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INDONESIA
Jurnal Agroekoteknologi Terapan
Published by Universitas Sam Ratulangi
ISSN : -     EISSN : 27970647     DOI : https://doi.org/10.35791/jat.v2i1.34060
Core Subject : Agriculture, Social,
Agriculture, Biological Sciences & Forestry Environmental Science
Jurnal Agroekoteknologi Terapan adalah bagian dari Program Studi Agroteknologi Fakultas Pertanian Universitas Sam Ratulangi Manado 95115. Bertujuan untuk mempublikasikan akumulasi dari hasil-hasil penelitian yang berhubungan dengan ilmu dan teknologi pertanian terapan (applied agrotechnology).
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 164 Documents
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Comparative Anatomy Of Leaves Of Several Types Of Ficus Euis F. S. Pangemanan; Semuel P. Ratag; Marthen T. Lasut
Jurnal Agroekoteknologi Terapan Vol. 3 No. 2 (2022): EDISI JULI-DESEMBER 2022
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v3i2.44519

Abstract

Leaf anatomy studies need to be carried out to support morphological plant identification. Leaf anatomy was observed because leaves have varying tissue structures. The characteristics of stomatal density, epidermal cell shape, and leaf mesophyll structure are constant in each species so that they can be used as a reference. The aim of the study was to identify the anatomical characters of the leaves of various types of Ficus. Samples were collected from Tahura Gunung Tumpa. Observation of the anatomical structure of Ficus leaves using a light microscope based on Sass (1951) and Johansen (1940) and carried out at the Laboratory of Plant Structure and Development, Faculty of Biology UGM. Data analysis was carried out descriptively and presented in the form of tables and figures. Leaf anatomy observations were carried out on 19 Ficus species found in TAHURA Gunung Tumpa, namely Ficus fistulosa, F. forstenii, F. microcarpa, F. ampelas, F. septica, F. tinctoria, F. variegata, F. benjamina, F. subulata , F. punctata, F. elegans, F. hispida, F. racemose, F. elastica, F. minhassae, Ficus sp1, Ficus sp2, Ficus sp3, and Ficus sp4. Based on the location of the hypodermis, 3 groups of Ficus were found, namely: species with hypodermis located on one side, species with hypodermis located on both sides, and species without hypodermis. Based on the presence or absence of a vessel sheath in the mesophyll, Ficus is divided into 2 groups, namely having and not having a vessel sheath. Lithocyte cells were found in all Ficus leaves observed, with various shapes and locations. Conclusion. The anatomical character of Ficus leaves differs between species Keywords: Ficus, comparative anatomy, leaves Abstrak Studi anatomi daun perlu dilakukan untuk mendukung identifikasi tanaman secara morfologi. Anatomi daun diamati karena daun memiliki struktur jaringan yang bervariasi Karakteristik kerapatan stomata, bentuk sel epidermis, dan struktur mesofil daun bersifat konstan pada setiap spesies sehingga dapat dijadikan acuan. Tujuan penelitian untuk mengidentifikasi karakter anatomi daun berbagai jenis Ficus. Sampel dikumpulkan dari Tahura Gunung Tumpa. Pengamatan struktur anatomi daun Ficus menggunakan mikroskop cahaya berdasarkan Sass (1951) dan Johansen (1940) dan dilakukan di Laboratorium Struktur dan Perkembangan Tumbuhan, Fak Biologi UGM. Analisis data dilakukan secara deskriptif dan disajikan dalam bentuk tabel dan gambar. Pengamatan anatomi daun dilakukan pada 19 spesies Ficus yang ditemukan di TAHURA Gunung Tumpa, yaitu Ficus fistulosa, F. forstenii, F. microcarpa, F. ampelas, F. septica, F. tinctoria, F. variegata, F. benjamina, F. subulata, F. punctata, F. elegans, F. hispida, F. racemose, F. elastica, F. minahassae, Ficus sp1, Ficus sp2, Ficus sp3, dan Ficus sp4. Berdasarkan letak hipodermis, ditemukan 3 kelompok Ficus yaitu : jenis dengan hipodermis terletak pada salah satu sisi, jenis dengan hipodermis terletak pada kedua sisi, dan jenis yang tidak memiliki hipodermis. Berdasarkan ada tidaknya seludang pembuluh pada mesofil, Ficus dibagi dalam 2 kelompok yaitu memiliki dan tidak memiliki seludang pembuluh. Sel litosit ditemukan pada semua daun Ficus yang diamati, dengan bentuk dan lokasi yang beragam. Kesimpulan: karakter anatomi daun Ficus berbeda diantara jenis. Kata kunci: Ficus, anatomi perbandingan, daun
Spatial Mapping Of Coconut Plantation In Minahasa Regency, North Sulawesi Province Using Remote Sensing Data Wiske Ch. Rotinsulu; Semuel D. Runtunuwu; Hengkie Walangitan; Frangky J. Paat; Badrun Zaini
Jurnal Agroekoteknologi Terapan Vol. 3 No. 2 (2022): EDISI JULI-DESEMBER 2022
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v3i2.44520

