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All Journal Peronema Forestry Science Journal Journal of Saintech Transfer PERENNIAL Biodiversitas Journal of Biological Diversity
Kansih Sri Hartini
Faculty Of Forestry, Universitas Sumatera Utara. Jl. Tri Dharma Ujung No 1, Kampus USU, Medan 20155, North Sumatra, Indonesia.
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Other

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UTILIZATION OF NARROW LAND WITH VERTICULTURE TECHNIQUES IN URBAN AREA Hartono, Rudi; Hartini, Kansih Sri; Purwoko, Agus
Journal of Saintech Transfer Vol. 4 No. 1 (2021): Journal of Saintech Transfer
Publisher : Talenta Publisher Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jst.v4i1.5332

Abstract

Urban areas are generally in the form of housing with narrow land. The purpose of this activities was to use narrow land for farming with verticulture techniques. The activity was held in Puri Zahara 1 Residence, Medan Tuntungan District. which is a residential area with narrow land. The method used was to provide training to housewife to be able to utilize the land with verticulture techniques. Housewives was briefed in order to be able to use the land using existing materials, especially verticulture techniques. The material used in verticulture techniques was paralon. The result of this dedication is that the community can utilize small land, especially in residential areas with verticulture techniques to plant flowers or vegetable crops, so that the house becomes greener and livelier. With this verticulture technique, more vegetable or fruit crops can be planted. some plants planted include lettuce, water spinach, flowers
Sebaran Daun Sang (Johannesteijsmannia altifrons) Berdasarkan Kelerengan dan Ketinggian Tempat / Distribution of Daun Sang (Johannesteijsmannia altifrons) Based on Slope and Altitude of Place Siti Harianti Manurung; Siti Latifah; Kansih Sri Hartini
Peronema Forestry Science Journal Vol 2, No 1 (2013): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (343.718 KB)

Abstract

Daun Sang is an plant endemic of Sumatera. This plant only found in two places in Indonesia in Bukit Tigapuluh National Park and Gunung Leuser National Park. This research is important to rescue Daun Sang. Based on spatial analysis can provide important and accurate information about the habitat linkages of Daun Sang. Daun Sang of the components of a particular habitat, areas that may be used as habitat for Daun Sang, or they can be for the predict Daun Sang population in an area and view information about the condition of habitat at any given time. This study aims to map the distribution of Daun Sang and predict the level of habitat suitability based on altitude. Belt Transect used  for this research and overlap (overlay) to create a map of the distribution of Daun Sang. The results showed that Daun Sang were found scattered near each other between one individual with another individual on sloping land and grow in the shade of the trees. Daun Sang habitat suitability for altitude in the resort level Sei Betung is ≥ 60 masl and high suitability for level terrain is "very steep" (≥ 45%). Keywords: Daun Sang (Johannesteijsmannia altifrons), Spatial Analysis, Resort Sei Betung.
Study of The Processing and Financial Analysis of Berembang Fruit (Sonneratia caseolaris) as Food and Drink Material in Deli Serdang Regency Inggrid Tarihoran; Agus Purwoko; Kansih Sri Hartini
Peronema Forestry Science Journal Vol 2, No 1 (2013): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (620.665 KB)

