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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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Effect Of The Addition Of Andaliman Powder (Zanthoxylum acanthopodium) On The Chemical And Organoleptic Characteristics Of Moringa Tempe Nuggets Yosi Rosalinda Siregar; Yoakhim Y.E. Oessoe; Tineke Marlyn Langi
Jurnal Agroekoteknologi Terapan Vol. 4 No. 1 (2023): EDISI JANUARI-JUNI 2023
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v4i1.46706

Abstract

The purpose of this study is to analyze the sensory and chemical characteristics of Moringa tempeh nuggets with the addition of andaliman powder. Nuggets are ready-to-eat food products that are easy to find and always available, this study used the Complete Randomized Design (RAL) research method with the treatment of adding andaliman powder for each treatment of 3 repeats, namely, A1 treatment (2g), A2 treatment (4g), A3 treatment (6g), A4 treatment (8g), A5 treatment (10g). The parameters tested were sensory characteristics (color, taste, aroma, and texture), and Chemical characteristics (moisture content, proteins, and fats). Based on the results of chemical and sensory analysis, the panelists' level of favorability for Moringa tempeh nuggets with the addition of andaliman powder, namely color 3.8–4.63 (neutral-somewhat like), taste 4.4-5.03 (neutral-somewhat like), aroma 4.6-5.23 (somewhat like), texture 3.93–4.9 (neutral-somewhat like), with water content (30.33%), protein content (21.89%), fat (3.75%). Keywords: Moringa Tempe Nuggets, Andaliman Powder Abstrak Tujuan dari penelitian ini adalah untuk menganalisis karakteristik sensoris dan kimia nugget tempe kelor dengan penambahan bubuk andaliman. Nugget merupakan produk makanan siap saji yang mudah ditemui dan selalu tersedia. Penelitian ini menggunakan metode penelitian Rancangan Acak Lengkap (RAL) dengan perlakuan penambahan bubuk andaliman masing-masing perlakuan 3 kali pengulangan yaitu, perlakuan A1 (2g), perlakuan A2 (4g), perlakuan A3 (6g), perlakuan A4 (8g), perlakuan A5 (10g). Parameter yang diuji adalah karakteristik sensoris (warna, rasa, aroma, dan tekstur), dan Karakteristik kimia (kadar air, protein, dan lemak). Berdasarkan hasil analisis kimia dan sensoris tingkat kesukaan panelis terhadap nugget tempe kelor dengan penambahan bubuk andaliman, yaitu warna 3,8–4,63 (netral-agak suka), rasa 4,4-5,03 (netral-agak suka), aroma 4,6-5,23 (agak suka), tekstur 3,93– 4,9 (netral-agak suka), dengan kadar air (30,33%), kadar protein (21,89 %), lemak (3,75%). Kata kunci: Nugget Tempe Kelor, Bubuk Andaliman.
The Chlorophyll Content Of Dalugha (Cyrtosperma merkusii (Hassk.) Schott) In Open & Shaded Light Conditions In The Swamp Edge Of Lake Kapeta, Siau Island, Sitaro Regency Semuel P. Ratag; Euis F.S. Pangemanan
Jurnal Agroekoteknologi Terapan Vol. 4 No. 1 (2023): EDISI JANUARI-JUNI 2023
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v4i1.46711