Abstract

Kata kunci:  Interpretasi visual, perkebunan, citra satelit
Analysis of Honey Bee Business Income, Tandung Billa Farmers Group, Palopo City Fabiola B. Saroinsong; Yusfita Floria Rama; Hengki D. Walangitan
Jurnal Agroekoteknologi Terapan Vol. 3 No. 2 (2022): EDISI JULI-DESEMBER 2022
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v3i2.44522

Abstract

This study aims to describe the management of honey bees and analyze the income of honey bees managed by farmer groups. The method used is observation and interviews. The cost-of-income analysis uses the assumptions: (1) honey bee business revenues during 2021, (2) calculated costs include maintenance, harvesting and packaging costs, (3) costs that have been incurred in the past (sunk costs) before 2021 are not taken into account. The results showed that honey production was not harvested every month and not all stup were harvested simultaneously because it depended on the availability of feed, during the spring it could be done up to 3 times/month while during the non-flowering season harvesting was only done once in 2 months. The number of stups per harvest is 3-4 stups, the amount of production per stup is 1-2 liters, the total production based on group production data is ± 205-210 liters/year. Furthermore, honey products are packaged in 2 different types of packaging, namely 80 ml packaging with a selling price of Rp. 25,000/bottle and 525 ml packaging with a selling price of Rp. 150,000/bottle, average sales in 2021 of 150-200 liters. Based on the results of the analysis, it was found that the production cost of Rp. 29,650,000/year with an income of Rp. 61,650,000/year, thus the net income of the farmer group in the farmer group is Rp. 32,000,000 with a benefit cost ratio of 1.1. Keywords: honey, income, community forestry Abstrak Penelitian bertujuan untuk mendeskripsikan pengelolaan lebah madu dan menganalisis pendapatan lebah madu yang dikelola kelompok tani. Metode yang digunakan adalah observasi dan wawancara. Analisis biaya pendapatan menggunakan asumsi: (1) penerimaan usaha lebah madu selama tahun 2021, (2) biaya yang diperhitungkan mencangkup biaya pemeliharaan, pemanenan dan pengemasan, (3) biaya yang sudah dikeluarkan pada masa lalu (sunk cost) sebelum tahun 2021 tidak diperhitungkan. hasil penelitian menunjukkan bahwa produksi madu tidak setiap bulan dipanen dan tidak semua stup dipanen bersamaan karena tergantung dari ketersediaan pakan, saat musim bunga bisa dilakukan sampai 3 kali/bulan sedangkan saat tidak musim bunga pemanenan hanya dilakukan 1 kali dalam 2 bulan. Jumlah stup per panen sebanyak 3-4 stup, jumlah produksi per stup 1-2 liter, total produksi berdasarkan data produksi kelompok sebesar ± 205-210 liter/tahun. Selanjutnya produk madu dikemas dalam 2 jenis kemasan yang berbeda yaitu kemasan 80 ml dengan harga jual Rp 25.000/botol dan kemasan 525 ml dengan harga jual Rp. 150.000/botol, rata-rata penjualan tahun 2021 sebanyak 150-200 liter. Berdasarkan hasil analisis diperoleh bahwa biaya produksi sebesar Rp. 29.650.000/tahun dengan penerimaan sebesar Rp. 61.650.000/tahun dengan demikian pendapatan bersih kelompok tani dalam kelompok tani sebesar yaitu sebesar Rp. 32.000.000 dengan benefit cost ratio 1,1. Kata Kunci: madu, pendapatan, hutan kemasyarakatan
Response Of The Root Of Vanilla (Vanilla planilia Andrew) Against Some Rootone F Concentration Jemmy Najoan; Meiti Silta Ronsul; Jelie Viekson Porong
Jurnal Agroekoteknologi Terapan Vol. 3 No. 2 (2022): EDISI JULI-DESEMBER 2022
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v3i2.44553

