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BUANA SAINS

buanasains
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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.

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Articles 13 Documents

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Search results for , issue "Vol 6, No 2 (2006)" : 13 Documents clear

SERAPAN NITROGEN DARI PANGKASAN POHON LEGUM OLEH TANAMAN PANGAN PADA SISTEM BUDIDAYA PAGAR Y. Nuraini; E. Handayanto
BUANA SAINS Vol 6, No 2 (2006)
Publisher : Universitas Tribhuwana Tunggadewi

A study to test the recovery of nitrogen released from five legume tree prunings (Calliandra calothyrsus, Peltophorum dasyrrachis, Gliricidia sepium, Leucaena leucocephala, and Flemingia congesta) was carried out in a glasshouse for 7 weeks. Results showed that the amounts of mineral-N in the soil receiving legume tree prunings ranged from 20 mg/kg soil (Peltophorum) to 37 mg/kg soil (Gliricidia). Addition of Gliricidia produced significantly (P

PENGARUH APLIKASI RHIZOBIUM INDIGEN TERHADAP PERTUMBUHAN KEDELAI PADA ENTISOL DAN INCEPTISOL Intan Agistia; Ricky Indri Hapsari
BUANA SAINS Vol 6, No 2 (2006)
Publisher : Universitas Tribhuwana Tunggadewi

The objective of this experiment was to isolate Rhizobium bacteria from soybean and to study the effect of inoculation of the isolated indigenous bacteria on soybean growth. Six treatments comprising TA (Entisol control), TaI1 (Entisol+Rhizoplus), TaI2 (Entisol +Rhizobium indigenous), KB (Inceptisol control), TbI1 (Inceptisol+Rhizoplus), TbI2 (Inceptisol+ indigenous Rhizobium) were arranged in a completely randomized design with three replicates. Results of this study indicated that; (1) morphology of Rhizobium was shape of colony, around white, and phlegm, total colony of Rhizobium indigenous are 130 x 107 cuff/ml (2) indigenous Rhizobium had higher influence than Rhizoplus to the total of the root-nodule, the weight of dry nodule, the high of the plant, and pH, the N-total of soil, and the N-total of plant are good at an Entisol and an Inceptisol

PENGARUH PENGGUNAAN POLLARD DAN ASAM AMINO SINTETIS DALAM PAKAN AYAM PETELUR TERHADAP KONSUMSI PAKAN, KONVERSI PAKAN, DAN PRODUKSI TELUR Nonok Supartini
BUANA SAINS Vol 6, No 2 (2006)
Publisher : Universitas Tribhuwana Tunggadewi

This objective of the experiment was to measure the effect of pollard utilization on the layer diets and the addition of critical amino acid to produce the consumption, eggs production and feed conversion with layers. The experiment used 315 Lohmann strains that comprising 7 treatments in 7 replications with 15 birds each. The treatments were: RO (control diet without pollard and without critical of AA), R1 (10% pollard + 50% critical of AA), R2 (10% pollard + 100% critical of AA), R3 (20% pollard + 50% critical of AA), R4 (20% pollard + 50% critical of AA), R5 (30% pollard + 50% critical of AA), R6 (30% pollard + 100% critical of AA). The results showed that the utilization of pollard with amino acid addition gave no significant different on consumption, egg production (%HAD) and feed conversion with layers

SINKRONISASI MINERALISASI NITROGEN DAN FOSFOR BIOMASA TUMBUHAN DOMINAN DI LAHAN KERING Riyanto Djoko
BUANA SAINS Vol 6, No 2 (2006)
Publisher : Universitas Tribhuwana Tunggadewi

