Artikel dari Penerbit "University of Lampung"

Penerbit: University of Lampung

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Ditemukan 665 artikel.

Nutrient Status and Mycorrhizal Population on Various Food Crops Grown Following Corn Inoculated with Indigenous Mycorrhiza on Sandy Soil of North Lombok, Indonesia

Oleh: Astiko, Wahyu, Fauzi, Muhammad Taufik, Sukartono, .

This study was aimed to determine the nutrient status and population of arbuscular mycorrhizal fungi (AMF) on the second cropping cycle of corn-based cropping patterns which utilized indigenous mycorrhizal fungi on sandy soil. The experiment was conducted at the Akar-Akar village in Bayan district o...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 20 No. 2: May 2015; 119-125

Emissions of Methane and Nitrous Oxide from Rainfed Rice Field Treated with Different Rice Planting Systems and Nematicide Applications at Central Java, Indonesia

Oleh: Wihardjaka, Anicetus, Harsanti, Elisabeth Srihayu

Rice field is issued as a source of greenhouses gases (GHGs) emissions especially methane (CH4) and nitrous oxide (N2O). Rice cultural approach could mitigate GHGs emissions i.e. through rice planting systems and nematicide application. The field experiment was conducted in rainfed rice field at Pat...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 20 No. 3: September 2015; 127-134

Effect of Compost Combination on Methane Emission in Undisturbed Acid Sulphate soil in South Kalimantan of Indonesia

Oleh: Annisa, Wahida, Maas, Azwar

A greenhouse experiment was conducted to examine the cumulative methane (CH4) emission in paddy soils and correlation with soil redox potential (Eh), soil pH and plant growth. The experiment was arranged in two factorial randomized block designs with three replications. The first factor was a kind o...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 20 No. 3: September 2015; 135-141

Increasing Nitrogen Fertilizer Efficiency on Wetland Rice by Using Humic Acid

Oleh: Suhardjadinata, ., Sunarya, Yaya, Tedjaningsih, Tenten

The objective of the research was to study the interaction between dose of humic acid and nitrogen fertilizer on the growth and yield of  rice. The experiment was conducted in May until September 2014 in Sukamanah village Cipedes sub-district Tasikmalaya city. A field experiment was done using as...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 20 No. 3: September 2015; 143-148

Identification and Decomposition of Five Dominant Wild plants from Acid Swampland in South Sumatra

Oleh: Bernas, Siti Masreah, Wijaya, Andi, Parlindungan, Effendy Sagala

There were five emergence plants in swampland such as Polygonum barbatum, Neptunia prostrata, Phragmites karka, Ludwigia adscendens and Phragmites communis, which might be used for compost source, all the plants were easily adapted and grew very well on acid soil.  These plants were choosen becau...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 20 No. 3: September 2015; 149-155

Effect of Fertilization on the Growth and Biomass of Acacia mangium and Eucalyptus hybrid (E. grandis x E. pellita)

Oleh: Halomoan, Siregar Sabar Timbul, Wawan, ., Adiwirman, .

Effect of fertilization on the growth and biomass of Acacia mangium and Eucalyptus hybrid (E. grandis x E. pellita) on third rotation is still not well understood to support judicious application in large scale forest plantations.  A field experiment aimed at understanding these questions was con...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 20 No. 3: September 2015; 157-166

Application of Organonitrofos and Inorganic Fertilizer on Cassava (Manihot Esculenta Crantz) in Ultisol Soil

Oleh: Dermiyati, ., Lumbanraja, Jamalam, Banuwa, Irwan Sukri

A field experiment was conducted to find out a combination dose of a novel organic fertilizer (Organonitrophos, OP) and inorganic fertilizers (N, P, and K) for the growth and yield of cassava (Manihot esculenta Crantz) during two planting periods of 2012-2013 and 2013- 2014 in ultisol soil (low in n...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 20 No. 3: September 2015; 167-172

The Diversity and Abundance of Springtail (Collembola) on Forests and Smallholder in Jambi

Oleh: Widrializa, ., Widyastuti, Rahayu, Santosa, Dwi Andreas

Harapan forests is the first restoration forest in Indonesia, includes several different ecosystems. Different ecosystems have different characteristic to affect the diversity and abundance of Collembola. In the ecosystem, Collembola have an important role in biocontrol, decomposition, soil nutrient...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 20 No. 3: September 2015; 173-180

Soil Chemical Properties and Soybean Yield Due to Application of Biochar and Compost of Plant Waste

Oleh: Barus, Junita

The importance to return organic matter to the soil has been widely recognized, especially to agricultural lands  that are low in organic matter and nutrients contents that will decrease the productivity of food crops. This study aimed to study the effect of  biochar (rice husk and corn cob bi...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 21 No. 1: January 2016; 1-7

Effectiveness of Organonitrofos Plus Fertilizer on Sweet Corn and Soil Chemical Properties of Ultisols

Oleh: Dermiyati, ., Utomo, Setyo Dwi, Hidayat, Kuswanta Futas

This study aimed to examine Organonitrofos Plus fertilizer (OP) on sweet corn (Zea mays Saccharata L.) and its effect on changes in soil chemical properties of Ultisols. Organonitrofos Plus fertilizer is an enhancement of Organonitrofos fertilizer enriched with microbes at the beginning of the manuf...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 21 No. 1: January 2016; 9-17

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