Abstract

Plant chlorophyll plays an important role in the process of photosynthesis. The amount of its content in the leaves can indicate its adaptation to light conditions. This article describes the chlorophyll content of the Dalugha plant in the swamp edge of Lake Kapeta, Siau Island, Sitaro Regency which grows in open light, open-shaded and shaded conditions. This study aims to analyze the differences in the chlorophyll content of Dalugha plant leaves in open, open-shaded, and shaded growing conditions. The method used is an observational method in which the response of plants is observed in a range of conditions provided by nature. Chlorophyll content was observed by measuring the absorbance of plant leaf extracts using a spectrophotometer. The results showed that there were differences in chlorophyll content in the leaves of the Dalugha plant growing under open light, open-shaded, and shaded conditions. In open light conditions it is lower than in open-shaded and shaded conditions. Keywords: Dalugha, Chlorophyll, Light  Abstrak Klorofil tanaman berperan penting dalam proses fotosintesis. Jumlah kandungannya dalam daun bisa menunjukkan adaptasinya terhadap kondisi cahaya. Artikel ini menggambarkan tentang kandungan klorofil tanaman Dalugha di rawa tepi Danau Kapeta, Pulau Siau, Kabupaten Sitaro yang bertumbuh pada kondisi cahaya terbuka, terbuka-ternaungi, dan ternaungi.  Penelitian ini bertujuan untuk untuk menganalisis perbedaan kandungan klorofil daun tanaman Dalugha pada kondisi tempat tumbuh terbuka, terbuka-ternaungi, dan ternaungi. Metode yang digunakan adalah metode observasional dimana respon tanaman diamati pada suatu kisaran kondisi yang diadakan oleh alam. Kandungan klorofil diamati dengan metode pengukuran absorban ekstrak daun tanaman menggunakan spektrofotometer. Hasil penelitian menunjukkan bahwa ada perbedaan kandungan klorofil dalam daun tanaman Dalugha yang bertumbuh pada kondisi cahaya terbuka, terbuka-ternaung, dan ternaung. Pada kondisi cahaya terbuka lebih rendah dibandingkan pada kondisi terbuka-ternaung dan kondisi ternaung. Kata kunci: dalugha, klorofil, cahaya
Effect Of Maturity Level Of Kepok Banana (Musa paradisiaca formatypica) On Chemical And Organoleptic Properties Of Frozen Fried Banana Maria Anastasia Ferida Bura; Maya M. Ludong; Yoakhim Y.E. Oessoe
Jurnal Agroekoteknologi Terapan Vol. 4 No. 1 (2023): EDISI JANUARI-JUNI 2023
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v4i1.44237

Abstract

This study aims to determine the maturity level of good kepok bananas in the manufacture of frozen fried bananas. Based on chemical characteristics (moisture content, fat content, total sugar), and organoleptic. This study used a factorial complete randomized design (RAL) which consisted of 4 treatments: P1 treatment, namely kepok bananas with a maturity level of 3 (yellowish green), P2 treatment, namely kepok bananas with a maturity level of 4 (more yellow than green), P3 treatment, namely kepok bananas with a maturity level of 5 (yellow with green tips), P4 treatment, namely kepok bananas with a maturity level of 6 (full yellow). The parameters analyzed were water content, fat content, total sugar and organoleptic which included taste and texture. The organoleptic test results of frozen fried bananas in the second frying pan which were the most preferred by the panelists in terms of taste and texture were the P4 treatment, namely full yellow ripeness level 6 bananas had good organoleptic, with chemical characteristics (44.50% moisture, 36.64% fat , and total sugar 40.81%). Keywords : Banana Kepok, Frozen Fried Banana, Banana Maturity Level. Abstrak Penelitian ini bertujuan untuk mengetahui tingkat kematangan pisang kepok yang baik dalam pembuatan pisang goreng beku. Berdasarkan sifat kimia (kadar air, kadar lemak, gula total), dan organoleptik. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) faktorial yang terdiri dari 4 perlakuan yaitu perlakuan P1 yaitu pisang kepok dengan tingkat kematangan 3 (hijau kekuningan), perlakuan P2 yaitu pisang kepok dengan tingkat kematangan 4 (lebih kuning dari hijau), perlakuan P3 yaitu pisang kepok dengan tingkat kematangan 5 (kuning berujung hijau), perlakuan P4 yaitu pisang kepok dengan tingkat kematangan 6 (kuning penuh). Parameter yang dianalisis adalah kadar air, kadar lemak, gula total dan organoleptik yang meliputi rasa dan tekstur. Hasil uji organoleptik pisang goreng beku pada penggorengan kedua yang paling disukai panelis dari segi rasa dan tekstur adalah perlakuan P4 yaitu pisang tingkat kematangan full yellow 6 memiliki organoleptik yang baik, dengan karakteristik kimiawi (kelembaban 44,50%). ), lemak 36,64%, dan gula total 40,81%). Kata kunci : Pisang kepok, Pisang Goreng Beku, Tingkat Kematangan Pisang
Induction Of Direct Somatic Embriogenesis Of Chrysanthemum In Ms And Naa Media Combined With Some Cytokinin Concentrations Hestia Sualang; Edy F. Lengkong; Pemmy Tumewu
Jurnal Agroekoteknologi Terapan Vol. 4 No. 1 (2023): EDISI JANUARI-JUNI 2023
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v4i1.44247

