Artikel dari Penerbit "University of Lampung"

Penerbit: University of Lampung

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Ditemukan 665 artikel.

Soil Chemical Characteristics of Organic and Conventional Agriculture

Oleh: Aziz, Muhammad Abdul, Hazra, Fahrizal, Salma, Selly

Use of chemical fertilizers and pesticides on intensive land of both lowland and upland food crops have been shown to increase agricultural productivity significantly. Research aimed to study soil chemical characteristics and soil pesticide residues at some crops of organic and conventional farms. T...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 21 No. 1: January 2016; 19-25

Characterization of Several Paddy Soil Types in Bogor, West Java, Indonesia

Oleh: Kurniati, ., Sudarsono, ., Suwardi, .

Paddy soil has different morphology and pedogenic characteristics compared to dry land, due to the influence of inundation during several months in a year. Puddling and drying that occurs in turns (redox cycle) in paddy soil can lead to the formation of concretions or rusty Fe and Mn. The main purpo...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 21 No. 1: January 2016; 27-32

Utilizing Cocoa Rind as Organic Fertilizer to Support Sustainable Agriculture

Oleh: Chaniago, Ramadhani, Ramlan, Winarto

The main key in choosing manure is the level of ripeness, the ratio of Carbon and Nitrogen (C/N) and the Nitrogen, Phosphorus, Potassium (NPPt) contents. So far, the farmers have not effectively utilized organic materials as fertilizers in agricultural lands. Organic materials which can be used incl...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 21 No. 1: January 2016; 33-39

Water Management “Tabat System” in Carbon Dioxide Mitigation and Vulnerability to Fire On Peatland

Oleh: Nurzakiah, Siti, Nurita, ., Nursyamsi, Dedi

The conservation measures of peat or peat maintain under natural conditions many proposed to address the increase in carbon emissions from land use change and efforts to minimize of fire, but it can not entirely implemented due to peat land has the potential for development of the agricultural commo...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 21 No. 1: January 2016; 41-47

Geochemical Investigation of Selected Elements in an Agricultural Soil: Case Study in Sumani Watershed West Sumatera in Indonesia

Oleh: Aflizar, ., Muzakkir, ., Afrizal, Roni

This paper presents the geochemical study of agricultural soil and river sediments along Sumani watershed, West Sumatra in Indonesia. We examined the distribution and abundances of 16 elements (Pb, Zn, Cu, Ni, Cr,V, Sr, Rb, Ce, Th, Zr, Si, Ti, Fe Ca, and P) in vegetable soil, sawah soil =and river s...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 21 No. 1: January 2016; 49-66

Nitrogen Dynamics and Nitrate Leaching in Intensive Vegetable Rotations in Highlands of Central Java, Indonesia

Oleh: Widowati, Ladiyani Retno, Neve, Stefaan De

High rainfall intensity is major factor governing leaching process, where leaching is often the most important process of N loss from the field and lead to agricultural environmental pollution. In order to measure the movement of mineral-N in soil profile, a field research had been conducted in two ...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 21 No. 2: May 2016; 67-78

N2O Emission from Managed Soil Under Different Crops in Rainfed Area, Central Java

Oleh: Ariani, Miranti, Hervani, Anggri, Setyanto, Prihasto

N2O emission from agriculture has been assumed to increase by 30-35% until 2030. This gas has a major contribute to the emission from agriculture. N2O emission from managed soils is the 2nd contributor to green house gas (GHG) emission from agriculture in Indonesia. Rainfed area requested high manag...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 21 No. 2: May 2016; 79-89

Carbon Stock in Integrated Field Laboratory Faculty of Agriculture University of Lampung

Oleh: Banuwa, Irwan Sukri, Mutiasari, Tika, Buchori, Henrie

This study aimed to determine the amount of carbon stock and CO2 plant uptake in the Integrated Field Laboratory (IFL) Faculty of Agriculture University of Lampung. The research was conducted from April to November 2015. The study was arranged in a completely randomized block design (CRBD), consisti...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 21 No. 2: May 2016; 91-97

Diagnosing Soil and Coconut Root Existence in Lontang Plantation of Manado City

Oleh: Tamod, Zetly Estefanus, Kumolontang, Wisje, Kaunang, Djony

Province of North Sulawesi has been known as wave palm area (coconut). One of the plantations (coconut) potential become the farmer’s income and Locally-Generated Revenue (LGR). Therefore, it is important to maximize the soil function and root system of coconut. This research was aimed to diag...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 21 No. 2: May 2016; 99-108

The Diversity of Arbuscular Mycorrhiza Fungus (AMF) Indigenous in Peanuts (Arachis Hypogea L) Rhizosphere under Different Elevation

Oleh: Marizal, Surya, Muzakir, ., Syariyah, Amaliah

Arbuscular Mycorrhiza Fungus (AMF) is a type of soil microorganisms with obligate symbiotic characteristic. It can associate with high-level plants at the rate of 90%. Its association level highly depends on the type of AMF and the host plant. The lack of information about the AMF diversity in an ec...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 21 No. 2: May 2016; 109-114

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