Abstract

This research was carrien out in Sea II village, Pineleng district Minahasa regency in April-june 2022. Thes study aims to determine the best concentration of rootone F on the growth of vanilla root cuttings (Vanilla planifolia Andrew). The design used was a randomized block design (RAK) with the factor being examined, namely the concentration of Rootone F which consisted of 5 treatments, namely A0 (control), A1 (Rootone F concentration 50 mg/1,5 L), A2 (Rootone F concentration 100 mg/1,5 L), A3 (Rootone F concentration 150 mg/1,5 L), and A4 (Rootone F concentration 50 mg/1,5 L). the variables observed were dry weight, number of roos and root length. It was found that the concentration of Rootone F with the best response for rooting of vanilla cuttings was obtained at a concentration of 50 mg/1.5 L (A1). Keywords: Vanilla, and Rootone F. Abstrak Penelitian ini telah di laksanakan di Desa Sea II, Kecamatan Pineleng, Kabupaten Minahasa pada bulan April-Juni 2022. Penelitian ini bertujuan untuk mengetahui konsentrasi Rootone F terbaik pada pertumbuhan stek akar tanaman vanili ( Vanilla planifolia Andrew). Rancangan yang di gunakan yaitu Rancangan Acak Kelompok (RAK) dengan faktor yang di teliti yaitu konsentrasi Rootone F yang terdiri dari 5 perlakuan, yaitu A0 (kontrol), A1 (konsentrasi Rootone F 50 mg/1,5 L), A2 (konsentrasi Rootone F 100 mg/1,5 L), A3 (konsentrasi Rootone F 150 mg/1,5 L), dan A4 (konsentrasi Rootone F 200 mg/1,5 L). variabel yang di amati yaitu Bobot Kering, Jumlah akar,dan Panjang akar. Didapatkan konsentrasi Rootone F dengan respon terbaik untuk perakaran stek tanaman vanili yaitu pada perlakuan konsentrasi 50 mg/1,5 L (A1). Kata kunci: Tanaman vanili, Rootone F
Utilization Of Household Organic Waste As An Eco-Enzyme For The Growth And Product Of Cultivate Culture (Lactuca sativa L.) Ronny Nangoi; Rena Paputungan; Tommy B. Ogie; Rafli I. Kawulusan; Rinny Mamarimbing; Frangky J. Paat
Jurnal Agroekoteknologi Terapan Vol. 3 No. 2 (2022): EDISI JULI-DESEMBER 2022
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v3i2.44862

