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INDONESIA
BUANA SAINS
Published by Universitas Tribhuwana Tunggadewi
ISSN : 14121638     EISSN : 25275720     DOI : -
Core Subject : Science, Education,
Biochemistry, Genetics & Molecular Biology Chemistry Mathematics Physics
BUANA SAINS p-ISSN : 1412-1638 | e-ISSN: 2527-5720 is a double-blind peer-reviewed, open-access journal, published by UNITRI PRESS. It publishes original and applied research in all areas of natural science. The Editorial goal is to provide a forum exchange and an interface between researchers and practitioners in any natural science related field.
Arjuna Subject : -
Articles 13 Documents
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Search results for , issue "Vol 8, No 2 (2008)" : 13 Documents clear
KAJIAN HIDROLIS RUNTUHNYA EMBUNG JOHO DI KECAMATAN SEMEN KABUPATEN KEDIRI Suhudi Suhudi
BUANA SAINS Vol 8, No 2 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (127.44 KB) | DOI: 10.33366/bs.v8i2.273

Abstract

Dam Joho located in Kedak river with especial function as is ready standard water to resident in three villages. Execution of project of Dam Joho planned 210 calendar days at dry season, expected is final of December 2006 can finish. At mid of December happened rain with high intensity causing admission filling of water in accumulating basin sudden and happened by a problem of that is collapsing of Dam Joho. This Research aim to evaluate to collapse him of Dam Joho by comparing analysis charge floods of planning early and analysis charge floods pursuant to rainfall during 20 the last year. Besides, knowing stability storey; level of dam the at the of happened problem. Pursuant to information of executor contractor that face elevation irrigate moment happened to collapse him of Dam Joho is 510,30 m. Comparison of inflow discharge and outflow discharge can be obtained by interpolation, so that charge inflow obtained by 1,2249 multiplied with outflow discharge 139,603 m3/s, its result 171,003 m3/s at time period 193 year. Safety factor stability number of dam to stream of seepage and to slide evaluated in a condition face irrigate full in part of upstream of dam, exceeding from which is permitted so that happened to collapse him of Dam Joho
PROSPEK PENGEMBANGAN KOMODITI JAGUNG MELALUI PENDEKATAN AGRIBISNIS DI KECAMATAN KULO, KABUPATEN SIDENRENG RAPPANG Muhammad Natsir; Rikawanto Eko Mulyawan
BUANA SAINS Vol 8, No 2 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (140.678 KB) | DOI: 10.33366/bs.v8i2.278

Abstract

This study was aimed to elucidate trend of harvesting area and maize yield, and policies supporting maize delopment through agribusiness approache in Kulo District of Sidenreng Rappang Regency. This study was conducted at Kulo District which is are known as a maize development area in Sidenreng Rappang Samples selected for this study comprised 50 farmers of 310 maize farmers at Kulo District. The collected data were then subjected to Qualitative-descriptive, trend and SWOT analyses. Results of this study showed that: (1) trends of harvest area and production of maize were linear and tended to increase every year, and (2) the policy strategies adopted for maize development using agribusiness approach were (a) production aspect, (b) institutional aspect, (c) financial aspects, (d).Harvest technology aspect, and (f) human resource aspects
PENGARUH UMUR DAN SISTIM PENANAMAN AKAR WANGI (Vetiveria zizanioides L.) DALAM PERBAIKAN KUALITAS LIMBAH CAIR PABRIK TAPIOKA Eko Rini Indriyatie; E. Handayanto; W.H. Utomo
BUANA SAINS Vol 8, No 2 (2008)
Publisher : Universitas Tribhuwana Tunggadewi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (323.078 KB) | DOI: 10.33366/bs.v8i2.267

Abstract

A series of experiment had been conducted to elucidate the effects of age and planting system of fragrant root (Vetiveria zizanoides) in improving quality of tapioca industry liquid waste. Eight treatments generated from two planting systems, i.e. hydroponics system (To) and wetland system (T1), and four levels of plant age, i.e. 7 days after planting (LiV1), 45 days after planting (L1V45), 60 days after planting (L1V60), and 75 days after planting (L1V75), were arranged in a randomized block design with three replicates. pH, BOD, COD, DO and CN values were measured periodically for 61 days. Results of the study showed that various age of fragrant root plant were capable of reducing BOD, COD and CN concentrations, as well as increasing DO concentration and pH value for the two planting systems. During remediation process, the LiV75 treatment at wetland system produced better quality of tapioca liquid waste than that of hydroponics system

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