Artikel Terbaru - Portal Jurnal

Artikel Terbaru

Telusuri koleksi artikel yang paling baru dipublikasikan.

Total ditemukan 22828 artikel.

Ferro Content in Soil and Mustard Leave (Brassica Junjea) Treated by Agricultural Waste on the Biosensitizer-Iron Photoreduction

Oleh: Rorong, Johnly Alfreds, Sudiarso, ., Prasetya, Budi

Atom absorption spectrophotometer (AAS) had been used to analyzed Ferro in the soil and in the green mustardleaf (Brassica junjea) treated with phenolics extract from the agricultural wastes of clove leaf (Eugenia aromatica),rice straw (Oryza sativa) and water hyacinth leaf (Eichhornia crassipessolm...

Penerbit: UNIVERSITY OF LAMPUNG • Publikasi: 25 January 2013

Citrate Root Exudation under Zn and P Deficiency

Oleh: Siane, Bless Aplena Elen

Zinc and phosphorus are essential nutrients with low bioavailability in calcareous soils. Some plants exude organicacids to increase the solubility of these two nutrients. The objective of this study was to examine citrate exudation rates of different lupin (Feodora and Energy) and rapeseed (Dunkeld...

Penerbit: UNIVERSITY OF LAMPUNG • Publikasi: 25 January 2013

Plot Scale Phosphorous and Potassium Balances of Newly Opened Wetland Rice Farming Originated from Wetland

Oleh: Sukristiyonubowo, ., Nugroho, Kusumo, Ritung, Sofyan

Development of newly opened wetland rice fields both from dry land and wetland in Indonesia are important to meetrice growing demand, increase soil productivity, keep rural food security and provide jobs as well as generateincome. Most soils of newly opened rice fields are low in P and K contents, b...

Penerbit: UNIVERSITY OF LAMPUNG • Publikasi: 25 January 2013

Response of Some Rice Cultivars in New Opening Paddy Fields with High Fe2+ Using Multi-packet Technology

Oleh: Utama, M Zulman Harja, Wahidi, Ismed, Sunadi, .

The main obstacle to increase rice yield in new opening paddy fields, is that high levels of dissolved ferrous ions(Fe2+) which toxic to plants. This research aimed to study the growth and yield of several rice cultivars tolerant toFe2+ in the new opening paddy fields with multi-packet technology. T...

Penerbit: UNIVERSITY OF LAMPUNG • Publikasi: 25 January 2013

Improving Phosphate Efficiency by Phosphate Solubilizing Bacteria and Organic Matter Estimated by Radio Isotop (32P) Technique in Some Soils

Oleh: Mudjiharjati, Arie, Setiawati, Tri Candra, Pandutama, Martinus Harsanto

Phosphorous (P) contents in many soils are varies highly along with their ability to provide available P to plant growth. Soils may contain very high in total P, but low in available P due to high P adsorbed by soil matrix and all their adsorbing agents. This research which using natural materials w...

Penerbit: UNIVERSITY OF LAMPUNG • Publikasi: 25 January 2013

Relationship between Organic-C and Available-P Due to Tidal Fluctuation in South Kalimantan

Oleh: Yusran, Fadly Hairannoor

Tidal fluctuation creates different soil chemical properties which is totally deviate from normal circumstances.  Organic matter decomposition occurs with limited O2 supply, hence disturbing Carbon cycle which has a central role in the process and nutrient mineralisation.  The research aimed w...

Penerbit: UNIVERSITY OF LAMPUNG • Publikasi: 25 January 2013

Characterization of Surface Runoff, Soil Erosion and Nutrient Loss on Forest-Agriculture Landscape

Oleh: Hidayat, Yayat, Murtilaksono, Kukuh, Sinukaban, Naik

The study was aimed to quantify volume of surface runoff, soil erosion and nutrient loss from the forest-agriculture landscape (forest margins) in Lore Lindu National Park Central Sulawesi.  Surface runoff volume and soil erosion were measured daily on erosion plots. It was installed on  sever...

Penerbit: UNIVERSITY OF LAMPUNG • Publikasi: 25 January 2013

Methods for Delineating Degraded Land at Citarum Watershed, West Java, Indonesia

Oleh: Tarigan, Suria Darma

Accurate information on the extent and spatial location of degraded lands is very important to plan their rehabilitation. So far, various institutions issue different estimation on the extent of degraded land in Indonesia led to big confusion for rehabilitation planning.  Ministry of Forestry est...

Penerbit: UNIVERSITY OF LAMPUNG • Publikasi: 25 January 2013

Physical Feasibility Study of Agroforestry Farm Systems to Support Sustainable Agriculture in Konaweha Sub Watershed of Southeast Sulawesi

Oleh: Marwah, Sitti

The farming systems in Konaweha watershed are mostly mixed garden that are partly managed intensively as wellas traditionally. The objectives of this research were to identify and classify agroforestry systems that were practicedby farmers, to study the effect of the agroforestry systems on soil pro...

Penerbit: UNIVERSITY OF LAMPUNG • Publikasi: 25 January 2013

THE EFFECT OF PICTURED CARD USED IN JIGSAW COOPERATIVE LEARNING PROCESS TO IMPROVE STUDENT`S CRITICAL THINKING SKILL

Oleh: M.Robidinsyah, M.Robidinsyah, Pramudiyanti, Pramudiyanti, Marpaung, Rini Rita T

Based on observation and interview of Biology teacher of Al-Kautsar  Senior High School students critical thinking skill were not optimally developed yet.  This experiment aims to find out the influence of applying pictured card media combined with Jigsaw  cooperative learning modeltowards impro...

Penerbit: Universitas Lampung • Publikasi: 25 January 2013

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