Abstract

This study aims to determine the effect of appropriate Eco Enzyme application on the growth and yield of lettuce (Lactuca sativa L). This study used a non-factorial Completely Randomized Design (CRD) consisting of 4 treatments, namely PO-control, P1 = 15 ml (1.5%) Eco Enzyme / 1 L water, P2 -30 ml (3 %) Eco Enzyme / 1 L water , P4 = 45 ml (4.5%) Eco Enzyme / 1 L water. And each treatment was repeated 4 times to obtain 16 polybags of experimental units. Observational data were analyzed using ANOVA, and if there is a significant difference then a Least Significant Difference (LSD) level of 5% is further tested. The results showed that the administration of various concentrations of Eco Enzyme on the growth and yield of lettuce plants had a significant effect on plant height, number of leaves, and fresh weight, with the best concentration being 4.5% (45 ml) Eco Enzyme / 1 L of water Keywords: Household Organic Waste, Ecoenzyme, Lactuca Growth. Abstrak Penelitian ini bertujuan untuk mengetahui pengaruh pemberian Eco Enzyme yang sesuai terhadap pertumbuhan dan hasil tanaman selada (Lactuca sativa L). Penelitian ini Menggunakan Rancangan Acak Lengkap (RAL) non faktorial yang terdiri dari 4 perlakuan taitu P0=kontrol, P1 = 15 ml (1,5 %) Eco Enzyme /1 L air, P2 = 30 ml (3 %) Eco Enzyme /1 L air, P4 = 45 ml (4,5%) Eco Enzyme / 1 L air. Dan setiap perlakuan di ulang sebanyak 4 kali sehingga diperoleh 16 polibag satuan percobaan. Data hasil pengamatan dianalisi mengunakan Anova, dan dan jika terdapat perbedaan yang nyata maka dilakukan uji lanjut Beda Nyata Terkecil (BNT) taraf 5%. Hasil penelitian menunjukkan bahwa pemberian berbagai kosentarsi Eco Enzyme terhadap pertumbuhan dan hasil tanaman selada berpengaruh nyata terhadap tinggi tanaman, jumlah daun, dan bobot segar, dengan kosetrasi terbaik yaitu 4,5% (45 ml) Eco Enzyme / 1 L air. Kata Kunci: Sampah Organik Rumah Tangga, Ecoenzyme, Pertumbuhan Lactuca.
Efficiency Of Some Combinations Of Planting Media Against Growth And Yield Of Red Lettuce Plants (Lactuca sativa VAR. Red Rapids) Riven Sadil; Bobby J. V. Polii; Tommy B. Ogie
Jurnal Agroekoteknologi Terapan Vol. 3 No. 2 (2022): EDISI JULI-DESEMBER 2022
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v3i2.44863

Abstract

The purpose of this study is to obtain an efficient combination of planting media for the growth and yield of vegetables, especially the Red Lettuce plant (Lactuca sativa var Red rapids). This research was carried out at the Greenhouse of the Faculty of Agriculture, Sam Ratulangi University from July to September 2022. This study used a non-factorial Complete Randomized Design (RAL) which was carried out with 5 treatments and 4 tests. So there are 20 experimental units. M0 (Soil without combination) as a control, M1(Combination of Soil and Husk), M2 (Combination of Soil and Husk Charcoal), M3(Combination of Soil and Sawdust) and M4 (Combination of Soil and Burn Sawdust). The results showed that the M4 treatment (Combination of Soil and Burn Sawdust) gave the best plant height with an average of 18.13 cm, the average number of leaves was 19.00 strands, the average brangkasan weight was 97.75 grams, the wet weight of the roots averaged 3.75 grams and based on the Fingerprint Analysis had a noticeable influence on the number of leaves, leaf width and weight of the Red Lettuce plant (Lactuca sativa var. Red rapids). Keywords: Growing media, combination, Lactuca sativa var. Red rapids Abstrak Tujuan dari penelitian ini adalah untuk mendapatkan kombinasi media tanam yang efisien untuk pertumbuhan dan hasil sayuran khususnya tanaman Selada Merah (Lactuca sativa var Red rapids). Penelitian ini dilaksanakan di Rumah Kaca Fakultas Pertanian Universitas Sam Ratulangi pada bulan Juli sampai September 2022. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) non faktorial yang dilakukan dengan 5 perlakuan dan 4 pengujian. Jadi terdapat 20 satuan percobaan. M0 (Tanah tanpa kombinasi) sebagai kontrol, M1 (Kombinasi Tanah dan Sekam), M2 (Kombinasi Tanah dan Arang Sekam), M3 (Kombinasi Tanah dan Serbuk Gergaji) dan M4 (Kombinasi Tanah dan Serbuk Gergaji Bakar). Hasil penelitian menunjukkan bahwa perlakuan M4 (Kombinasi Tanah dan Serbuk Gergaji Bakar) memberikan tinggi tanaman terbaik dengan rata-rata 18,13 cm, rata-rata jumlah daun 19,00 helai, berat brangkasan rata-rata 97,75 gram, berat basah akar rata-rata 3,75 gram dan berdasarkan Analisa Sidik Jari berpengaruh nyata terhadap jumlah daun, lebar daun dan berat tanaman Selada Merah (Lactuca sativa var. Red rapids). Kata kunci: Media tanam, kombinasi, Lactuca sativa var. Red rapids
The State of Soil Chemical Fertility in Pineapple Agrotourism Land, Bolaang Mongondow Regency Adinda Putri Sudjono Wasir; Zetly E. Tamod; Tommy D. Sondakh
Jurnal Agroekoteknologi Terapan Vol. 3 No. 2 (2022): EDISI JULI-DESEMBER 2022
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v3i2.44864

