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Caraka Tani: Journal of Sustainable Agriculture

carakatani
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Published by Universitas Sebelas Maret

ISSN : 26139456 EISSN : 25992570 DOI : -

Core Subject : Agriculture,

Agriculture, Biological Sciences & Forestry

Caraka Tani: Journal of Sustainable Agriculture publishes original articles, review articles, case studies and short communications on the fundamentals, applications and management of Sustainable Agriculture areas in collaboration with Indonesian Agrotechnology / Agroecotechnology Association (PAGI), Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network), and Indonesian Agricultural Higher Education Communication Forum (FKPTPI). This journal has two issues in a year and it will be published in April and October.

Arjuna Subject : -

Articles 485 Documents

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PENGARUH PEJANTAN DAN PAKAN TERHADAP GENOTIP PERTUMBUHAN ITIK TURI Dewanti, Ratih
Caraka Tani: Journal of Sustainable Agriculture Vol 25, No 2 (2010): October
Publisher : Universitas Sebelas Maret

The experiment was carried out to observe the effect of sires and diets on the growth of genotype traits of Turi duck. There were five sires and 25 dams which produced 151 offspring used in the experiment. Three diets with equal nutrient balance but different concentration P1: {CP:EM= 1:145, EM 2482 kcal/kg:protein 17%}; P2 {CP:EM= 1:146 EM 2628 kcal/kg: protein 18%}; and P3 {CP:EM= 1:144 (EM 2774 kcal/kg: protein 19%} were then applied. Heritability estimation on body weight sire wise was h2: 0.059 (1st week); h2: 0.096 (2nd week), while the estimated heritability for body weigght gain was h2: 0.063 (1st week), h2: 0.239 (2nd week), h2: 0.062 (3rd week), h2: 0.156 (5th week), h2: 0.278 (6th week) and h2: 0.046 (8th week) respectively.

KEBUTUHAN INFORMASI PETANI PADA LAHAN SAWAH MARJINAL (Kasus Desa Wadas Kecamatan Kandangan Kabupaten Temanggung) Ihsaniyati, Hanifah; Kusnandar, Kusnandar; Padmaningrum, Dwiningtyas
Caraka Tani: Journal of Sustainable Agriculture Vol 27, No 2 (2012): October
Publisher : Universitas Sebelas Maret

Information is very important to reach purpose included for a farmer. The farmers tilling the farm which can only depend on rain water need information to survive, solve problems, lessen uncertainty, increase welfare, and to compete with other competitors. In accordance with the new paradigm in development and communication, the information presented by agricultural information organization should come from the need of information which is really felt by farmers. Being known from the previous study, the fact in the location of research indicates that agricultural extensions program was not really arranged with the farmers themselves or based on the need of information of farmer. Therefore, the purpose of this research is to fins the farmers’ need of information. The method of research which is used qualitative approach and constructive paradigm. The result of research indicates that the information need by farmers are concerning cultivation, capitalization, marketing, the rule of government and agricultural extension.

Analisis Penawaran Jagung di Jawa Tengah Setyowati, Setyowati; Agustono, Agustono; Maharani, Marlisa
Caraka Tani: Journal of Sustainable Agriculture Vol 19, No 2 (2004): October
Publisher : Universitas Sebelas Maret

This research aims to analyze some factors that influence the corn supply in Central Java, and to analyze the corn supply elasticity in Central Java. The basic method used in this research is descriptive method. The location of this research stated with purposive, that is Central Java Province. And the data used in this research is secondary data.The analysis results the value of adjusted determination coefficient that is 87,6% and F-test analysis results that F-count (18,632) is greater than F-table (3,79) means that all the independent variables used in this research, which are corn’s harvested area in the recent year, corn’s production in the previous year, corn’s price in the previous year, peanut’s price in the previous year, urea fertilizer’s price in the previous year and the average of rainfall along the plant time influence in the together to the corn supply in Central Java. The results of t-test shows that corn’s harvested area in the recent year, corn’s production in the previous year, corn’s price in the previous year and urea fertilizers price in the previous year variables are the significant influential independent variables to the corn supply in Central Java. While based on the partial regression coefficient value of the significant influential independent variables, it is found that the corn’s harvested area in the recent area year has the highest value (0,992), so this variable has the greatest influence to the corn supply in Central Java.The corn supply elasticity in Central Java to the harvested area (0,948), corn’s production in the previous year (0,434), corn’ price in the previous year (0,709), urea fertilizer’s price in the previous year (0,161) in short-run is tend to be inelastic. While in long-run, corn’s supply is tend to be elastic to the corn’s harvested are (1,696) and corn’s price in the previous year (1,296). And corn supply is tend to be inelastic to the corn’s production in the previous year (0,777) and urea fertilizer’ price in the previous year (0,289).The results of this research shows that the corn’s farmers in Central Java in planting corn take the decisions based on profit (profit oriented) and have high response of the changing of corn’s harvested area in Central Java.