An effort to improve nutrients released from decomposing Cassia hirsuta, Centrosema pubescens, Phaseolus lunatus, Psophocarpus tetragonolobus, Mimosa somian and Flemingia congesta was carried out by mixing the plant biomass with farmyard manure locally available at the area. Each type of the biomass was mixed thoroughly with the manure at two levels (10% and 20% by weight). Twelve treatments (six plants biomass and two levels of farmyard manure) were arranged in a Factorial Randomized Block Design with three replicates. Results of the field experiment indicated that the mixture of 80% Cassia hirsuta and 20% manure left the highest amount of N and available P in the soils, whereas the mixtures of 90% Mimosa somian + 10% manure and 90% Centrosema pubescens + 10% manure treatment resulted in the lowest amount of N and available P in the soil, respectively. Application of 80% Centrosema pubescens + 20% manure resulted in the highest amount of N and P taken up by maize at 12 weeks. The highest amount of N and P taken up by maize, whereas the lowest amount of N and P taken up by maize was observed for the mixture of 90% Flemingia congesta +10% manure and the mixture of 90% Centrosema pubescens + 10% manure, respectively. The best synchronization between N released and maize demand for nitrogen was obtained by application of 80% Cassia hirsuta + 20% manure (efficiency of 50,67%), and that of P was obtained by application of 90% Flemingia congesta + 10% manure (efficiency of 74,76%)

TANGGAPAN TANAMAN JAGUNG MANIS AKIBAT PEMBERIAN KOMPOS JERAMI DAN HARA Edyson Indawan
BUANA SAINS Vol 6, No 2 (2006)
Publisher : Universitas Tribhuwana Tunggadewi

This study was aimed to explore of plant affectivity in using its environmental resources and to quantitatively solve problems related to growth of sweet corn. Twelve treatments comprising four levels of rice straw application and three levels of nutrient application was arranged in a randomized block design with three replicates. The results showed that a combination of 10 t rice straw/ha with 400 kg Urea, 35 kg TSP, and 250 kg KCl /ha produced the highest stem dry weight. There was no interaction between leaf dry weight, root dry weight and cop dry weight of the plant

KOMPETISI TANAMAN DALAM BUDIDAYA LORONG Titiek Islami; Syakur Syakur
BUANA SAINS Vol 6, No 2 (2006)
Publisher : Universitas Tribhuwana Tunggadewi

Alley cropping system has been widely understood as a very effective in soil and water conservation paractices. This system is able to decrease surface run off, and at the same time increase soil fertility and productivity. However, there is also a possibility the occurence of a detrimental effect due to crop competition between the hedgerow crops and the crops. An experiment has been conducted to study the competition between the food crops and the hedgerow crops in alley cropping system. The meassurement was carried out at Jatikerto, in 2002. The hedgerow crops used in this experiment were: (a) without hedgerows, as a control, (b) Gliricidia planted with stem cutting, (c) Gliricidia planted with seed. (c) elephant grass, and (d) Vetiver. The food crops planted in the row was rainy season maize, and followed by dry season maize. The experiment results show that in Gliricidia hedgerow, both planted with seed and stem cutting, there was a light competition and no nitrogen nutrient competition. In elephant grass hedgerow, there was a nitrogen nutrient competition. When there was enough rain, although the crops water used in alley cropping system is higher than that in non alley system, there is no significant competition in crop water used. Crop water competition, especially in Gliricidia and elephant grass hedgerow, occurred during limited water avalibility at dry season

DIVERSITAS TUMBUHAN TAHAN KEKERINGAN DAN MANFAAT BIOMASANYA UNTUK REMEDIASI TANAH E. Arisoesilaningsih; Suyono Suyono; E. Handayanto Handayanto
BUANA SAINS Vol 6, No 2 (2006)
Publisher : Universitas Tribhuwana Tunggadewi

In support of healthy agriculture development to improve farmer’s prosperity status, soil remediation and land conservation efforts maybe relied on the use of biomass of local vegetation. Results of field exploration conducted at Brantas Watershed of East Java for the period of 2001-2002 indicated that there were at least 154 species of scrubs under growth, 47 species of agriculture-plantation crops, and 59 species of road shelter trees. The native undergrowth vegetation had undergone enormous seasonal variations. Biomass of predominance vegetation, e.g. Psophocarpus tetragonolobus, Phaseolus lunatus, Flemingia, Mimosa somian, Acacia villosa, Cassia mimosoides, Mucuna could potentially be used as organic matter sources to improve availability of nitrogen and phosphorus in soils. The amount of nitrogen and phosphorus contributed of the plant biomass significantly correlated with quality of the biomass