Abstract

Soil is a natural resource mostly from the surface of the planet earth that is capable of growing plants and has properties as a result of the influence of climate and living organisms that act on the parent material in certain relief conditions. This shows that an area can have different soil properties. This study aims to Based on the results of research that has been carried out in the pineapple agro-tourism area of Bolaang Mongondow Regency, it shows that the nutrient content of the land is low - very low, while the soil pH on the land is neutral. Thus, efforts to increase nutrient fertility at locations in the area can be done through fertilization of both organic and anorganic fertilizers. determine the chemical fertility of the soil (pH, KTK, N, P, K, Ca and C-organic). Key words: Agrotourism Land, Soil Fertility Abstrak Tanah adalah sumber daya alam yang sebagian besar berasal dari permukaan planet bumi yang mampu menumbuhkan tanaman dan memiliki sifat sebagai akibat pengaruh iklim dan organisme hidup yang bertindak atas bahan induk dalam kondisi relief tertentu. Hal ini menunjukkan bahwa suatu daerah dapat memiliki sifat tanah yang berbeda-beda. Penelitian ini bertujuan Berdasarkan hasil penelitian yang telah dilakukan di kawasan agrowisata nanas Kabupaten Bolaang Mongondow menunjukkan bahwa kandungan unsur hara tanah rendah – sangat rendah, sedangkan pH tanah pada tanah tersebut adalah netral. Dengan demikian, upaya peningkatan kesuburan hara pada lokasi-lokasi di kawasan dapat dilakukan melalui pemupukan baik pupuk organik maupun anorganik. menentukan kesuburan kimia tanah (pH, KTK, N, P, K, Ca dan C-organik). Kata Kunci : Lahan Agrowisata, Kesuburan Tanah
Analysis Of Land Characteristics Outbound Area To Support Tourism In Manado City Ronny Soputan; Djoni Kaunang; Verry R.Ch. Warouw
Jurnal Agroekoteknologi Terapan Vol. 3 No. 2 (2022): EDISI JULI-DESEMBER 2022
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v3i2.44865

