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All Journal EUGENIA Jurnal Agroekoteknologi Terapan AGRI-SOSIOEKONOMI COCOS EKOTON
Edy F. Lengkong
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Environmental Science Social Sciences

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KAJIAN PENERAPAN PHT DALAM PELESTARIAN LINGKUNGAN PADA PETANI PADI SAWAH DI KABUPATEN BOLAANG MONGONDOW TIMUR Arfa ., Dondo; Max ., Tulung; Edy F. Lengkong
AGRI-SOSIOEKONOMI Vol. 12 No. 3A (2016)
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (313.072 KB) | DOI: 10.35791/agrsosek.12.3A.2016.14390

Abstract

ABSTRACT This study aims to determine how the behavior of farmers in the implementation of Integrated Pest Management (IPM) in terms of three aspects: the ecological aspects, economic aspects and technological aspects. This research was conducted in two districts in East Mongondow Bolaang. Collecting data in this study conducted at 40 farmers of the District Parent and Modayak Modayak West. All farmers are farmers who have participated in the Field School of Integrated Pest Management. The data collection is done by using a questionnaire. The questionnaire was prepared based on measurement principles Likert Scale. The collected data were analyzed using Multiple Linear Regression Analysis. Based on the research, regression equation: Y = 4.240 + + 0,326X3 0,083X2 0,07X1 + e. Furthermore, based on the results of testing of the F-statistic can be concluded that the ecological aspects, economic aspects and technological aspects together have the same effect on the opinion of the farmer (Y) significantly. This we can see where the F-count is 8,040 and the F-table for 2866, in other words 8,040 F count> F-Table 2866. So the null hypothesis is rejected. It means ecological aspects, economic aspects and technological aspects together have the same effect on the opinion of the farmer (Y). While based on t-test statistics for independent variables namely the ecological aspects, economic aspects and aspects of the technology are as follows: the ecological aspect t calculate equal to 2,422> t table 2028, the economic aspect t calculate equal to 2,083> t table 2,028 and technological aspects t of 2,702> t table 2,028. Thus, ecological aspects, economic aspects and technological aspects of the real effect on the opinion of farmers about IPM.
PREDICTION OF EROSION BY THE METHOD OF USLE (UNIVERSAL SOIL LOSS EQUATION) Martha Fera Garing; Edy F. Lengkong
Jurnal Agroekoteknologi Terapan Vol. 2 No. 1 (2021): EDISI JANUARI-JUNI 2021
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v2i1.34061

Abstract

Soil as a natural resource has been subjected to various pressure along with an increase in the number of human beings. Such pressure has led to a decrease in the quality of the soil that leads to the reduction of the soil's ability to produce. A decrease in the quality of the soil is caused by the process of leaching of nutrients and the process of soil erosion, especially on land - land that does not have closing vegetation. Erosion is the events of emigration land or portions of land from one place to another by nature. Erosion in the event, the ground or parts of the land eroded and transported, are then deposited in other places.Keywords =    erosion; soil. AbstrakTanah sebagai sumber daya alam telah mengalami berbagai tekanan seiring dengan peningkatan jumlah manusia. Tekanan tersebut telah menyebabkan penurunan mutu tanah yang berujung pada pengurangan kemampuan tanah untuk berproduksi. Penurunan mutu tanah disebabkan oleh proses pencucian hara dan proses erosi tanah terutama pada lahan- lahan yang tidak memiliki penutupan vegetasi. Erosi adalah peristiwa pindahnya atau terangkutnya tanah atau bagian-bagian tanah dari suatu tempat ke tempat lain oleh media alami. Pada peristiwa erosi, tanah atau bagian- bagian tanah terkikis dan terangkut, kemudian diendapkan di tempat lain.Kata kunci =   pengikisan; tanah.
THE INFLUENCE OF THE TYPE AND CONCENTRATION OF ZPT ON GROWING MEDIA ON THE GROWTH OF PLANTS ORCHID (Dendrobium sp.) Mersi M. Tanawani; Edy F. Lengkong
Jurnal Agroekoteknologi Terapan Vol. 1 No. 2 (2020): EDISI JULI-DESEMBER 2020
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v1i2.34067