PROSPEK PENGELOLAAN HUTAN BERBASIS MASYARAKAT PADA TAMAN NASIONAL SEBANGAU MELALUI USAHA PENGEMBANGAN TANAMAN JELUTUNG (DYERA LOWII) Mintarjo Mintarjo; Setni Betlina
BUANA SAINS Vol 6, No 2 (2006)
Publisher : Universitas Tribhuwana Tunggadewi

Area of Sebangau National Park in Central Kalimantan is almost entirely peat bog forest with peat depth varies from shallow to very deep peat of more than 20 m depth. Jelutung tree is an endemic plant found in the area of Sebangau National Pak. This tree is very suitable to be developed at buffer zone and special zone (rehabilitation/community empowerment). This study was aimed to elucidate prospect and farming contribution of jelutung tree development to supporting operational cost of the Sebangau National Park. This study was conducted at villages nearby Sebangau National Park, i.e. Kereng Bengkirai Village of Sebangau District and Habaring Hurung Village of Bukit Batu District of Palangka Raya. Farming feasibility of jelutung tree was analyzed through Benefit Cost Ratio (BC Ratio), Net Present Value (NPV), and Internal Rate of Return (IRR) approaches. Results of the study showed that BC ratio value of jelutung tree for one farming cycle = 2,89, NPV = Rp. 154.315.338.168 and IRR = 24,22 %. Development of jelutung tree at buffer zone of Sebangau National Park would provide per capita income of Rp. 3.804.000. Development of jelutung tree at special zone of Sebangau National Park (rehabilitation/community empowerment) at an area of ± 750 Ha through community-based forest management model and resulted share of 50 % for Sebangau National Park Board and 50 % for community can meet operational cost for self-sufficient management of Sebagau National Park about Rp.5 bilions/year

PENGARUH PEMANFAATAN PUPUK KANDANG TERHADAP PERTUMBUHAN DAN HASIL TANAMAN JAGUNG PADA KONDISI KEKURANGAN AIR Ricky Indri Hapsari
BUANA SAINS Vol 6, No 2 (2006)
Publisher : Universitas Tribhuwana Tunggadewi

Problems faced by dryland maize include less available water, erosion, soil structure-degradation, low organic matter content and other chemical elements. This experiment was carried out to elucidate the effect of manure application on the growth and yield of maize under water limited condition. The research was conducted in a glasshouse of Tribhuwana Tunggadewi University, Malang having altitude of 505 m above of sea level and the predominance soil type is an Andisol. The experiment used Randomized Block Design Factorial with two factors and three replicates. The first factor was manure application, consisting of: control (PO), chicken manure 15 t/ha (PI) and cow manure 15 t/ha (P2) treatments. The second factor was water volume consisting of: 150 mm/season (Al), 300 mm/season (A2) and 450 mm/season (A3) treatments. The results showed that there was a strong interaction between manure application and water volume in affecting grain dry weight per plant and plant total dry weight on harvest. Application of 15 t/ha chicken manure combined with 300 mm water volume/season gave the best yield compared to cow manure and control that each combined with 300 mm season water volume treatment

IDENTIFIKASI KADAR HEMOGLOBIN DARAH KAMBING PERANAKAN ETAWAH BETINA DALAM KEADAAN BIRAHI I Gede Putu Kasthama; Eko Marhaeniyanto
BUANA SAINS Vol 6, No 2 (2006)
Publisher : Universitas Tribhuwana Tunggadewi

This research was conducted at Field Laboratory of Animal Husbandry Tribhuwana Tunggadewi University. The aim of this research was to identify the hemoglobin level of female Etawah crossbreed goat in estrus phase. Ten female Etawah crossbreed goats with live weight 40,05  2,67 kg were used in this research 5 kg King Grass and 0,8 kg concentrate were given a day during the research. For estrus synchronization, it was used double injection of PGF2 with interval 11 days. Method used in this research was a case study with purposive sampling. Parameters measured in this research were: 1) hemoglobin level, 2) sign of estrus, 3) estrus cycle. The result of this research showed that female Etawah crossbreed with hemoglobin level 11,30 – 12,20 gm/100 ml in blood had good performance in estrus with normal estrus cycle

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