Abstract

This study aims to: (1) determine the type of vegetation/soil use; (2) knowing the morphology and analyzing the characteristics of the outbound soil; (3) Determine land suitability classification for tourism; and (4) recommendations for land use directions in outbound tourism areas. This research was conducted at Outbound Treetop Zipline Park Grand Luley Resort Tongkaina, Bunaken sub-district, Manado city. This research is a descriptive exploratory research with a variable approach through field surveys and supported by laboratory analysis. Observation and collection of data on the type of vegetation/land use is carried out by means of a field survey. Analysis of soil characteristics was carried out on the physical and chemical properties of the soil referring to the Staff of the Bogor Soil Research Center. The results showed that (1) the type of vegetation on the outbound route for Flying-Fox and Sky Bridge was dominated by mango trees (Mangifera indica), followed by breadfruit trees (Artocarpus altilis) and walnuts (Canarium Indicum); (2) land morphology and physical characteristics Soil in this area, namely the effective depth of soil is included in the deep class (> 100 cm), located at an altitude of 20 - 42 m above sea level, the slope consists of 0 - 2% (flat), 2 - 8% (wavy) and 8 - 15 % (wavy), loamy sand textured, and fast soil permeability, well drained, no rock outcrops and flood hazard (3) soil chemical characteristics in this area consist of soil pH 6.77 - 6.98 (neutral), C-organic ranging 0.31 - 1.74 (very low - low), total N 0.03 - 0.15 % (very low - low), C/N ratio 3.48 - 12.43 % (very low - low), Available-P is 7.64 - 11.46 ppm (very low - low), and available K ranges from 12.73 - 23.70 ppm (low - moderate); (4) The suitability of tourism land in the Outbound Manado Treetop Zipline Park Grand Luley Resort Tongkaina area is included in the good criteria. Keywords: land characteristics, outbound, tourism, Manado city Abstrak Penelitian ini bertujuan untuk : (1) mengetahui jenis vegetasi/penggunaan tanah; (2) mengetahui morfologi dan menganalisis karakteristik tanah outbound; (3) Menetapkan klasifikasi kesesuaian lahan untuk pariwisata; dan (4) rekomendasi arahan penggunaan tanah di kawasan wisata outbound. Penelitian ini dilaksanakan di Outbound Treetop Zipline Park Grand Luley Resort Tongkaina, kecamatan Bunaken, kota Manado. Penelitian ini merupakan penelitian deskriptif eksploratif dengan pendekatan variabel melalui survei lapangan dan didukung oleh analisis laboratorium. Pengamatan dan pengambilan data tentang jenis vegetasi/pengunaan tanah dilakukan dengan cara survei lapangan. Analisis karakteristik tanah dilakukan atas sifat fisik dan kimia tanah yang mengacu pada Staf Pusat Penelitian Tanah Bogor. Hasil penelitian menunjukkan (1) Jenis vegetasi pada jalur outbound untuk Flying-Fox dan Sky Bridge didominasi oleh pohon mangga (Mangifera indica), diikuti oleh pohon sukun (Artocarpus altilis) dan kenari (Canarium Indicum);(2) morfologi lahan dan karakteristik fisik tanah di kawasan ini yaitu kedalaman efektif tanah termasuk pada kelas dalam (> 100 cm), terletak pada ketinggian 20 - 42 m dpl, kemiringan lereng terdiri atas 0 - 2 % (datar), 2 - 8 % (berombak) dan 8 - 15 % (bergelombang), bertekstur pasir berlempung, dan permeabilitas tanah cepat, berdranase baik, tidak terdapat singkapan batuan dan bahaya banjir (3) karakteristik kimia tanah di kawasan ini terdiri atas pH tanah 6,77 - 6.98 (netral), C-organik berkisar 0,31 - 1,74 (sangat rendah - rendah), N total 0,03 - 0,15 % ( sangat rendah - rendah), ratio C/N 3,48 - 12,43 % (sangat rendah - rendah), P-tersedia 7,64 - 11,46 ppm (sangat rendah - rendah), dan K tersedia berkisar 12,73 - 23,70 ppm (rendah - sedang); (4) Kesesuaian lahan pariwisata di kawasan Outbound Manado Treetop Zipline Park Grand Luley Resort Tongkaina termasuk pada kriteria baik. Kata kunci: karakteristik lahan, outbound, pariwisata, kota manado
Plant Morphology and Analysis of Yellow Temulawak Curcumin (Curcuma xanthorrhiza Roxb.) In the Kinilow Village Meilani Elseday Ma'tan; Arthur G. Pinaria; James B. Kaligis; Jackson F. Watung; Frangky J. Paat; Diane D. Pioh
Jurnal Agroekoteknologi Terapan Vol. 3 No. 2 (2022): EDISI JULI-DESEMBER 2022
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v3i2.44871

