Artikel dari Penerbit "University of Lampung"

Penerbit: University of Lampung

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Ditemukan 665 artikel.

Utilization of Rice Husk ash and Bamboo Leaf for Increasing Si for Rice Production on Paddy Soil

Oleh: Suryono, Suryono, Suwarto, Suwarto, Farohi, Ima

Silicate is an important  nutrient element  for rice plants. Rice is a plant that absorbs Si in large quantities. The low Si content in paddy fields is caused by intensive rice cultivation practices. Ash husk rice and bamboo leaves are materials that have a high silicate content so that the ad...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 24 No. 2: May 2019; 65-71

Upland Rice Growth after Low-Input Amendments on Upland Soil in West Kalimantan, Indonesia

Oleh: Gafur, Sutarman, Umran, Ismahan

Upland soils in West Kalimantan used for agricultural activities reach about 483,077 hectares. However, this land potential is not yet optimally exploited due to poor soil fertility. To increase its productivity, there is a need to invent technology packages that are not only effective but also effi...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 24 No. 3: September 2019; 119-128

Soil Layers Properties of a Profile Developed on the Past Depositional Series on Merbabu Volcano Central Java Indonesia

Oleh: Nurcholis, Mohammad, Herlambang, Susila, Suwartikaningsih, Sri Aminah

A wide and deep soil profile (around 1200 cm) was observed at Ketep Park West Slope of Merbabu volcano Central Java, Indonesia to identify the soil morphology, physical and, chemical and mineralogical properties.  Results showed that several soil development processes occurred in each volcanic de...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 24 No. 2: May 2019; 53-63

Characterization and Classification of Soils from Different Topographic Positions under Sugarcane Plantation in South Sulawesi, Indonesia

Oleh: Neswati, Risma, Lopulisa, Christianto, Adzima, Ahmad Faudzan

The varied topography will influence the soil formation. This study aims to characterize and classify the soil selected on different topography positions of the sugarcane plantation area. The research was conducted in sugarcane plantation area of Camming, District of Bone, South Sulawesi, which was ...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 24 No. 2: May 2019; 93-100

Vermicast of Earthworm as Ecosystem Engineers within Different Vermireactor Shape

Oleh: Kilowasid, Laode Muhammad Harjoni, Sanjaya, Muhammad Fahyu, Rakian, Tresjia Corina

Earthworms as ecosystem engineers can modify the quality of vermibed assembled from mixed soil with organic material in a vermireactor. Various in shapes of the vermireactor are used to produce a vermicast for biofertilizer in agriculture. The objective of this research was to study the vermicast pr...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 25 No. 2: May 2020; 83-92

Mitigation Scenario for Reducing Greenhouse Gas Emission from Rice Field by Water Management and Rice Cultivars

Oleh: Pramono, Ali, Adriany, Terry Ayu, Susilawati, Helena Lina

Rice production is a significant anthropogenic source of methane (CH4) and nitrous oxide (N2O), two important greenhouse gases (GHGs). Several strategies for reducing GHGs emissions from paddy fields are water management and the use of low emission rice cultivars. The purpose of this study was to de...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 25 No. 2: May 2020; 53-60

Texture and Chemical Properties of Two Depth Soils in a Toposequence of Anak Krakatau Before December 2018 Eruption

Oleh: Setiawati, Astriana Rahmi, Lumbanraja, Jamalam, Nurul Aini, Septi

Anak Krakatau volcano is one of the famous volcanic mountains located in the sea to the south part of the Province of Lampung, Indonesia. The volcano was derived from the active Krakatau caldera that first appeared on the surface in 1930 or 47 years after the eruption of Krakatau in 1883. The materi...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 25 No. 2: May 2020; 71-81

An Evaluation of MODIS Global Evapotranspiration Product as Satellite-Based Evapotranspiration Data for Supporting Precision Agriculture in West Papua - Indonesia

Oleh: Faisol, Arif, Indarto, Indarto, Novita, Elida

Precision Agriculture has been a significant issue since the middle of the 1980s. Evapotranspiration is one of the main parameters in precision agriculture to analyze real water needs in the agriculture area and managing water resources. Traditionally evapotranspiration estimates by directly measure...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 26 No. 1: January 2021; 43-49

The Potential of Potassium Fertilizers in Improving the Availability and Uptake of Potassium in Rice Grown on Entisol

Oleh: Hartati, Sri, Suryono, ., Purnama, Lia Sari

Entisol is a marginal soil spreading over some areas in Indonesia. It has loose soil consistency, low aggregation rates, sensitive to erosion, and low nutrient content. Entisol has high K deficiency.  Potassium plays an important role in rice growth (Oryza sativa). The aim of the research was to ...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 24 No. 2: May 2019; 83-91

Improvement of Soil Chemical Properties and Growth of Maize due to Biochar Application on Ultisol

Oleh: Taisa, Rianida, Maulida, Desi, Salam, Abdul Kadir

Ultisols have poor soil characteristics, yet biochar is one of the technologies that can be applied as a soil enhancer to improve the soil quality. Biochar has succeeded in improving soil quality, through improving soil physical, chemical, and biological properties. This research aimed to improve th...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 24 No. 3: September 2019; 101-107

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