Artikel dari Penerbit "University of Lampung"

Penerbit: University of Lampung

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Ditemukan 665 artikel.

Soil pH and Solubility of Aluminum, Iron, and Phosphorus in Ultisols: the Roles of Humic Acid

Oleh: Ifansyah, Hairil

Soil reaction (pH), aluminum (Al), iron (Fe) and phosphorus (P) are the parameters which presences in soil are related to each other. The role of each parameter on the grow than development of plants is very significant. Liming and organic mater amendment are some efforts that are frequently perform...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 18 No. 3: September 2013; 203-208

Leaching Behaviour of Nitrogen in Forage Rice Cultivation that Applied with Animal Manure

Oleh: Gusmini, ., Nishimura, Kazuyuki, Adrinal, .

Increased use of N fertilizer may substantially increase of nitrate nitrogen (NO3-N) leaching, which potentially pollutes groundwater.  Leaching behaviour of nitrogen (N) was observed in the paddy field of forage rice cultivation. Two kinds of animal manure, cattle manure (CM) and poultry manure ...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 18 No. 3: September 2013; 209-216

Improvement of Sand Tailing Fertility Derived from Post Tin Mining Using Leguminous Crop Applied by Compost and Mineral Soil

Oleh: Budianta, Dedik, Gofar, Nuni, Andika, Gusti Aditya

The research was aimed to study the potency of two leguminous cover crops in enhancing tailing fertility of post tin mining with and without addition of mineral soil  and compost. This pot experiment was carried out in Greenhouse of Soil Science Department, Faculty of Agriculture, Sriwijaya Unive...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 18 No. 3: September 2013; 217-223

Population and Distribution of Some Soil MesoFauna in the Inactive Tailing Deposition Areas of Freeport Indonesia, Timika-Papua

Oleh: Djuuna, Irnanda Aiko Fifi

Soil fauna has played an important role in ecosystem functioning, especially as ecosystem engineers which contribute to soil fertility in tropical environment.  A tailing deposition area is  one habitat that has several types of soil fauna to live and growth as well as involves in the deco...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 18 No. 3: September 2013; 225-229

Land Suitability Study in Ultisols for Soybean Based on Soil Fauna

Oleh: Anwar, Ea Kosman, Nurlaily, Ridha, Sarmah, .

Evaluation of land suitability for soybean by involving the presence and biodiversity of soil fauna has been conducted. The research was done on thecenter of soybean plantations in Ultisols soils in Banten, Lampung, and Lahat (south Sumatera) Provinces.  The objective of research was to determi...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 18 No. 3: September 2013; 231-239

3D Agro-ecological Land Use Planning Using Surfer Tool for Sustainable Land Management in Sumani Watershed, West Sumatra Indonesia

Oleh: Aflizar, ., Idowu, Alarima Cornelius, Afrizal, Roni

Estimation of soil erosion 3D (E3D) provides basic information that can help manage agricultural areas sustainably, which has not been sufficiently conducted in Indonesia. Sumani watershed is main rice production area in West Sumatra which has experienced environmental problem such as soil erosion a...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 18 No. 3: September 2013; 241-254

Phosphorus Fertilization Under Different Land Preparation Methods and Performance of Groundnut (Arachis hypogea L.) in Rainforest Zone of Southern Nigeria

Oleh: Ogeh, Joseph Sunday, Oyibo, Rukeme Orakpogbake

A field experiment was conducted on an Arenic paleudult in the rainforest zone of Southern Nigeria to determine the response of an improved variety of peanut (Arachis hypogea L. var. Samnut 23) to phosphorus, under different land preparation methods. Selected land preparation methods were “sla...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 19 No. 1: January 2014; 1-7

Influence of SP-36 and Phosphate Rock on Changes in Soil Available P, Leaf P Content, and Growth of Physic Nut (Jatropha curcas L.) in an Ultisol

Oleh: Rivaie, Achmad Arivin

A study was carried out to determine the effects of rates and types of P fertilizer (SP-36 and Phosphate Rock) on the growth of physic nut (Jatropha curcas L.), leaf P content, and soil available P in an Ultisol in a glasshouse. The treatments consisted of four rates of P (0, 50, 100 and 150 mg P2O5...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 19 No. 1: January 2014; 9-15

Effect Application of Sea Sand, Coconut and Banana Coir on the Growth and Yield of Rice Planted at Ustic Endoaquert Soil

Oleh: Nurdin, .

The research was aimed to study effect application of sea sand (SS), coconut coir (CC) and banana coir (BC) on the growth and yield of rice (Oryza sativa L.) planted at Ustic Endoaquert soil. The pot experiment was carried out using a factorial design with 3 factors. The first factor was SS consiste...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 19 No. 1: January 2014; 17-24

Efficiency Test of IRRI Fertilizing Recommendations on Rainfed Low Land Rice Field in West Kalimantan

Oleh: Hatta, Muhammad, Syam, Mahyuddin, Widiastuti, Dwi Purnamawati

Fertilizing recommendation for lowland rice field in West Kalimantan is still in national scale and tends to be excessive. It is less relevant due to various factors such as the test method competence, the carrying capacity  of  the  land,  and  the  diverse  condition  of�...

Sumber: JOURNAL OF TROPICAL SOILS; Vol. 19 No. 1: January 2014; 25-33

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