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Meldi T.M. Sinolungan
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cocos@unsrat.ac.id
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Fakultas Pertanian Universitas Sam Ratulangi Manado
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INDONESIA
COCOS
Published by Universitas Sam Ratulangi
ISSN : -     EISSN : 27150070     DOI : 10.35791
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal ini memuat materi yang berkaitan dengan Pertanian. Menyangkut Tanah, Budidaya Pertanian, Proteksi Tanaman, Teknologi Pertanian dan Sosial Ekonomi Pertanian
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 13 Documents
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Search results for , issue "Vol. 2 No. 3 (2013)" : 13 Documents clear
PADAT POPULASI DAN INTENSITAS SERANGAN HAMA WALANG SANGIT (Leptocorisa Acuta Thunb.) PADA TANAMAN PADI SAWAH DI KABUPATEN MINAHASA TENGGARA Rivo Manopo; Christina L. Salaki; Juliet E.M. Mamahit; Emmy Senewe
COCOS Vol. 2 No. 3 (2013)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v2i3.1515

Abstract

ABSTRACTPaddy is the most important staple food in Indonesia, since more than half of the population is dependent on the rice that the paddy plants produce. About 1,75 billion of the three billion Asians, including 210 million Indonesians rely on rice as their primary source of calories. The object of this research is to know the population density and infestation intensity of the paddy bug L. acuta on paddy plants in the North Tombatu, East Tombatu and Pasan Districts of the South-east Minahasa Regency. This research is expected to inform about the population density and infestation intensity of the paddy bug L. acuta in several different places and attempts in controlling it. Results of this research show that the paddy bug has spread in paddy fields over the three districts. The highest population was found in the district of East Tombatu (33,9 individuals / ten double sweeps), followed by the Pasan District (24,1 individuals / ten double sweeps), while the district of North Tombatu had the lowest population (9,2 individuals / ten double sweeps). The high paddy bug population is influenced by environmental factors and farmers’ habits in breeding field paddy plants. The intensity of the paddy bug infestation is already high, so the presence of this pest is highly worrisome.Key words : paddy plants, population density and infestation intensity, paddy bug pest (Leptocorisa acuta Thunb.)
VOLUME DAN KOEFISIEN ALIRAN PERMUKAAN PADA AREAL PERTANAMAN WORTEL DI KELURAHAN RURUKAN KECAMATAN TOMOHON TIMUR Yudi C.L. Pakpahan; Sandra E. Pakasi; Jeanne E. Lengkong; Jenny Rondonuwu
COCOS Vol. 2 No. 3 (2013)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v2i3.1516

Abstract

ABSTRAK Penelitian ini bertujuan untuk menganalisis aliran permukaan yaitu debit dan kecepatan aliran permukaan pada areal pertanaman wortel dengan tindakan teknik konservasi tanah dan air yaitu guludan tradisional dan teras guludan dengan penutupan mulsa plastik. Lokasi penelitian terletak di Kelurahan Rurukan, Kecamatan Tomohon Timur. Metode yang digunakan adalah metode petak kecil dengan dua perlakuan teknik konservasi tanah dan air yaitu guludan tradisional dan teras guludan dengan penutupan mulsa plastik. Hasil penelitian menunjukkan bahwa aliran permukaan pada areal pertanaman wortel dengan teknik konservasi tanah dan air dengan penutupan mulsa plastik lebih tinggi dibandingkan dengan tanpa penutupan mulsa plastik yaitu guludan tradisional. Volume aliran permukaan lebih tinggi 130% dan koefisien aliran permukaan lebih tinggi 100%. kata kunci: aliran permukaan, Rurukan, konservasi tanah dan air
EROSI PADA LAHAN HORTIKULTURA YANG DITANAMI WORTEL ( Daucus carrota L.) DI KELURAHAN RURUKAN KECAMATAN TOMOHON TIMUR Cyndi S. Faizal; Meldi Sinolungan; Zetly Tamod; Tommy Sondakh
COCOS Vol. 2 No. 3 (2013)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v2i3.1534

Abstract

ABSTRACTThe type of soil in the research site is Andisol soil with clay texture. The Andisol soil characteristics is a dark color / black, gray, dark brown to yellowish. The soil derived from volcanic ashes from the eruption of the volcano. Therefore, this type of soil are found in the area around the volcano's slopes. Like the soil in this research is located on the slopes of Mount Mahawu. Although it has many advantages, but the ground Andisol also has many disadvantages. Andisol ground weakness is due to the loose structure and crumbly, the type of soil is very easy take by rainwater. Therefore, in this research, land conservation efforts in the form of plastic mulching. In this study the use of plastic mulch as a treatment, more soil erosion results in the use of plastic mulch plots compared to not using plastic mulch. This is due to the use of plastic mulch, most of the rain water does not infiltrated into the ground because it was blocked by the plastic mulch, causing greater runoff. Large land runoff causes soil erosion more bigger easily transported.Keywords : Erosion, Soil Conservation Technique, Holticulture, Carrot (Daucus carrota L.)

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