Abstract

This study aims to determine the effect of using MS media and ZPT NAA combined with several concentrations of cytokinins, namely BAP and Kinetin on somatic embryogenesis as seen from the growth of shoots of chrysanthemum (Chrysanthemum sp.). This research was conducted from June 2022 to October 2022 at the Genetics Laboratory of the Faculty of Agriculture, University of Sam Ratulangi. This study used a completely randomized design (CRD) with 7 treatments namely A (NAA 2.0 ppm); AB1 (NAA 2.0 ppm + BAP 1.0 ppm); AB2 (NAA 2.0 ppm + BAP 2.0 ppm); AB3 (NAA 2.0 ppm + BAP 3.0 ppm); AK1 (NAA 2.0 ppm + Kinetin 1.0 ppm); AK2 (NAA 2.0 ppm + Kinetin 2.0 ppm); AK3 (NAA 2.0 ppm + Kinetin 3.0 ppm). Each treatment was repeated 7 times resulting in 49 experimental units. Observational data were analyzed using the ANOVA test and continued with the 5% LSD test. The results showed that MS medium and growth regulator NAA combined with cytokinins could induce somatic embryogenesis of chrysanthemum plants, where concentrations of NAA 2.0 ppm and BAP 2.0 ppm had the best effect on the number and height of explant shoots. The concentration of NAA growth regulator at 2.0 ppm gave the highest number of roots and when combined with cytokinins it reduced the number of roots. Keywords: Growth Regulatory Substances, Somatic Embryogenesis, Chrysanthemum. Abstrak Penelitian ini bertujuan untuk mengetahui pengaruh penggunaan media MS dan ZPT NAA yang dikombinasikan dengan beberapa konsentrasi sitokinin yaitu BAP dan Kinetin terhadap embriogenesis somatik yang dilihat dari pertumbuhan tunas tanaman krisan (Chrysanthemum sp.). Penelitian ini dilaksanakan pada bulan Juni 2022 sampai Oktober 2022 di Laboratorium Genetika Fakultas Pertanian Universitas Sam Ratulangi. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) dengan 7 perlakuan yaitu A (NAA 2,0 ppm); AB1 (NAA 2,0 ppm + BAP 1,0 ppm); AB2 (NAA 2,0 ppm + BAP 2,0 ppm); AB3 (NAA 2,0 ppm + BAP 3,0 ppm); AK1 (NAA 2,0 ppm + Kinetin 1,0 ppm); AK2 (NAA 2,0 ppm + Kinetin 2,0 ppm); AK3 (NAA 2,0 ppm + Kinetin 3,0 ppm). Masing-masing perlakuan yang diulang 7 kali menghasilkan 49 satuan percobaan. Data hasil pengamatan dianalisis dengan menggunakan uji ANOVA dan dilanjutkan dengan uji BNT 5%. Hasil penelitian menunjukkan bahwa media MS dan zat pengatur tumbuh NAA yang dikombinasikan dengan sitokinin dapat menginduksi embriogenesis somatik tanaman krisan, dimana konsentrasi NAA 2,0 ppm dan BAP 2,0 ppm memberikan pengaruh terbaik terhadap jumlah dan tinggi tunas ekplan. Konsentrasi zat pengatur tumbuh NAA 2,0 ppm memberikan jumlah akar terbanyak dan apabila dikombinasikan dengan sitokinin dapat menekan jumlah akar. Kata kunci : Zat Pengatur Tumbuh, Embriogenesis Somatik, Krisan
Effect Of Npk Fertilizer On Growth And Production Of Sorghum (Sorghum bicolor (L.) Moench) Plants. Millenia Feyby Klau; Stella M.T Tulung; Edy F. Lengkong
Jurnal Agroekoteknologi Terapan Vol. 4 No. 1 (2023): EDISI JANUARI-JUNI 2023
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v4i1.47139

