Artikel dari Penerbit "University of Lampung"

Penerbit: University of Lampung

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Ditemukan 665 artikel.

The Role of Inundation Types of Tidal Swampland on the Chemical Properties of Potentially Acid Sulphate Soils under Fertilizer and Lime Application

Oleh: Fahmi, Arifin, Alwi, Muhammad, Nursyamsi, Dedi

Generally, fertilizer application increases soil fertility, on the other hand fertilizer application leads to the alteration of soil chemical balances in which the magnitude of changes is determined by soil properties. The research aimed to study the soil chemical properties of potentially acid sulp...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 23 No. 2: May 2018; 55-64

Improvement of Yield of Bean Grown on Inceptisol Jatinangor Applied with Granular Organic Fertilizer and Harvest Interval

Oleh: Kusumiyati, Kusumiyati, Wawan, Sutari, Lutfiyyah, Syarief Aanisah

Low bean production in Indonesia is caused by several factors such as poor soil condition and low quality of the pods. The use of granular organic fertilizer can optimize soil as a growing medium of beans. In addition, the application of harvest interval setting in combination with the use of granul...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 23 No. 2: May 2018; 65-72

The Influence of Phosphate Fertilizer and Plant Growth Regulators on the Growth and Yield of Ratoon Rice (Oryza sativa L.) Grown on Swampland

Oleh: Fitri, Siti Nurul Aidil, Bernas, Siti Masreah, Sodikin, Erizal

This research aimed to study the influence of phosphate fertilizer and plant growth regulator applications on the growth and yield of ratoon rice grown on swampland. The research was conducted in September 2016 to January 2017 at the greenhouse of Department of Soil Science, Faculty of Agriculture, ...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 23 No. 2: May 2018; 73-80

Abundance of Soil Arthropods under Reduced Tillage and Bagasse Mulching in a Sugarcane Plantation in Central Lampung, Indonesia

Oleh: Susilo, Fransiscus Xaverius, Swibawa, I Gede, Kaneko, Nobuhiro

This study was aimed to show whether conservation effort through reduced tillage or mulching can promote soil zoological benefits, especially to the soil arthropods in sugarcane plantations area, Central Lampung, Indonesia. Twenty sugarcane plots of 25 m × 25 m size each were prepared in the are...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 23 No. 2: May 2018; 99-109

Residual Effect of Nitrogen Fertilization on Nitrous Oxide Flux and Yield of Three Cowpea Varieties (Vigna unguiculata L.) in Rainfed Rice Fields

Oleh: Wihardjaka, Anicetus

Nitrogen fertilizer use in rainfed rice fields is generally less efficient, only part of N is taken up by plants for their gowth and other N is lost and fixed by soil particles. Nitrogen loss in the form of nitrous oxide can reduce N fertilizer use efficiency and contribute to the increase of atmosp...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 23 No. 2: May 2018; 91-98

Dynamics of Soil Moisture under Different Water Levels and Various Dosages of Organic Fertilizer

Oleh: Nur, Subandi, Suwarto, Suwarto, Saparso, Saparso

The study aimed to determine the dynamics of soil moisture in various standing water levels and dosages of organic fertilizer. The experiment was arranged in a Completely Randomized Block Design (CRBD) with a 3 × 3 factorial treatment in 3 replicates. The first factor was 3 different water level...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 25 No. 3: September 2020; 157-164

The Effect of Organic and Inorganic Fertilizer Applications on N, P and K Uptake and Yield of Sweet Corn (Zea mays saccharata Sturt)

Oleh: Sofyan, Emma Trinurani, Sara, Dirga Sapta

To overcome insufficient sweet corn production in Indonesia, various strategies have been developed to improve its production. This study was conducted to evaluate the effect of organic fertilizer (i.e. cow manure) and inorganic fertilizer application on nutrient uptake and yield of sweet corn (Zea ...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 23 No. 3: September 2018; 111-116

The Growth of Oil Palm (Elaeis guineensis Jacq.) Seedlings with the Application of Different Arbuscular Mycorrhiza Fungi and Various Phosphorous Dosages

Oleh: Krisnarini, Krisnarini, Rini, Maria Viva, Timotiwu, Paul Benyamin

The effectiveness of Arbuscular Mycorrhiza Fungi (AMF) colonization depends on the type of AMF, plant species and phosphorus fertilization.  The aims of this study were to determine: the best type of AMF and the appropriate dosage of P fertilizer for the growth of oil palm seedlings, and whether ...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 23 No. 3: September 2018; 117-124

The Potential of Swampland Microalgae as Nitrogen Provider

Oleh: Lestari, Primastya Ayu, Gofar, Nuni, Budianta, Dedik

This study aimed to identify and explore the potential of microalgae from swampland of South Sumatra as nitrogen contributor for rice plants grown on swampland. Determination of sampling points was done by looking at the presence and abundance of microalgae in the sampling locations.  The method ...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 23 No. 3: September 2018; 125-131

Soil Enzyme Activities and Their Relationship to Total Soil Bacteria, Soil Microbial Biomass and Soil Chemical Characteristics of Organic and Conventional Farming

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

Soil properties such as physical, chemical, biological, microbiological and biochemical aspects affect on soil quality. Soil microbiological activities directly affect stability of ecosystems and soil fertility. The research aimed to determine soil microbial activities through soil enzyme activities...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 23 No. 3: September 2018; 133-141

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