Artikel dari Penerbit "University of Lampung"

Penerbit: University of Lampung

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Ditemukan 665 artikel.

Application of a Multispectral SPOT Image for Land Use Classification in Sampean Watershed

Oleh: Irawan, Januar Fery, Indarto, .

This article described the process of land use classification at Sampean Watershed. The research was conducted in Sampean watershed to calculate the land use area using a multispectral SPOT image. Two SPOT image scenes were used to identify and classify the main nomenclature of land use. The researc...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 16 No. 2: May 2011; 176-181

Adding Organic Matter Enhanced the Effectiveness of Silicate Rock Fertilizer for Food Crops Grown on Nutritionally Disorder Soils: A Glasshouse Assessment

Oleh: Priyono, Joko, Arifin, Zaenal

A glasshouse experiment was carried to identify effects of the application rate of ground silicate rock as a multinutrientfertilizer (SRF) with and without organic matter (OM) on growth and nutrient status of food crops (rice,corn, and soybean). Those crops were grown on 3 different soils in 2 cropp...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 17 No. 2: May 2012; 97-104

Greenhouse Gas Emissions from Peat Soils Cultivated to Rice Field, Oil Palm and Vegetable

Oleh: Hadi, Abdul, Affandi, Dedi Nursyamsi, Bakar, Rosenani Abu

Presently, about 20% of oil palm (Elaeis guineensis Jacq) fields in Indonesia are on peat soil, in addition to that otherarea of peat soil has been conventionally used for rice field and vegetables. To elucidate the global warmingpotentials of peat soils cultivated to oil palm, vegetable or rice fie...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 17 No. 2: May 2012; 105-114

Nutrient Removal by Rice Cultivated in Newly Opened Wetland Rice in Bulungan District, East Kalimantan

Oleh: Sukristiyonubowo, ., Nugroho, Kusumo, Vadari, Tagus

Highly weathered Indonesian soils and potential acid sulphate soils are mainly granted for developing newlyopened wetland rice field to meet rice growing demand in Indonesia. Nutrient removal by rice harvest product ofCiliwung variety planted in newly opened wetland rice was studied in Bulungan Dist...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 17 No. 2: May 2012; 115-120

Optimum Ratio of Fresh Manure and Grain Size of Phosphate Rock Mixture in a Formulated Compost for Organomineral NP Fertilizer

Oleh: Nugroho, Sutopo Ghani, Dermiyati, ., Lumbanraja, Jamalam

The objective of multi years study was to formulate an alternative organic based fertilizer by mixing a fresh manureand phosphate rock with several different grain sizes conducted in the Field Experimental Station of the Universityof Lampung. Both materials of the fresh manure and phosphate rock wer...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 17 No. 2: May 2012; 121-128

Studies on Nutrient Release Pattern of Neem Fortified Cocoa Pod Husk Fertilizer in an Alfisol

Oleh: Ogunwole, Ogunlade Moses, Adeoye, Gideon Olajire, Ogeh, Joseph Sunday

A laboratory experiment was carried out at Cocoa Research Institute of Nigeria, Ibadan to evaluate the nutrientrelease pattern of neem fortified cocoa pod husk developed for use as organic fertilizer materials. Cocoa Pod Husk(CPH), Neem Leaf (NL), Neem Seed (NS), CPH + NL (90:10), CPH + NL (80:20), ...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 17 No. 2: May 2012; 129-134

Application of Organic Fertilizer Tithonia Plus to Control Iron Toxicity and Reduce Commercial Fertilizer Application on New Paddy Field

Oleh: Hakim, Nurhajati, ., Agustian, Mala, Yanti

Ferrous toxicity is a one of the problems most often found in lowland rice systems in tropical and sub-tropical regionespecially in new paddy field (NPF) on Ultisols and Oxisols. Flooding during rice growth creates a chemicallyreduced state in soils causing reduction of insoluble (Fe3+) to soluble (...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 17 No. 2: May 2012; 135-142

Response of Peanut due to Application of Dolomite Plus

Oleh: Sutriadi, Mas Teddy, Setyorini, Diah

Most developing areal for peanut crop (Arachis hoypogeae) is upland, that is dominated by parent soil and has acidcharacteristis. Main constraints for this soil are pH and low soil productivity. Dolomite plus is a dolomite ameliorant,with phosphate nutrient. The dolomite plus beside as the amelioran...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 17 No. 2: May 2012; 143-150

Application of Rice Straw and Tithonia for Increasing Fertilizer Use Efficiency on Paddy Soil

Oleh: Gusnidar, ., Yasin, Syafrimen, Burbey, .

The research was aimed to obtain a combination of rice straw (S) and tithonia (Tithonia diversifolia) (T) to increasechemical fertilizers use efficiency (FUE) on paddy soil which was conducted in Sicincin, Padang Pariaman Regencyin 2008. The experiment consisted of 8 treatments (A= recommendation in...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 17 No. 2: May 2012; 151-156

Application of Bokashi Botom Ash for Increasing Upland Rice Yield and Decreasing Grain Pb Content in Vitric Hapludans

Oleh: Sondari, Nunung, Nurkhalidah, Ervina Siti

Greenhouse experiment was conducted at Agricultural Faculty of Winaya Mukti University Tanjungsari SumedangRegency, from May to October 2009. The objective of this experiment was to study the effect of bokashi bottom ashon the growth, yield, and Pb content of upland rice. The experiment used a Rando...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 17 No. 2: May 2012; 157-163

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