Artikel dari Penerbit "University of Lampung"

Ditemukan 665 artikel.


Site Specific Nutrient Management for Maize on Ultisols Lampung

Oleh: Murni, Andarias Makka, Pasuquin, Julie Mae, Witt, Christian

Site Specific Nutrient Management  for Maize on Ultisols Lampung (A M Murni, JM Pasuquin, and C Witt): Lampung is the third major maize producing province in Indonesia after East Java and Central Java. In Lampung maize is cultivated mainly in upland areas with ultisols and only some cultivated on...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 15 No. 1: January 2010; 49-54

Characteristics and Stocks of Soil Nutrient under Various Land Use Types in a Super Wet Tropical Rain Forest Padang, West Sumatra

Oleh: Hermansah, Hermansah, Sendi, Nofrita, Yulnafatmawita, Yulnafatmawita

In order to clarify the characteristics and stocks of soil nutrient under various land use types in a super wet tropical rain forest in Padang, West Sumatera. We investigated the nutrient characteristics of the several samples of soils under different land use such as cacao plantation (CP), cinnamon...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 15 No. 1: January 2010; 55-62

Microclimate of Developed Peatland of the Mega Rice Project in Central Kalimantan

Oleh: Jaya, Adi, Inoue, Takashi, Limin, Suwido Hester

Microclimate of Developed Peatland of The Mega Rice Project in Central Kalimantan (A Jaya,T Inoue, SH Limin, U Darung and IS Banuwa): In Indonesia peatland covers an area of 16 to 27 Mha and this ecosystem is vitally linked to environmental and conservation issues, as well as its economic value for ...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 15 No. 1: January 2010; 63-71

Land Characteristics of Batang Pelepat Watershed in Bungo District, Jambi

Oleh: Sunarti, Sunarti

Land Characteristics of Batang Pelepat Watershed In Bungo District, Jambi (Sunarti): Land characteristics describe biophysics characteristics of watershed. But, land has been used for economic oriented. The objective of this research is to identify land characteristics of Batang Pelepat watershed. D...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 15 No. 1: January 2010; 73-82

Tropical Volcanic Soils From Flores Island, Indonesia

Oleh: Hikmatullah, Hikmatullah, Nugroho, Kesumo

Tropical Volcanic Soils from Flores Island, Indonesia (Hikmatullah and K Nugroho): Soils that are developed in tropical region with volcanic parent materials have many unique properties, and high potential for agricultural use. The purpose of this study is to characterize the soils developed on volc...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 15 No. 1: January 2010; 83-93

CO2 Emissions from Tropical Peat Soil Affected by Fertilization

Oleh: Husnain, ., Sipahutar, Ibrahim Adamy, Purnomo, Joko

The conversion of peat soils to agricultural uses has been thought to increase CO2 emission due to several factors, including fertilization. However, evidence on the effect of fertilization on CO2emissionsfrompeat soils is rareand often inconsistence. We measured the effects of different types of fe...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 22 No. 1: January 2017; 1-9

Effectivity of Soil Amelioration on Peat Soil and Rice Productivity

Oleh: Septiyana, ., Sutandi, Atang, Indriyati, Lilik Tri

Peat soil amelioration has important role on improvement of soil peat fertility such as  on increasing soil pH,  reducing organic acid and toxic ions, and also increasing nutrients availability.  Soil amelioration with polyvalent cations (Fe Al Cu Zn) namely slag, lateritic soils, and river...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 22 No. 1: January 2017; 11-20

Restoration of Soil Physical and Chemical Properties of Abandoned Tin- Mining in Bangka Belitung Islands

Oleh: Yuarsah, Ishak, Handayani, Etik Puji, Rakhmiati, .

The practices of tin mining which removing all layers of soil on deposits of minerals caused the seriously environmental problems, i.e degradation of physical and chemical soil, disappearance of vegetation, flora and fauna in ecosystems that changed the microclimate. In the tailings area of tin mini...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 22 No. 1: January 2017; 21-28

Study of Root Exudate Organic Acids and Microbial Population in the Rhizosphere of Oil Palm Seedling

Oleh: Anandyawati, ., Sumarsih, Enok, Nugroho, Budi

Mutual interaction between plants and microbes occured in the rhizosphere is expected to increase productivity of crops or soil fertility for agriculture. Plants excrete root exudates to attract microbes, and then microbes obtain habitat and food supply from plants and can fulfill the nutrient requi...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 22 No. 1: January 2017; 29-36

Activity of Soil Microorganisms During the Growth of Sweet Corn (Zea Mays Saccharata Sturt) in the Second Planting Time with the Application of Fertilizers and Biochar

Oleh: Dermiyati, ., Karyanto, Agus, Niswati, Ainin

Efforts to increase the production of sweet corn can be done with the application of fertilizers, either inorganic, organic orits combination. In addition, the application of soil amendments such as biochar is also expected to improve soil fertility that will indirectly increase the production of sw...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 22 No. 1: January 2017; 37-45