Abstract

Sorghum (Sorghum bicolor (L.) Moench) is one type of cereal plant that has a high nutritional content. The increasing number of people in Indonesia every year is increasing this causes the need for food is also increasing. The current national food production has not been able to meet the needs of the community due to experts in the function of paddy fields, low soil fertility and lack of water, so it is necessary to look for food plants that are able to withstand dry land. Sorghum is one of the solutions for food crops that are able to grow on marginal land, wide adaptation, need little water, suitable for planting on dry land and when the weather is hot. This study aims to determine the effect of NPK fertilizer on the growth and production of sorghum. The study was carried out in Tombatu Village, Southeast Minahasa Regency which took place from August to November 2021. The study used a Randomized Block Design (RAK) consisting of five levels of treatment P1 100 kg/ha, P2 200 kg/ha, P3 300 kg/ha, P4 400 kg /ha, P5 500 kg/ha, the treatment was repeated 5 times. Observation variables included dry weight of plantings, planting seed weight, weight of 1000 seeds ,number of seeds filled with plantings, and number of empty seeds from planting . The results showed that a dose of 500 kg/ha of NPK fertilizer gave the best results for dry weight of the plant , planting seed weight, 1000 seed weight and number of seeds filled with plantings, while the number of empty were not affected by the dose of fertilizer given. Keywords: NPK fertilizer, Sorghum (Sorghum bicolor (L.) Moench) Abstrak Sorgum (Sorghum bicolor (L.) Moench) merupakan salah satu jenis tanaman serealia yang memiliki kandungan nutrisi yang tinggi. Peningkatan jumlah penduduk di Indonesia setiap tahun semakin meningkat hal ini menyebabkan kebutuhan pangan juga semakin meningkat. Produksi pangan nasional yang ada saat ini belum mampu memenuhi kebutuhan masyarakat akibat ahli fungsi lahan sawah, kesuburan tanah rendah dan kekurangan air, sehingga perlu dicari tanaman pangan yang mampu tahan pada lahan kering. Tanaman sorgum merupakan salah satu solusi tanaman pangan yang mampu tumbuh di lahan marginal, adaptasi luas, butuh sedikit air, cocok ditanam pada lahan kering dan saat cuaca panas. Penelitian ini bertujuan untuk mengetahui pengaruh pemberian pupuk NPK pada pertumbuhan dan produksi tanaman sorgum. Penelitian dilaksanakan di Desa Tombatu, Kabupaten Minahasa Tenggara yang berlangsung dari bulan Agustus sampai November 2021. Penelitian menggunakan Rancangan Acak Kelompok (RAK) yang terdiri atas lima taraf perlakuan P1 100 kg/ha, P2 200 kg/ha, P3 300 kg/ha, P4 400 kg/ha, P4 500 kg/ha, perlakuan tersebut diulang sebanyak 5 kali. Variabel pengamatan meliputi berat kering pertanaman, berat biji pertanaman, berat 1000 biji, jumlah biji berisi pertanaman, dan jumlah biji hampa pertanaman. Hasil penelitian menunjukkan bahwa pemberian dosis pupuk NPK 500 kg/ha memberi hasil terbaik untuk berat kering pertanaman, berat biji pertanaman, berat 1000 biji dan jumlah biji berisi pertanaman sedangkan jumlah biji hampa pertanaman tidak dipengaruhi oleh dosis pupuk yang diberikan. Kata Kunci: Pupuk NPK, Tanaman Sorgum (Sorghum bicolor (L.) Moench)
Isolation And Characterization Of Taro Kolerea Tuber Starch In Sangihe Islands Regency Adiawan Saudarah; Maria F. Sumual; Henn A. Dien
Jurnal Agroekoteknologi Terapan Vol. 4 No. 1 (2023): EDISI JANUARI-JUNI 2023
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v4i1.46977

