research was aimed to study the efect of choosing different contour interval to produce Digital Elevation Model on a fully raster-based erosion modeling of The Universal Soil Loss Equation using remote sensing data and a geographical information system technique.  Methods were applied by anal...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 16 No. 3: September 2011; 257-266

Development and Rainfed Paddy Soils Potency Derived from Lacustrine Material in Paguyaman, Gorontalo

Oleh: Nurdin, .

Rainfed paddy soils that are derived from lacustrine and include of E4 agroclimatic zone have many unique properties and potentially for paddy and corn plantations. This sreseach was aimed to: (1) study the soil development of rainfed paddy soils derived from lacustrine and (2) evaluate rainfed padd...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 16 No. 3: September 2011; 267-278

Mycorrhiza Enhanced Protein and Lipid Contents of Potatoes Grown on Inceptisol with Addition of Organic Matter

Oleh: Nurbaity, Anne, Uratel, Glenn Christopher, Hamdani, Jajang Sauman

Enhancement of productivity of potato plants grown on poor-P soil such as Inceptisols due to application of arbuscular mycorrhizal fungi (AMF) has been acknowledged. However, whether this AMF improved the quality of potato tubers is still need further investigation. This study was conducted to evalu...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 24 No. 3: September 2019; 129-133

Soil Development from Volcanic Ash Based on Different Pyroclastic Composition

Oleh: Ahmad, Asmita, Solle, Muchtar Salam, Lopulisa, Christianto

Potential volcano in several provinces in Indonesia played a significant role in the formation and quality of soil development. Soils that developed from the volcanic ashes often thought to contribute greatly to improve soil fertility, without regard to the nature and composition of the volcanic ash...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 24 No. 3: September 2019; 135-140

Dynamics of pH, Ferrum and Mangan, and Phosphorus on Newly Opened Paddy Soil having High Soil Organic Matter on Rice Growth

Oleh: Widowati, Ladiyani Retno, Sukristyonubowo, .

Research had been carried out at the Research and Soil Testing Laboratory and Greenhouse of Soil Research Institute, Bogor using newly opened paddy soil from Pesisir Selatan districts, West Sumatra (one year old). Total treatments tested were 12 which were combination of farmer rate, NPK recommendat...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 1-8

Humic Acid and Water Management to Decrease Ferro (Fe2+) Solution and Increase Productivity of Established New Rice Field

Oleh: Herviyanti, ., Prasetyo, Teguh Budi, Ahmad, Fachri

The purpose of this research was to gain a technological breakthrough in controlling Fe toxicity (Fe2+) on Ultisol in a new established rice field by using humic acid from rice straw compost and water management, so that optimal production of rice plants could be achieved. The experiment was designe...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 9-17

The Leaching of Iron and Loss of Phosphate in Acid Sulphate Soil Due to Rice Straw and Phosphate Fertilizer Application

Oleh: Fahmi, Arifin, Radjagukguk, Bostang, Purwanto, Benito Heru

Low phosphorus (P) availability and high iron (Fe) concentration are the dominant characteristics of acid sulphate soils (ASS).  Optimum agricultural management practices are required to leach the excess Fe2+  and to prevent or minimize loss of P from the soil in order to obtain conditions fav...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 19-24

Application of Rice Straw Compost with Different Bioactivators on the Growth and Yield of Rice Plant

Oleh: Barus, Yunita

Turnover of organic matters to the soil can increase the efficiency of chemical fertilizers, improve the plant growth and sustain the environment. Field experiment was carried out in the Buyut Udik Village, Gunung Sugih District, Central Lampung from May to August 2009.  Rice straw was composted ...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 25-29

Enhanced Soil Chemical Properties and Rice Yield in Acid Sulphate Soil by Application of Rice Straw

Oleh: Nurzakiah, Siti, Indrayati, Linda, Nurita, .

Swampland development such as acid sulphate soil for agricultural cultivation has various problem, including high soil acidity, fluctuated and unpredictable water flooding and the presence of toxic elements such as Fe which resulting in low crop yields. The research was conducted at the experimental...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 31-36

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