Abstract

Plant propagation can be done by generative and vegetative. Generative plant propagation is usually done through seeds and experience natural pollination with the help of the wind or insects. The advantages of generative plant propagation, the plants have root systems that are strong and sturdy, it is easily propagated, and a fruitful period is long. While the drawbacks are like planting is done at the time of the season, the resulting offspring is likely not the same as its parent, the percentage of germinated low and need a long time to germinate and time to bear fruit for longer.Keywords: propagation; growth regulator; Dendrobium sp. AbstrakPerbanyakan tanaman dapat dilakukan dengan cara generatif dan vegetatif. Perbanyakan tanaman secara generatif dilakukan melalui biji dan mengalami penyerbukan alami dengan bantuan angin atau serangga. Keunggulan dari perbanyakan tanaman secara generatif yaitu tanaman memiliki sistem perakaran yang kuat dan kokoh, lebih mudah diperbanyak dan jangka waktu berbuah lebih panjang. Sedangkan kekurangannya yaitu seperti penanaman dilakukan pada saat musimnya, keturunan yang dihasilkan kemungkinan tidak sama dengan induknya, persentase berkecambah yang rendah dan membutuhkan waktu yang agak lama untuk berkecambah dan waktu untuk berbuah lebih lama.Kata kunci: perbanyakan;  zpt;  Dendrobium sp.
PENGARUH PENGGUNAAN MULSA PADA PERTUMBUHAN DAN PRODUKSI TANAMAN KENTANG (Solanum tuberosum L.) DI DATARAN MENENGAH Giavirna J. Enoch; Edy F. Lengkong; Jantje Pongoh
COCOS Vol. 9 No. 5 (2017)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i1.19302

Abstract

ABSTRACTThe objective of this study was to study the effect of mulch use on the growth and production of potato crops in the middle plains and to determine the type of mulch suitable for potato crops in the middle plains. This research was conducted in Tompaso II Village District Tompaso, Regency of Minahasa, with the height of 765 mdpl. This study was implemented for 4 months, from May to August 2016. This study used a Completely Randomized Design experiment consisting of 3 treatments with different repetitions. The Treatments are Plastic Silver Black Mulch repeated 3 times, Straw Mulch repeated as much as 4 times and Control repeated 6 times. Based on the result of statistical analysis, there is no significant difference between the treatment can be caused by environmental factors and genetic factors seedings are planted. Environmental factors such as temperature, humidity, rainfall, light intensity, soil fertility, and the presence or absence of pests and diseases will determine growth and production in plants.Keywords: the potatos, medium plains, mulch
RESPON PEMBENTUKKAN KALUS EMBRIONIK TANAMAN KRISAN KULO (Chrysanthemum morifolium) TERHADAP PEMBERIAN ZAT PENGATUR TUMBUH SITOKININ Juita S. Sinaulan; Edy F. Lengkong; Stella Tulung
COCOS Vol. 10 No. 3 (2018)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i1.22203

Abstract

ABSTRACT Growth regulating substances are organic or inorganic compounds that play an important role in biological processes in plant tissue and one of them is embryonic callus formation and embryogenesis. This study aims to determine the effect of the administration of growth regulators cytokines at certain concentrations on the formation of embryonic callus of chrysanthemum plants. This research was conducted at the Genetics Laboratory of the Faculty of Agriculture, Sam Ratulangi University, Manado. The research was conducted for 4 (four) months, starting June 2018 to October 2018. The research method was carried out using a completely randomized design using the growth regulator from cytokinins, namely zeatin (Z) and TDZ (T) with the concentrations used were 2 ppm, 4ppm and 6ppm, each of which added auxin ZPT 1AA 0.02 Ppm and GA3 O, 2 ppm and repeated 5 times. The variables observed were callus formation time, callus wet weight, and callus color. The results showed that the the callus formation time in chrysanthemum culture was the fastest is 7,8 days after culture, which was treated with zeatin 2 ppm, the largest wet weight culture was 2.111 gr at the treatment of 2 ppm TDZ and the color of the callus formed was green. Keywords : Growth Regulating Substances, Embryonic Callus
MONITORING HAMA KUMBANG BADAK (Oryctes rhinoceros L.) PADA TANAMAN KELAPA (Cocos nucifera L.) MENGGUNAKAN FEROMON DI KECAMATAN MAPANGET KOTA MANADO Tegar P. Prok; Robert W. Tairas; James B. Kaligis; Edy F. Lengkong
COCOS Vol. 11 No. 3 (2019): EDISI JULI-SEPTEMBER 2019
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v3i3.28720

Abstract

ABSTRACT This research aims to determine the population of O. rhinoceros with pheromones and trap devices. This research was carried out in the paniki experimental garden in Mapanget Subdistrict, Manado city, from October to December 2019. This research used a survey method which was carried out directly on coconut plants. Determination of the location of the imago O. rhinoceros sample collection was done by purposive sampling, ie taking the imago O. rhinoceros sample trapped in the pheromone trap. This study uses pheromones (ethyl 4methyloctanoate), for traps made from buckets and installed 4 sides of zinc plates at the top of the bucket, zinc plates made holes to hang pheromones, then at the bottom of the bucket is perforated. This is so that when there is rain, water will not flood the bucket. Traps used consist of traps that are yellow and colorless, traps are then placed on a coconut plantation with a distance between traps 100-150 meters and placed diagonally. Observations are made once a week for 2 months, beetles caught during observation are counted. The results showed that 83 yellow-painted traps could be trapped and unpainted traps could trap 78 individuals. Keywords: O. rhinoceros, pheromones, Coconut
KAJIAN TANGGAP PERTUMBUHAN DAN PRODUKSI TANAMAN KENTANG (Solanum tuberosum L.) PADA PEMBERIAN PUPUK NPK, PUPUK ORGANIK CAIR DAN TRICHOKOMPOS Gabriel M. R. Sondakh; Edy F. Lengkong; Saartje Sompotan; Jemmy Najoan
COCOS Vol. 12 No. 2 (2020): EDISI APRIL-JUNI 2020
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v6i6.30824