Abstract

This study aims to determine the concentration of NaCl and its interaction with the length of time of isolation of cholerea taro tuber starch, Analyze the physical characteristics of cholerea taro tuber starch, Analyze the proximate composition and oxalate content of cholerea taro tuber. The starch isolation method was designed in a Complete Randomized Design (RAL) with 9 combined treatments of NaCl concentration (%) and soaking time (min). The starch yield of cholerea taro tubers obtained from A1B1 5.97%, A1B2 6.99%, A1B3 7.31%, A2B1 8.09%, A2B2 8.59%, A2B3 9.06%, A3B1 0.42%, A3B2 9.90%, A3B3 10.11%. White Degree L* value ranges from 66.95 - 73.25, A* value ranges from 0.75 - 1.55, B* value ranges from 2.10 - 2.95 and Water Holding capacity (WHC) ranges from 12.04 - 13.43 %. The proximate composition of starch, namely water content ranges from 3.68% - 5.86%, protein content ranges from 0.53% - 0.72% Ash content ranges from 0.34% - 5.67%, Fat content ranges from 0.12% - 0.27%, Starch content 52.31% - 58.56%, Amylose content 22.66% - 22.86% and Oxalate content 24.70% - 47.95%. Isolation of cholerea starch in a 10% NaCl solution combined with a soaking time of 90 minutes is an insulation method that provides the highest amendment of 10.11%. The physical characteristics of the brightness and color of the starch insulation obtained are L* values of 70.10, a* 1.05 and b* 2.50. The resulting water holding capacity is 12.87%. The starch and amylose starch content is 53.27% and 22.68%, with a moisture content of 5.41%, protein 0.69%, ash 5.67%, fat 0.12% and oxalate content 24.70%. Keywords:  Isolation, Starch Characterization, Kolerea taro, Sangihe Abstrak Penelitian ini bertujuan untuk Menentukan konsentrasi NaCl dan interaksinya dengan lama waktu isolasi pati   umbi talas kolerea, Menganalisis karakteristik fisik pati umbi talas kolerea, Menganalisis komposisi proksimat dan kadar oksalat pati umbi talas kolerea. Metode isolasi pati dirancang dalam Rancangan Acak Lengkap (RAL) dengan 9 perlakuan kombinasi kosentrasi NaCl (%) dan waktu (menit) perendaman. Rendemen pati umbi talas kolerea yang di peroleh dari A1B1 5,97 %, A1B2 6,99 %, A1B3 7,31 %, A2B1 8,09 %, A2B2 8,59 %, A2B3 9,06 %, A3B1 0,42 %, A3B2 9,90 %, A3B3 10,11 %. Derajat Putih Nilai L* berkisar antara 66,95 – 73,25, Nilai a* berkisar antara 0,75  - 1,55, Nilai b* berkisar antara 2,10 – 2,95 dan Water Holding capacity (WHC) berkisar antara 12,04 – 13,43 %. Komposisi proksimat pati yaitu  Kadar air  berkisar antara 3,68 % - 5,86%,  kadar protein berkisar antara 0,53 % - 0,72 % kadar Abu berkisar 0,34 % - 5,67 %, kadar Lemak berkisar antara 0,12 % - 0,27 %,  kadar Pati 52,31 % - 58,56%, kadar Amilosa 22,66 % - 22,86 %  dan kadar Oksalat 24,70 % - 47,95 %.  Isolasi pati kolerea dalam larutan NaCl 10% dikombinasikan dengan lama waktu perendaman 90 menit merupakan cara isolasi yang memberikan rendemen tertinggi yaitu 10,11 %. Karakteristik fisik yaitu kecerahan dan warna isolasi pati yang diperoleh adalah Nilai  L* 70,10, a* 1,05 dan b* 2,50. Water holding capacity yang dihasilkan adalah 12,87 %. Kadar pati dan amilosa pati adalah 53,27 % dan 22,68 %, dengan kadar air 5,41 %, protein 0,69 %, abu 5,67 % , lemak 0,12 % dan kadar oksalat 24,70 %. Kata kunci :   Isolasi, Karakterisasi Pati, Talas Kolerea, Sangihe
Advanced Advertising Channel Technique for Agrarian Items as Local Area Strengthening In The Period Of The Coronavirus Pandemic Nandang; Fitriani Reyta
Jurnal Agroekoteknologi Terapan Vol. 4 No. 1 (2023): EDISI JANUARI-JUNI 2023
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v4i1.47687

