Artikel dari Penerbit "University of Lampung"

Penerbit: University of Lampung

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Ditemukan 665 artikel.

Minimum Tillage and in situ Mulch Increasing the Population and Biomass of Earthworms Under Mung Bean Cultivation on Ultisol Soil

Oleh: Aini, Septi Nurul, Yusnaini, Sri, Tunsiyah, Tunsiyah

Earthworms are important soil biota that can be used as  an indicator of soil fertility. Soil tillage systems and application of organic mulch will affect the activity of earthworms. This research was aimed to study the effect of tillage systems and the application of in situ mulch, and their int...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 24 No. 3: September 2019; 141-148

The Diversity of Mycorrhiza Arbuscular Fungi in Several Types of Peatland Utilization in Sungai Asam Village Kubu Raya District

Oleh: Zulfita, Dwi -, Hariyanti, Agus, Surachman, Surachman

The purpose of this study was to determine the diversity of FMA from the rhizosphere of cassava, corn, taro, ginger, kale, pineapple which was cultivated in the Sungai Asam peatland by using a corn plant host. This research was conducted at the Soil Biology and Biotechnology Laboratory of the Facult...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 25 No. 3: September 2020; 165-171

Lignite-based Organic Fertilizer Improves Soil Quality and Yield of Rice in Belitang South Sumatera

Oleh: Syafrullah, Syafrullah

To achieve food-self sufficiency in Indonesia, it is necessary to apply sustainable agriculture practices to improve soil quality. Most of paddy fields have been applied with chemical fertilizers intensively for more than 40 years without the addition of organic matter.  The purpose of this study...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 24 No. 3: September 2019; 109-117

Sediment Enrichment Ratio and Nutrient Leached by Runoff and Soil Erosion on Cacao Plantation

Oleh: Haridjaja, Oteng

Soil consevation management system is an activity for diminishing sediment enrichment ratio and nutrient leacheds by water run off and soil erosion processes. The research was aimed to study sediment enrichment ratio and nutrient leached by run off and soil erosion on cacao plantations. Arachis pint...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 67-74

Carbon Storage and Carbon Dioxide Emission as Influenced by Long-term Conservation Tillage and Nitrogen Fertilization in Corn-Soybean Rotation

Oleh: Utomo, Muhajir, Buchari, Henrie, Banuwa, Irwan Sukri

Although agriculture is a victim of environmental risk due to global warming, but ironically it also contributes to global greenhouse gas (GHG) emission. The objective of this experiment was to determine the influence of long-term conservation tillage and N fertilization on soil carbon storage and C...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 75-84

Relationship between Concentration and Discharge on Storm Events: Case Study at Cakardipa Catchment, Cisukabirus Subwatershed, Upper Ciliwung Watershed, Bogor, West Java

Oleh: Heryani, Nani, Pawitan, Hidayat, Jarwadi Purwanto, Mohamad Yanuar

River nutrient loadings rates are frequently determined from discharge and hydrochemistry relationships using regression techniques. Unfortunately such methods as a conventional technique are inadequate for dealing with the problem such as differences in shape and direction of loop forming in indivi...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 17 No. 1: Januari 2012; 85-95

Adaptation of New Rice High Yielding Varieties on New Constructed Irrigated Rice Field Affected by Sea Water Intrusion in West Tanjung Jabung District, Jambi

Oleh: Saidi, Busyra Buyung, Hendri, Jon, Suharyon, Suharyon

Assessment adaptation of several new superior rice varieties  on new rice fields affected by seawater intrusion was carried out in Tungkal Ilir Subdistrict, West Tanjung Jabung District, from April to October 2018. The study applied randomized block designs (RBD) with four replications. The treat...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 25 No. 3: September 2020; 119-126

Influence of Induced Soil Compaction on the Growth, the Yield and the Soil Loss Resulting from the Groundnut Harvesting

Oleh: Ewetola, Esther Abosede

The research was conducted to study  the growth and the yield of the groundnut plant and to  quantify the soil loss after groundnut harvesting as influenced by induced soil compaction. A ten kilogram of soil was packed in the pots with an initial bulk density of 1.05 Mg m-3, then it were compr...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 25 No. 3: September 2020; 147-156

Water Retention and Saturation Degree of Peat Soil in Sebangau Catchment Area, Central Kalimantan

Oleh: Sajarwan, Akhmat, Jaya, Adi, Banuwa, Irwan Sukri

Water is an essential factor in forming, utilization, management, and sustainability of peat soil. This study was to obtain characteristics of water retention and porosity of peat soil. Peat samples were taken from the Natural Laboratory of Peat Forest, Central Kalimantan at shallow, medium, and dee...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 26 No. 1: January 2021; 29-42

The Phytoextraction of Copper from Tropical Soil 21 Years after Amendment with Heavy-Metal Containing Waste

Oleh: Silva, Gianluigi, Aini, Septi Nurul, Buchari, Henrie

Several particular plants are suggested to extract significant parts of heavy metals from soils and accumulate them in their roots and shoots.  This research aimed to study the phytoextraction of Cu by several plants from heavy-metal contaminated tropical soils.  Soil samples collected from pl...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 26 No. 1: January 2021; 11-18

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