Abstract

ABSTRACTPotatoes (Solanum tuberosum, L.) are one of the important food commodities after rice, maizeand wheat whose needs continue to increase both to meet domestic needs and even have the potential to beexported. This study aims to determine the effect of NPK fertilizer, Liquid Organic Fertilizer, andTrichocompost on the growth and production of potato (Solanum tuberosum L.). This study used aliterature study method, utilizing the results of research and scientific publications on the effect of NPKfertilization, Liquid Organic Fertilizer, and Trichocompost on the growth and production of potato plants.The results showed that the application of NPK fertilizer, Liquid Organic Fertilizer, and Trichokomposhad an effect on the growth and production of potato (Solanum tuberosum L.). The dose of NPK fertilizergiven to potato plants was 700 - 1,400 kg and could be combined with manure, with production 14.7 -22.5ton ha-1. The dose of liquid organic fertilizer can be given 5-25 ml / liter of water and can produce potatoproduction 23.13 - 34.56 ton ha-1. Tricho-compost biofertilizer can be given in solid form 25 ton ha-1 or inliquid form 5 ml / l -250 ml / l can be sprayed onto leaves or onto the soil, and can give potato production36.8 - 38.3 ton ha-1. Tricho-compost can help suppress and control the attack of soil-borne pathogens suchas Fusarium fungi, Phytophora fungi, and Phytium fungi which are important pathogens in potatocultivation..Keyword : potato, NPK, liquid organic fertilizer, trichocompost
The Effects of Substituting Straw Compost for NPK Fertilizer On Field Rice Growth and Yield Using The SRI (System of Rice Intensification) Method Rantung , Rantung; Paulus, Jeanne M.; Supit, Paula C. H.; Ogie, Tommy B.; Lengkong, Edy F.; Walingkas, Stanley A. F.; Inkiriwang, Annatje E. B.; Doodoh, Beatrix; Pangemanan, Ventje; Najoan, Jemmy; Polii, Maria G. M.; Tulung, Stella Maria Theresia
Jurnal Agroekoteknologi Terapan Vol. 5 No. 1 (2024): EDISI JANUARI-JUNI 2024
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/jat.v5i1.54192

Abstract

With an agroecological philosophy, the SRI (System of Rice Intensification) technique is a rice production technology approach that prioritizes soil, plant, and water management through local expertise and group empowerment based on environmentally beneficial activities. The purpose of this study is to investigate lowland rice growth and yield by using composted straw instead of NPK fertilizer. Implemented in Tara-Tara II village, West Tomohon sub-district for 5 (five) months with one factor treatment, namely the ratio of NPK fertilizer dose and straw compost dose: 100% NPK + straw compost 0% straw compost (P0), 75% NPK + 25% straw compost (P1), 50% NPK + 50% straw compost (P2), 25% NPK + 75% straw compost (P3), and 0% NPK + 100% straw compost (P4). The variables observed included: plant height, number of fodder, number of panicles/clumps, weight of 100 harvested dry grains, number of grains/panicles, percentage of smooth grains/clumps and harvested dry grain yield. Substitution of NPK fertilizer with compost straw has no effect on the height of lowland rice plants using the SRI (System of Rice Intensification) method, but does affect the number of productive tillers. The highest number of productive tillers was found in P2 (50% NPK + 50% straw compost), P3 (25% NPK + 75% straw compost) and P4 (0% NPK + 100% straw compost), with an average value of 31, respectively. 27; 28.20 and 27.53 tillers, while treatment P3 (25% NPK + 75% straw compost) and lower values in treatments P0 (100% NPK + 0% straw compost) and P1 (75% NPK + 25% straw compost ) with an average value of 25.83; and 25.67 offspring. Keywords: System of Rice Intensification (SRI), rice, straw compost.
The Effectiveness Of Liquefied Organic Fertilizer (LOF) Market Waste On Increased Growth and Red-Spinach Production (Amarathus tricolor. L) Lengkong, Edy F.; Malintoi, Friska; Najoan, Jemmy; Paat, Frangky J.; Ogie, Tommy B.; Nangoi, Ronny
EKOTON Vol. 4 No. 1 (2022): ISSUE JANUARY - JUNE 2022
Publisher : PPLH-SDA, Lembaga Penelitian Unsrat Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35801/ekoton.v5i1.49529