OPTIMALISASI KULTUR JARINGAN BAWANG PUTIH DENGAN VARIASI KONSENTRASI EKSTRAK RAGI Putri, Ardyana Hamidani; Haryanto, Eddy Tri; Purnomo, Djoko
Caraka Tani: Journal of Sustainable Agriculture Vol 30, No 1 (2015): March
Publisher : Universitas Sebelas Maret

Garlic potential in Indonesia to be low because the tubers as planting materials have been infected virus. Tissue culture generates plant virus free so the tuber production as healthy planting material. The role of media to the succes of tissue culture is very high. Although the available tissue culture media has nutrients contain, but for the growth of onion plantlets required additional nutrients such as yeast extract. Yeast extract contained enzyme, amino acids and vitamin needed by plant growth. The research aimed to study the effect of yeast extract on garlic plantlet growth in tissue culture. The use of yeast extract in tissue culture with MS medium for garlic explants does not increase the growth plantlet.

PILIHAN PETANI PADA KELEMBAGAAN LAHAN USAHATANI TANAMAN PANGAN DI PARANGGUPITO KABUPATEN WONOGIRI Suwarto, Suwarto; Harisudin, Mohamad; Antriyandarti, Ernoiz
Caraka Tani: Journal of Sustainable Agriculture Vol 27, No 1 (2012): March
Publisher : Universitas Sebelas Maret

The choice of institutional land in farming crops for farmers can be influenced by the situation and condition of the farmers who worked in the institutional field. Institutional land in farms is important, thus it is necessity to know the institutional land that currently exist in a region along with the factors that influence the choice of institutional land for farmers. The study was designed to answer the following research problem: (1) to explore and describe institutional dry land area of research in current conditions, and (2) to identify the factors that influence the choice of institutional dry land on farm crops. The location of research used poor rural areas which are far away from the town, Bandungan Hamlet and Parang Kulon Hamlet, Paranggupito District, southern region of Wonogiri Regency , ± 70 km from the Capital of Wonogiri. The choice of location is relatively far away from the city intended to get comprehensive information on institutional land. There were 32 farm households in both hamlets that have cooperation in institutional land as respondents. This research conducted in-depth survey and assessment. The result of study showed that the cooperation on an institutional land area there are pledge, lease, ‘sakap’, and lending. Various factors that influence farmers' choices in the institutional area are known, namely: the bargaining position of farmers who work together, the distance of land by farmers, and kinship.

Potensi Penetralisir Radikal Bebas Rimpang Temu Lawak (Curcuma xanthoriza Roxb.) dan Temu Ireng (Curcuma Aerugonosa Roxb.) Setyaningrum Ariviani
Caraka Tani: Journal of Sustainable Agriculture Vol 20, No 2 (2005): October
Publisher : Universitas Sebelas Maret

Solvent with different polarity used used in extraction of antioxidant compound from temu Lawak (Curcuma xanthoriza Roxb.) and Temu Ireng (Curcuma Aerugonosa Roxb.) spices. The solvent are Enthanol and acetone. Antioxidant extracts were analyzed in “neutralizer free radical” activity with DPPH Radical Scavenging Method. The activity compared with synthetic antioxidant BHA.Result of the research perform that Temu Lawak and Temu Ireng spices were potential as neutralizer free radical. Antioxidant extract of Temu Lawak spices have higher activity than Temu Ireng spices extract. The “neutralizer free radical” activity of 1% Temu Lawak extract is 1,9 times 300 ppm BHA activity, and 1% Temu Ireng extract is 1,24 times 300 ppm BHA activity. Solvent influential at “neutralizer free radical” activity of Temu Ireng spices extract, but it doesn’t influential at Temu lawak spices extract.

PENGARUH NAA DAN BAP TERHADAP PERTUMBUHAN SUBKULTUR ANGGREK HASIL PERSILANGAN Dendrobium biggibum X Dendrobium liniale Hartati, Sri; Budiyono, Agus; Cahyono, Ongko
Caraka Tani: Journal of Sustainable Agriculture Vol 31, No 1 (2016): March
Publisher : Universitas Sebelas Maret

Indonesia has a high diversity of species of orchids. One of them is the Dendrobium orchid. Orchid seeds do not have endosperm should be grown in a medium that has enough nutrients. Orchid propagation in vitro is strongly influenced by the composition of the medium used. Research through experiments aimed at studying the effect of NAA, BAP, NAA and BAP combination of the subculture plantlets growth of hybrids orchid Dendrobium biggibum X liniale in Vacin Went media. Research conducted at the Laboratory of Tissue Culture Center for Plant Conservation Bogor Botanical Gardens. The experimental design used was completely randomized design (CRD) with two factors. The first factor was the concentration of Naphthalene Acetic Acid /NAA ( 0 ppm, 1 ppm, 3 ppm and 5 ppm). The second factor was the type media of Benzyl Amino Purine /BAP ( 0 ppm, 1 ppm, 3 ppm and 5 ppm). Each treatment was replicated eight times. Analysis of the data by F test level 5% and if there is a significant difference continued with Duncan Multiple (Duncan's Multiple Range Test) level of 5%. The result showed that the addition of NAA 3 ppm as much as 4,96 cm and BAP 3 ppm as much as 4,41 cm give a significant effect on the increase of high plantlets and so NAA 3 ppm as much as 5,76 cm effect on roots length , but did not significantly effect the number of leaves and roots.