Abstract

In an economy impacted by Coronavirus, the Local area in Cijengkol, Sadu Town, Bandung Regime, West Java, enables individuals to be free in gathering their everyday necessities and further developing government assistance through lemon, blade, and avocado manor agribusiness programs. Government assistance is a right that should be gotten by each local area in Indonesia. The absence of capital and conveyance diverts brought about the offer of agribusiness items at costs underneath the market and not yet ready to produce benefits also, in the time of the Coronavirus pandemic this local area will not have the option to go straightforwardly to the buyer market and just depend to a beneath the outsider market. Connected with these issues, it is important to enabling the local area to have the option to increment rural results and capital, open farming showcasing channels, and open dissemination channels to the right objective market. The point of this strengthening isn't just to give strength in the capital yet additionally to work on the nature of advanced showcasing schooling and work on the nature of people, gatherings, or networks with the goal that they can sort out themselves and their current circumstance as per their desires, possibilities, and capacities. This exploration means researching the effect of computerized promotion to raise the goal to purchase the agrarian item locally can acquire benefits and be ready to satisfy their fundamental necessities. 30 (thirty) Shoppers in Bandung city are taken as tests in the quantitative examination, and polls were utilized as strategies for acquiring information. The outcome shows 61,4% of advanced promoting influence the expectation to purchase rural items
CHARACTERISTICS OF SOIL CHEMICAL PROPERTIES OF MANGO PLANTS IN TULAP COASTAL COAST, KOMBI DISTRICT, MINAHASA REGENCY Wahyudi Ibrahim; Diane D. Pioh; Joice M. Supit
Jurnal Agroekoteknologi Terapan Vol. 3 No. 1 (2022): EDISI JANUARI-JUNI 2022
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v3i1.35448

Abstract

Soil chemical properties are very influential in increasing plant growth. Providing fertilizer is one of the important means of production in plant cultivation, so its availability is absolutely necessary for the development of soil and plants. The function of chemical fertilizers is to provide macronutrients such as N, P, K, Ca, Mg, and S and micronutrients such as Zn, Cu, B, Mo, Co, Mn, Fe. This study aims to determine the chemical properties of the soil planted with mango (Mangifera Indica L.) in Tulap Village, Kombi District, Minahasa Regency.The results showed that the pH content of the soil was in an acidic condition (6.5), C- organic had a very low to low content value (0.42% - 1.81 %), Nitrogen had a very low to low content value (0, 04 % - 0.16 %), Soil phosphorus has a moderate content value (20.09 ppm - 22.98 ppm), Potassium is available. Based on the chemical properties of the soil, the land planted with mango (Mangifera Indica L.) in Tulap Village, Kombi District has problems with organic C- and Nitrogen content, for that it needs to be improved.Keywords: Characteristics, Chemical Properties, Mango Plants.AbstrakSifat kimia tanah sangat berpengaruh untuk meningkatkan pertumbuhan tanaman. Pemberian pupuk merupakan salah satu sarana produksi penting dalam budidaya tanaman, sehingga ketersediaannya mutlak diperlukan untuk keberlanjutan produktivitas tanah dan tanaman. Fungsi pupuk kimia yaitu sebagai penyedia hara makro seperti N, P, K, Ca, Mg, dan S dan mikro seperti Zn, Cu, B, Mo, Co, Mn, Fe. Penelitian ini bertujuan untuk mengetahui karakteristik sifat kimia tanah yang ditanami tanaman mangga (Mangifera Indica L.) di Desa Tulap  Kecamatan Kombi Kabupaten Minahasa.Hasil penelitian menunjukkan bahwa kandungan pH tanah berada pada kondisi asam (6,5) , C-organik memiliki nilai kandungan sangat rendah hingga rendah (0,42 % - 1,81 %), Nitrogen memiliki nilai kandungan sangat rendah hingga rendah (0,04 % - 0,16 %), Fosfor tanah memiliki nilai kandungan sedang (20,09 ppm – 22, 98 ppm), Kalium tersedia . Berdasarkan sifat-sifat kimia tanah lahan yang ditanami tanaman mangga (Mangifera IndicaL.) di Desa Tulap Kecamatan Kombi mempunyai permasalahan pada kandungan C-organik dan Nitrogen, untuk itu perlu diberikan perbaikan.Kata Kunci: Karakteristik, Sifat Kimia, Tanaman Mangga
EFFECT OF CONCENTRATION KNO₃ AND DURATION OF SOAKING ON THE GERMINATION OF SUGAR PALM (Arenga pinnata (Wurmb.) Merr.) SEEDS Kristian Yoko Lasut; Arthur Pinaria; Jeane Raintung
Jurnal Agroekoteknologi Terapan Vol. 3 No. 1 (2022): EDISI JANUARI-JUNI 2022
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v3i1.35462

