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Jeanne E. Lengkong
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Agriculture, Biological Sciences & Forestry

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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
KAJIAN SIFAT FISIK DAN KIMIA TANAH PADA AREAL PERTANAMAN SALAK (Salacca zalacca) di DESA PANGU KABUPATEN MINAHASA TENGGARA Rifiani F. Woran; Ronny Nangoi; Jeanne E. Lengkong
COCOS Vol. 9 No. 5 (2017)
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i1.19180

Abstract

ABSTRACTComparing physical and chemical properties of the soil in the salak (Salacca zalacca) plantation area of Pangu village and its relation to the growth and production of salak at various altitudes of 671 m asl, 512 m asl, and 400 m asl are the objectives of this study. The research was conducted in salak plantation of ≤ 10 years old at Pangu Village of South Minahasa Regency. Soil analyses of purposive sampling were conducted at the Laboratories of Soil and Soil Conservation Unit and of Soil Chemistry and Fertility Unit, Soil Science Department Agriculture Faculty UNSRAT Manado for 2 months (May to June 2017). Soil physical and chemical properties of all sites have relatively similar, ie.: sandy loam textures, more rapid permeability and low to moderate contents of N, P, K, and C-organic and moderately acidic soil pH. The reasons are similarity type of soils (Udepts of Inceptisols) in the study area. The soil fertility at altitude of 512 m asl is better than that of the other two altitudes, but the soil physical properties of 400 m asl and of 671 m asl are better than that of 512 m asl. Therefore, salak production in the three locations are more depending on the management of the plantation itself. Keywords : Physical Properties of Soil Chemistry and Salak Plant
Co-Authors Jenny Rondonuwu Rifiani F. Woran Ronny Nangoi Sandra E. Pakasi Yudi C.L. Pakpahan