DAMPAK ALIH FUNGSI LAHAN PERTANIAN KE SEKTOR NON PERTANIAN TERHADAP KETERSEDIAAN BERAS DI KABUPATEN KLATEN PROVINSI JAWA TENGAH P, Catur Tunggal Basuki Joko; Purwanto, Joko; Fajarningsih, Rhina Uchyani; Ani, Susi Wuri
Caraka Tani: Journal of Sustainable Agriculture Vol 25, No 1 (2010): March
Publisher : Universitas Sebelas Maret

The objective of this research were to calculate the rate of the agriculture land conversion and the impacts of the agriculture land conversion to rice availability in Klaten Regency. This research used secondary data (pool data) in periode of 1998-2007 twenty six districts. The models used in this research were growth analysis and difference of net production to total consumption (NPKt). The result of this research show that the growth rate of the low land and up land area in Klaten regency were -0,53% and 0,47% per year. Low land conversion was show positive value of the difference of net production to total consumption (NPKt) in Klaten Regency.

Aplikasi Sistem Informasi Geografi (Gis) untuk Pemetaan dan Simulasi Erosi Tanah Mujiyo Mujiyo; Sumani Sumani; Joko Winarno
Caraka Tani: Journal of Sustainable Agriculture Vol 22, No 1 (2007): March
Publisher : Universitas Sebelas Maret

The aims of the research are to use the technology of the geographic information system for mapping and simulation of the soil erosion, and to know the difference betweet actual and potential erosion on the spesific land use type. The area of the research is Jumapolo District, Karanganyar Regency. USLE equation method (R=R.K.L.S.C.P) was used to predict the soil erosion intensity. The steps of the research are (1) pre-survey, prepared equipments for suvey, (2) survey, was done by exploring predertemined land map unit, and (3) labs, analysis of the soil samples, the rainfall data and teh ArcView GIS. Analysis was done using rating based on Zachar (1982) in order to know the difference of the soil erosion intensity.The results of the research are first, geographic information system is useful to mapping and simulation of the soil erosion, especially to calculate data that numerous and difficult, to overlay, to layout the map (or the other spasial data) and the statistic of land area, second, Jumapolo District has variability of the soil erosion intensity i.e. very slight 25,77 ha (0,62% of the agriculture land area), slight 815,71 ha (20,39%), moderate 1.094,69 ha (25,49%), severe 1.150,58 ha (33,09%), very severe 827,25 ha (18,88%) and catastrophic 243,69 ha (1,53%) and third, the change of the land unit type and the conservation technic can change the soil erosio intensity. Simulation process result that land area which have soil erosion intensity severe, very severe and catastrophic changes become slight and moderate, therefore the new compotitions of the soil erosion intensity are very slight 25,77 ha (0,62%), slight 1.665,48 ha (40,06%), moderate 2.466,43 ha (59,32%), and each severe, very severe and catastrophic 0 ha (0%).

EFEKTIVITAS LIMBAH TEMBAKAU TERHADAP WERENG COKLAT DAN PENGARUHNYA TERHADAP LABA-LABA PREDATOR Tuti, Harlina Kusuma; Wijayanti, Retno; Supriyadi, Supriyadi
Caraka Tani: Journal of Sustainable Agriculture Vol 29, No 1 (2014): March
Publisher : Universitas Sebelas Maret

Nilaparvata lugens Stal.is one of plant pest which damages rice field. The waste of tobacco contains nicotine which can use as botanical insecticide. This research was aimed to find out the effectiveness of tobacco waste in controlling brown planthopper and its effect then predator (Oxyopes javanus). The methode of this research applies Completed Randomized Design experiment. In this research, used the kind of tobacco waste and various concentration with triple repeating. The variables of this research were mortality and death period of brown planthopper, mortality and eating capability of O. javanus viewed from direct and indirect application. The concentration 12,5% of tobacco roots extract cause mortality of brown planthopper reaches 93%. Furthermore, the concentration 12,5% of tobacco root extracts made the death period of brown planthopper faster than the other concentrations. Direct application of tobacco waste extracts did not cause of O. javanus. Indirect application of tobacco waste extract did not cause of death toward O. javanus, but caused eating capability of O .javanus. Extract from tobacco bark with concentration 3,125% dan 1,56% had the power repellent which was shown by O. javanus only eat 2,33 brown planthoppers per week.

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