Abstract

This study aims to determine the effect of KNO3 concentration and immersion time on seeds, to support the development of palm oil seed procurement which requires proper seed coat dormancy breaking techniques. The process of hydrolysis of the lignin layer on the palm kernel shell can be degraded through medical and physical treatments. Soaking palm seeds in this study was treated with potassium nitrate (KNO3). concentration of potassium nitrate (KNO3), the need for immersion as independent (independent variable) while the dependent variable (dependent variable) is the strength of palm seeds. Seed dormancy was broken by treatment with several concentrations of potassium nitrate used, namely 0%, 1%, 1.5%, 2% and 2.5%. Treatment The immersion time is for 12, 18 and 24 hours. This study used a completely randomized design (CRD) method which was composed of two factors, namely the first factor K (KNO3 concentration) consisting of K0 = 0% KNO3, K1 = 1% KNO3, K2 = 1.5% KNO3, K3 = 2% KNO3, K4 2.5% KNO3, and the second factor K (Immersion time) consisted of P0 = 0 hours, P1 = 12 hours, P2 = 18 hours, P3 = 24 hours. Palm seed coats that were treated with kalium nitrate concentration experienced dormancy breaking which was indicated by the peeling of the palm seed coat. The results  showed that the rate of exfoliation of palm seed coats on soaking was about 0-12 hours at a concentration of 1% potassium nitrate. Earlier than the immersion time at an average of 12-18 hours and an average of 18-36 hours. Concentrations of KNO3 1%, 1.5% and 2.5% with an immersion time of 0-12 hours got the highest results from all parameters observed , namely se     germination 43-45%, vigor index 2.57%. The highest average length of the plumule was obtained at the average treatment concentration of 1% potassium nitrate at zero (0) hours (K1P0) immersion time with a length of 2.4 cm plumule/palm seed and the average treatment concentration of potassium nitrate 2.5% at soaking time 0- 12 hours and (K4P0) with a plumule length of 2.3 cm/aren palm.Key words : Sugar palm, dormancy, percentage of germination, potassium nitrate concentration and soakingAbstrakPenelitian ini bertujuan untuk mengetahui pengaruh kosentrasi  KNO3 dan lama perendaman terhadap  benih aren, untuk mendukung pengembangan pengadaan benih tanaman aren yang maksimal perlu adanya teknik pematahan dormansi kulit biji yang tepat. Perendaman biji aren pada penelitian ini yaitu dengan perlakuan dengan kalium nitrat (KNO3). Konsentrasi kalium nitrat (KNO3), lamanya perendaman sebagai variabel bebas (independent variable) sedangkan variabel terikat (dependent variable) adalah vigor biji aren.  Pematahan dormansi biji aren dilakukan dengan perlakuan beberapa konsentrasi kalium nitrat yang digunakan adalah 0%, 1%, 1,5%, 2% dan 2,5%. Perlakuan Lama perendaman adalah selama 12, 18 dan 24 jam. Penelitian ini menggunakan metode Rancangan Acak Lengkap (RAL) yang disusun dengan pola faktorial dengan dua faktor , yaitu faktor pertama K (konsentrasi (KNO3) terdiri dari K0 = 0% KNO3,  K1 = 1% KNO3,  K2 = 1,5% KNO3,  K3 = 2% KNO3, K4 2,5% KNO3,   dan faktor kedua K (Lama perendaman) terdiri dari P0 = 0 jam, P1 = 12 jam, P2 = 18 jam, P3 = 24 jam. Kulit biji aren yang diberi perlakuan konsentrasi kalium nitrat mengalami pematahan dormansi yang ditandai dengan pengelupasan kulit biji aren. Hasil penelitian didapatkan bahwa laju pengelupasan kulit biji aren pada perendaman dengan rataan sekitar 0-12 jam pada konsentrasi kalium nitrat 1%. Lebih awal  dibandingkan dengan lama perendaman pada rataan  12-18 jam maupun rataan 18-36 jam. Konsentrasi kalium nitrat 1%, 1,5% dan 2,5% dengan lama perendaman 0-12 jam mendapatkan hasil tertinggi dari semua parameter amatan yaitu kecambah benih 43-45%,  indeks vigor 2,57 %. Rataan panjang plumula tertinggi dihasilkan pada rataan perlakuan konsentrasi kalium nitrat 1% pada waktu perendaman nol (0) jam (K1P0) dengan panjang plumula 2.4 cm/biji aren dan  dan rataan perlakuan konsentrasi kalium nitrat 2,5% pada waktu perendaman 0-12 jam dan  (K4P0) dengan panjang plumula 2.3 cm/biji aren.Kata kunci : biji aren, kalium nitrat (KNO3), dormansi, perendaman
Technology of composting using Tondano lake’s water hyacinth Friyani David Worotitjan; Sandra E. Pakasi; Wiesje J. N. Kumolontang
Jurnal Agroekoteknologi Terapan Vol. 3 No. 1 (2022): EDISI JANUARI-JUNI 2022
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v3i1.35465

