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Sengli Damanik

Universitas Sumatera Utara

Author-ID : 3055806

Agriculture, Biological Sciences & Forestry

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PERTUMBUHAN DAN PRODUKSI KACANG TANAH ( Arachis hypogaea L.) PADA BEBERAPA PENGOLAHAN TANAH INSEPTISOL DAN PEMBERIANPUPUK KASCING Muhammad Rizqi Habiby; Sengli Damanik; Jonathan Ginting
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Peanut is one of the source of protein for human foods. Production of peanutscan be increase by land cultivation and giving vermicompost. This research aimed toevaluate the effect of land cultivation and giving vermicompost for growth andproduction of peanuts. The study was conducted in Tanjung Sari, Kecamatan MedanSelayang. This research used split plot design, with two factors. First factor is landcultivation with 4 levels (traditional tillage with two stage of cultivation, traditionaltillage with one stage of cultivation, minimum tillage, and no-tillage).The secondfactor is the ratio of vermicompost and chemical fertilizers, whith 5 levels(chemical 100%,vermicompost 100%, vermicompost 75% + chemical fertilizer25%, vermicompost 50% + chemical fertilizer 50%, and vermicompost 25% +chemical fertilizer 75%. The result showed that land cultivation significantlyaffected the parameters the number of ginofor 2 and 3 month after planting(MAP), the number of filled pod, 100 seed weigth, production per sample andproduction per plot. The ratio of vermicompost and chemical fertilizerssignificantly affected the parameters of the number of branch 1 and 2 MAP. Theinteraction between land cultivation and the ratio of vermicompost and chemicalfertilizers did not significantly affected for all parameters.Keywords : land cultivation, vermicompost, peanuts.

Pertumbuhan dan Produksi Jagung Manis (Zea mays saccharata Sturt.) Pada Beberapa Persiapan Tanah dan Jarak Tanam Oimolala Lindungan Larosa hidayat; Toga Simanungkalit; Sengli Damanik
Jurnal Agroekoteknologi Vol 3, No 1 (2015)
Publisher : Universitas Sumatera Utara

Attempts to increase the yield of sweet corn can be done with soil preparation and plant spacing.The purpose of the study was to determine the some appropriate soil preparation and an axact plantspacing to increase the growth and production of sweet corn. The research was implemented in thecommunity land located at Tanjung Sari number 89, Medan with the height of 25 metres above sealevel. began from February until May 2013. The design of the research was a randomized blockdesign factorial with two factors. The first factor was soil preparation (no tillage, minimum tillage,traditional tillage) and the second was plant spacing (20x30, 30x30, 40x30, 50x30 centimeter). Theparameters measured were plant height, diameter of stalk, the weight of root brangkasan , theweight of stalk brangkasan, the weight of leaf brangkasan, the weight of cob brangkasan, the weightof weed dry, net assimilation increase, plant growth increase. The results showed that soilpreparation significantly affected plant height, diameter of stalk, the weight of root brangkasan, theweight of stalk brangkasan, the weight of leaf brangkasan, the weight of weed dry Euphorbia hirtaand the weight of weed dry Cynodon dactylon. Plant spacing significantly affected the weight ofstalk brangkasan, the weight of leaf brangkasan, the weight of weed dry Euphorbia hirta andinteraction significantly affected the weight of cob brangkasan.Keywords : Sweet corn varieties bonanza, soil preparation, plant spacing.

Co-Authors Jonathan Ginting Muhammad Rizqi Habiby Oimolala Lindungan Larosa hidayat Toga Simanungkalit

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