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All Journal EUGENIA Jurnal Agroekoteknologi Terapan AGRI-SOSIOEKONOMI COCOS
saartje Sompotan
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Environmental Science Social Sciences

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Journal : COCOS

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“Bokashi Effect of Fertilizer on the Growth Of Rice Production Methods and SRI (System Of Rice Intensification)” Arnoldus Londong; Saartje Sompotan; Pemmy Tumewu; Jelly V. Porong
COCOS Vol. 7 No. 4 (2016)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v7i4.12591

Abstract

ABSTRACTThis study aims to memgetahui Bokashi fertilizer influence on the growth and production of rice using the SRI (System Of Rice Intensification) held at the Village Taratara the West Tomohon sub district for 5 months from July to December 2014. The study used randomized block design with treatment A (5 ton Bokashi / ha), B (10 ton Bokashi / ha), C (15 ton Bokashi / ha), D (20 ton Bokashi / ha) and repeated 4 times to obtain 16 experimental plots. Data were analyzed by analysis of variance followed by LSD (Least Significant Difference) at 5% level.The results showed that the use of Bokashi fertilizer to increase rice production SRI method. Dose of 15 ton / ha of fertilizer bokhasi provide the highest SRI method of paddy production.Keyword: Bokashi, peddy,SRI Method (System Of Rice Intensification)
APLIKASI PACLOBUTRAZOL TERHADAP PERTUMBUHAN DAN PRODUKSI PADA TANAMAN TOMAT (Licopersicum esculentum Mill.) Rivaldi Moko; Saartje Sompotan; Paula C. H. Supit
COCOS Vol. 10 No. 2 (2018)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i4.22086

Abstract

ABSTRACT This study aims to study the effect of paclobutrazol on the growth and production of tomato plants. The research was conducted at the Experimental Garden of the Pandu Agricultural Technology Assessment Center in Talawaan Bantik Village, Wori District, North Minahasa Regency. Starting from September 2017 and ending in January 2018. This study used a randomized block design consisting of 6 levels of paclobutazol concentrations of 0 ppm, 75 ppm, 100 ppm, 125 ppm, 150 ppm, 175 ppm. Variables were observed for plant height, time / time of flowering (days after seeding), number of crop collections, and fruit weight. The use of paclobutrazol in tomato plants has a significant influence on plant height at flowering and number of leaves. The administration of paclobutrazol with a concentration of 125 ppm gave the greatest emphasis which produced the lowest plant height of 47.75 cm.  The use of paclobutrazol in tomato plants can delay the flowering process compared to without using paclobutrazol. The effect of paclobutrazol on flowering is a secondary influence, while the primary effect is suppression of vegetative growth. Keywords: Application of Paclobutrazol in Tomato Plants
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
Co-Authors Arnoldus Londong Arnoldus Londong, Arnoldus Doodoh, Beatrix Edy F. Lengkong Gabriel M. R. Sondakh Inkiriwang, Annatje E. B. Jeanne M. Paulus Jeany Mandang Jelly V. Porong Jelly V. Porong, Jelly V. Jemmy Najoan Lengkong, Edy Fredy Liwu, Suzanne Laura Mandagi, Vanessa Paula C. H. Supit Pemmy Tumewu Polii, Maria G. Polii-Mandang, Jeany Sh. Porong, Jelie V. Pulakiang, Andrew R. Raintung, Jeane S. M. Rinny Mamarimbing Rivaldi Moko Runtunuwu, Semuel David Stella M.T. Tulung Sumayku, Bertje R.A Sundalangi, Grace Supit, Paula C. H. Tambun, Vistria Tilda Titah Tulung, Stella M. T. Tulungen, Antje Grace W. Tilaar Walingkas, Stanley A. F. Yefta Pamandungan