Abstract

Utilization of mangrove fruit become to food and drink very rarely published. One of mangrove fruit used was fruits of Sonneratia caseolaris.Not many peoples know about these berembang fruits processing but the people in the lictoral Deli Serdang has begun berembang fruits processing as material food and drink. This research aims to determine berembang fruit processing as material food and drink, to determine the financial feasibility berembang fruit processing, and to determine for berembang fruit processing development of strategy. To determine the berembanng fruit processing is done by interview and questionnaire, while for financial using cost and value analysis, Revenue Cost Ratio (R/C) analysis, Payback Period (PP) analysis, Break Event Point (BEP) analysis and for  development of strategy using by SWOT analysis. The result showed in traditional that processing of berembang fruit, while the results of the financial analysis known that berembang fruit processing become a lunkhead and syrup are feasible because of the R/C ratio greater than one (1,39 and 1,42). Based on the strategy SWOT, the most strategy needed was WO strategy. PP lunkhead and syrup of 4.9 and 4.3 and BEP production volumeof lunkhead and syrup of (72 and 73 units) are still below the production volume of 100 units. Based on the SWOT strategy, a strategy that is needed is a strategy ST, WT, SO, and WO. Key words : Sonneratia caseolaris, financial analysis, berembang fruit, SWOT analysis
ANALISIS FINANSIAL PEMANFAATAN DAUN NIPAH (Nypa fruticans Wurmb.) SEBAGAI BAHAN BAKU PEMBUATAN PEMBUNGKUS ROKOK Dian Puspita Sari; Agus Purwoko; Kansih Sri Hartini
Peronema Forestry Science Journal Vol 2, No 2 (2013): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (369.326 KB)

Abstract

Nypa is one of the non-timber forest product. Almost all parts of the nypa plant can be used, one of which is its leaves. Nypa leaves can be used as raw material of cigarette wrapping as a substitute of cigarette paper for curl up the tobacco. This study aims to find out of processing nypa leaves into cigarette wrapping, the financial feasibility, and the contribution of business to labor incomes at UD. Metro Jaya, Pekubuan village, Tanjungpura Sub-district, Langkat District. The research was conducted in June-July 2012. The sample was selected by purpossive sampling. The method using cost and revenue analysis, RC ratio analysis, break event point analysis, payback period analysis, and contribution to labour income. The processing of nypa leaves make it do the traditional system. The results showed that financially, the business of processing nypa leaves into cigarette wrapping was feasible, because its RC ratio more than one (1.44). BEP of production volume is 695 kg and BEP of price is about Rp. 17,250,- per kilogram. While the payback period is 8.03 and the contribution value from the business of cigarette wrapping to labor income is almost 100%. Keywords : nypa leaves, cigarette wrapping, financial analysis, contribution to income.
Kajian Bentuk Pengolahan dan Analisis Finansial Buah Api api (Avicennia officinalis L.) sebagai Bahan Makanan dan Minuman di Kabupaten Deli Serdang Gustinaria Sianturia; Agus Purwoko; Kansih Sri Hartini
Peronema Forestry Science Journal Vol 2, No 2 (2013): Peronema Forestry Science Journal
Publisher : Program studi Kehutanan USU

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (574.373 KB)

Abstract

This study was aimed to identify the technique of processing, financial feasibility, and business development strategies of  Api api fruits (Avicennia officinalis L.) processing at Dusun Paluh Merbau, Tanjung Rejo Vilage,Sub District of Percut Sei Tuan, District of Deli Serdang. The analysis methods used are descriptive analysis, financial analysis, and analysis of the business development strategy by using SWOT analysis. The results showed that the product of processed Api api fruits at Dusun Paluh Merbau are chips, donuts, spongecake and dawet. All kinds of processing are feasible to be developed and have a favorable prospect. It can be seen from the value of  R / C ratio which is more than one. Based on the SWOT analysis, the major threat that influence on the development of processing Api api fruits  are the absence of permit from the Department of Health and halal certificate’s from MUI to ensure the product is safe for consumption. Key words: Avicennia officinalis, finance analysis, SWOT analysis.
Sifat Tanah dan Pola Curah Hujan pada Perkebunan Kayu Manis (Cinnamomum burmannii) di Mandailing Natal, Sumatera Utara: Soil Properties and Rainfall Regimes in Cinnamon (Cinnamomum burmannii) Plantations in Mandailing Natal, North Sumatra Ritonga, Faujiah Nurhasanah; Lestari, Andi Tri; Susilowati, Arida; Pelawi, Deanova Frestiana Br; Anna, Nelly; Hartini, Kansih Sri; Elfiati, Deni
PERENNIAL Vol 22 No 1 (2026): Vol. 22 No. 1, April 2026
Publisher : Forestry Faculty of Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24259/perennial.v22i1.49583