Abstract

Abstract. Edy Lengkong1*, Friska Malintoi 1, Jemmy Najoan1, Frangky J. Paat1, Tommy B. Ogie1, , Ronny Nangoi1. The Effectiveness Of Liquefied Organic Fertilizer (LOF) Market Waste On Increased Growth and Red-Spinach Production (Amarathus tricolor. L). Ekoton   11. 44-6. Red spinach (Amarathus tricolor L.) is a commodity that has very high development, it is proven that the number of requests tends to increase. Not inferior to other horticultural crops, red spinach plants have a fairly high economic value. Apart from being consumed every time, red spinach also contains nutrients needed by the body (Irwan et al., 2005). According to the Central Statistics Agency (BPS) in 2017, the total harvested area of ​​spinach in Indonesia in 2017 reached 40,608 hectares with a production of 160,248 tons ranks 9th out of 18 commercial vegetables cultivated and produced in Indonesia. There are 3 traditional markets in Manado City, namely Bahu Market in Malalayang District, Karombasan Market in Wanea District, and Bersehati Market in Wenang District. Can giving market waste POC affect the growth and yield of red spinach? The purpose of this study was to determine the effectiveness of giving market waste POC to the growth and yield of red spinach. And knowing the best POC concentration for the growth and yield of red spinach. It is hoped that this research can provide information on the use of market waste as a source of nutrients for the growth and yield of red spinach in the form of liquid organic fertilizer (POC). This research was arranged using a Randomized Block Design (RAK) with 5 treatments of POC concentration of market waste on red spinach plants. P0: control, P1: 25%, P2: 50%, P3: 75%, P4:100%. Each treatment consisted of 5 plant samples and was repeated 3 times to obtain 75 samples. Market waste POC with a concentration of 75% is the best concentration on the variable height of red spinach plants. Keywords: POC, Red Spinach, Market Garbage
ANALISIS KANDUNGAN SULFORAFAN PADA FASE KECAMBAH BEBERAPA JENIS BROKOLI DALAM MEDIA MS YANG DIBERIKAN NAA DAN BAP SECARA IN VITRO Lengkong, Edy F.; Tilaar, Wenny; Pinaria, Arthur
AGRI-SOSIOEKONOMI Vol. 18 No. 1 (2022)
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/agrsosek.v18i1.55203

Abstract

This study aims to: (1) determine the content of sulforaphane in several types of broccoli sprouts. (2) Knowing the difference in sulforaphane content in the combination of NAA, BAP and types of broccoli grown on MS media; (3) knowing the difference in sulforaphane content in the combination of NAA and types of broccoli sprouts grown on MS media; (4) knowing the difference in sulforaphane content in the combination of BAP and the type of broccoli sprouts grown on MS media. This study used a completely randomized design (CRD) arranged in a factorial manner, namely factor A: NAA 0, 0,5, and 1 ppm. B: BAP 0, 1, 2 ppm and C : 2 Types of Broccoli. The variables observed were: germination time, germination weight, and sulforaphane content. The data were analyzed by analysis of variance and continued with the 5% BNT test. The results showed that germination time began to appear on day 3 and all seeds germinated. Sprout weight varied greatly, and the combination of treatments N1, B0 and BR2 gave the highest average weight and calculated concentration (ENT) of sulforaphane, followed by treatments N0B2BR2 and N0,5B0BR1.
Co-Authors Arfa ., Dondo Arthur G. Pinaria Christine L.W. Lengkong Dondo, Arfa ., Doodoh, Beatrix Frangky J. Paat Gabriel M. R. Sondakh Galensong, Justio P.D. Giavirna J. Enoch Heldering Tampake Hengky Novarianto Inkiriwang, Annatje E. B. Inkiriwang, Annatje E.B. James B. Kaligis Jantje Pongoh Jeanne M. Paulus Jeany Polii-Mandang Jemmy Najoan Jemmy Najoan, Jemmy Johannes E. X. Rogi Juita S. Sinaulan Malintoi, Friska Martha Fera Garing Max ., Tulung Merlyn Singkoh Mersi M. Tanawani Nangoi, Ronny Novarianto Hengky Ogie, Tommy B. Pinaria, Arthur ., Polii, Maria G. M. Rantung , Rantung Robert W. Tairas S. D. Runtunuwu saartje Sompotan Semuel D. Runtunuwu Stanley A.F. Walingkas Stella Tulung Supit, Paula C. H. Tegar P. Prok Tilaar, Wenny ., Tulung, Max ., Tulung, Stella Maria Theresia Ventje Pangemanan Walingkas, Stanley A. F. Wanget, Sesilia A. Wenny Tilaar