Abstract

Temulawak or Curcuma xanthorrhiza Roxb is a very famous plant in Indonesia, even in the world. Temulawak is a plant that is often used as medicine and can be found in tropical forests. The purpose of this study was to determine the morphology of the yellow temulawak plant and to analyze the content of the curcumin compound found in the yellow temulawak. This study used TLC-Densitometry. The sample used was yellow curcuma found in Kinilow Village, Tomohon City, North Sulawesi Province. For morphological observations, only one plant was used as the object of observation. Based on the results of the study it can be concluded that the morphology of yellow temulawak has a plant height of 1.29 m, stem height of 79 cm, leaf length of 71 cm, leaf width of 26 cm. Curcuma is white, purple and light green. flowers, root length 13 cm, and rhizome weight 250 grams. The curcumin content of yellow temulawak was obtained at 0.98%. Keywords: Temulawak, curcumin, TLC-Densitometry Abstrak Temulawak atau Curcuma xanthorrhiza Roxb merupakan tumbuhan yang sangat terkenal di Indonesia, bahkan di dunia. Temulawak merupakan tanaman yang sering digunakan sebagai obat dan dapat ditemukan di hutan tropis. Tujuan dari penelitian ini adalah untuk mengetahui morfologi tanaman temulawak kuning dan menganalisis kandungan senyawa kurkumin yang terdapat pada temulawak kuning. Penelitian ini menggunakan KLT-Densitometri. Sampel yang digunakan adalah temulawak kuning yang terdapat di Desa Kinilow Kota Tomohon Provinsi Sulawesi Utara. Untuk pengamatan morfologi, hanya satu tumbuhan yang dijadikan objek pengamatan. Berdasarkan hasil penelitian dapat disimpulkan morfologi temulawak kuning memiliki tinggi tanaman 1,29 m, tinggi batang 79 cm, panjang daun 71 cm, lebar daun 26 cm. Temulawak berwarna putih, ungu dan hijau muda. bunga, panjang akar 13 cm, dan berat rimpang 250 gram. Kandungan kurkumin temulawak kuning diperoleh sebesar 0,98%. Kata kunci: Temulawak, kurkumin, KLT-Densitometri
Analysis of the Soil Erosion Hazard Level on the East Coast of Minahasa (Case Study of Kombi District) Sandra E. Pakasi; Wiske C. Rotinsulu; Juliet M. Eva Mamahit; Melisa P. Todingan
Jurnal Agroekoteknologi Terapan Vol. 3 No. 2 (2022): EDISI JULI-DESEMBER 2022
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v3i2.44884

Abstract

The development of the Minahasa East Coast area into a tourism area has caused a tendency to change land use. Kombi Subdistrict is one of the areas on the East Coast of Minahasa that has experienced changes in land use with many investors building tourism areas there. The rate of land clearing in the area can accelerate the process of erosion. This research was carried out with the aim of knowing the level of soil erosion hazard on the East Coast of Minahasa, especially in Kombi District, in order to prevent soil damage so that environmental sustainability can be maintained and the development of tourism areas in the area can continue. The method used in this research is the overlay method for making digital maps and calculating erosion using the USLE method. The results of the analysis show that the Minahasa East Coast area, especially in Kombi District, has a light erosion hazard level of 1492.10 Ha, a moderate erosion hazard level of 5036.35 Ha, and a severe erosion hazard level of 6970.94 Ha. Keywords: erosion hazard level, soil Abstrak Pengembangan kawasan Pantai Timur Minahasa menjadi kawasan pariwisata, menyebabkan kecenderungan terjadi perubahan pemanfaatan lahan. Kecamatan Kombi adalah salah satu wilayah di Pantai Timur Minahasa yang mengalami perubahan penggunaan lahan dengan banyaknya investor yang membangun kawasan pariwisata di sana. Lajunya pembukaan-pembukaan lahan di daerah tersebut, dapat mempercepat proses terjadinya erosi. Penelitian ini dilaksanakan dengan tujuan mengetahui tingkat bahaya erosi tanah di Pantai Timur Minahasa khususnya di Kecamatan Kombi agar dapat mencegah kerusakan tanah sehingga kelestarian lingkungan dapat terjaga dan pengembangan kawasan pariwisata di daerah tersebut dapat berlanjut. Metode yang digunakan dalam penelitian ini adalah metode overlay untuk pembuatan peta digital dan perhitungan erosi menggunakan metode USLE. Hasil analisis menunjukkan kawasan Pantai Timur Minahasa khususnya di Kecamatan Kombi memiliki tingkat bahaya erosi ringan seluas 1492.10 Ha, tingkat bahaya erosi sedang seluas 5036.35 Ha, dan tingkat bahaya erosi berat seluas 6970.94 Ha. Kata Kunci : tingkat bahaya erosi, tanah

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