Abstract

The sustainable cultivation of Cinnamomum burmannii in tropical regions requires a thorough understanding of soil properties and rainfall patterns, as these factors critically influence nutrient availability, plant growth, and long-term productivity. This study evaluates the soil properties and climatic conditions of Sawahan Village, Mandailing Natal Regency, to assess their suitability for the cultivation of C. burmannii. Soil samples were analyzed for physical and chemical characteristics, including organic carbon, total nitrogen, phosphorus, potassium, pH, exchangeable aluminum, macro- and micronutrients, and soil texture. Rainfall data over 25 years were also examined to understand the water availability and potential influence on soil fertility. The results indicate that the soils possess moderate organic matter and nutrient content, slightly acidic to near-neutral pH, absence of exchangeable aluminum toxicity, and a sandy loam texture conducive to drainage and root growth. The region experiences high and well-distributed rainfall, which supports perennial crop development but may increase nutrient leaching in sandy soils. These findings suggest that Sawahan Village provides favorable conditions for C. burmannii cultivation, provided that sustainable soil management practices, such as organic amendments, balanced fertilization, and erosion control, are implemented. The study highlights the importance of integrating climatic and soil assessments to optimize cinnamon productivity and provides baseline data for future land management and agroforestry planning in tropical regions.
Short Communication: Strong genetic differentiation of the endemic rosin-producing tree Styrax sumatrana (Styracaceae) in North Sumatra, Indonesia HENTI HENDALASTUTI RACHMAT; ARIDA SUSILOWATI; DENI ELFIATI; KANSIH SRI HARTINI; WIZA NONI FARADILLAH
Biodiversitas Journal of Biological Diversity Vol. 18 No. 4 (2017)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d180407

Abstract

Rachmat HH, Susilowati A, Elfiati D, Hartini KS, Faradillah WN. 2017. Short Communication: Strong genetic differentiation of the endemic rosin-producing tree Styrax sumatrana (Styracaceae) in North Sumatra, Indonesia. Biodiversitas 18: 1331-1335. Styrax sumatrana is an economically important rosin-producing tree endemic to North Sumatra, Indonesia. Distribution of this species is very limited, and the high rate of forest degradation in Sumatra is increasing the necessity for conservation. To quantify genetic variation and population structuring, we collected individuals from 3 populations namely Pakpak Bharat, Humbang Hasundutan (Humbahas) and Tapanuli Utara in which each of the population was represented by 10 individuals. However, the successful rate of amplification was varied among populations and for later analysis, we only took an account those sequences showing clear electropherograms and disposed those which showed ambiguity. We sequenced trnL-trnF chloroplast DNA (cpDNA) region yielded 941 bp after alignment. The trnL-trnF assigned the species into 4 haplotypes in which Pakpak Bharat was differentiated significantly and not shared any similar haplotypes with two others populations. Humbahas and Tapanuli Utara was shared one common haplotype. Mean nucleotide diversity at silent sites ranged 0 - 3.33 x 10-3, while nucleotide diversity at non-synonymous site ranged 0 - 5.9 x 10-4. Strong genetic differentiation was also found among 3 origin populations, with the highest pairwise genetic differentiation found on Pakpak Bharat and Tapanuli Utara (FST= 0.80952). Clear and apparent genetic structuring was possibly caused by geographical barriers such as highland and mountain ranges (Bukit Barisan mountain ranges) which acted as effective barriers to gene flow among population. The findings suggest that conservation efforts should focus on every population because each of the population maintains distinct genetic identity.
Co-Authors Agus Purwoko ARIDA SUSILOWATI Arida Susilowati Iswanto Deni Elfiati DENI ELFIATI Dian Puspita Sari Gustinaria Sianturia HENTI HENDALASTUTI RACHMAT Inggrid Tarihoran Lestari, Andi Tri Nelly Anna Pelawi, Deanova Frestiana Br Purwoko, Agus Ritonga, Faujiah Nurhasanah Rudi Hartono Siti Harianti Manurung Siti Latifah WIZA NONI FARADILLAH