Abstract

Composting Technology Made from Water Hyacinth (Eichhornia Crassispes) Tondano lake. Friyani David Worotitjan, NIM 14031108032. Supervisor: Dr. Ir. Sandra E. Pakasi, MSi. Dan Wiesje J. N. Kumolontang, SP., MP.This study aims to obtain composting technology made from water hyacinth (Eichhornia Crassispes) in Tondano lake and determine the nutrient content of compost made from water hyacinth (Eichhornia Crassispes) Tondano lake. The method used in this research is the descriptive qualitative method. Sources of data come from primary data and secondary data. With the anaerobic method of composting technology.The results of the study can be concluded that the anaerobic method of composting technology made from water hyacinth (Eichhornia Crassispes) with an EM4 activator has a composting success rate of 85%. And the nutrient content with anaerobic composting technology made from water hyacinth (Eichhornia Crassispes) in this compost is in accordance with the quality requirements of organic fertilizers by the Regulation of the Minister of Agriculture and SNI.Keywords: Technology, Composting, Water Hyacinth AbstrakPenelitian ini bertujuan untuk mendapatkan teknologi pengomposan berbahan baku eceng gondok (Eichhornia Crassispes) danau Tondano dan Mengetahui kandungan unsur hara kompos berbahan baku eceng gondok (Eichhornia Crassispes) danau Tondano. Metode yang digunakan dalam penelitian ini adalah metode kualitatif deskriptif. Sumber data berasal dari data primer dan data sekunder. Dengan teknologi pengomposan metode anaerob.Hasil penelitian dapat disimpulkan bahwa Teknologi pengomposan metode anaerob berbahan baku eceng gondok (Eichhornia Crassispes) dengan aktivator EM4 memiliki tingkat keberhasilan pengomposan 85%. Serta kandungan hara dengan teknologi pengomposan anaerob berbahan baku eceng gondok (Eichhornia Crassispes) dalam kompos ini sesuai dengan syarat mutu pupuk organik oleh Peraturan Menteri Pertanian dan SNI. Kata Kunci: Teknologi, Pengomposan, Eceng Gondok.

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