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All Journal AGROEKOTEKNOLOGI
Bangun, Mbue Kata
Universitas Sumatera Utara
Agriculture, Biological Sciences & Forestry

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RESPON PERTUMBUHAN DAN PRODUKSI TANAMANJAGUNG (Zea mays L.) VARIETAS HIBRIDA DAN NONHIBRIDAN TERHADAP PEMBERIAN PUPUK POSPAT DAN BOKASHI Ginting, Eva Sari; Bangun, Mbue Kata; Putri, Lollie Agustina P.
Jurnal Agroekoteknologi Vol 1, No 2 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jaet.v1i2.1528

Abstract

Response on Growth and Yield of Maize  (Zea mays L.) Hybrid and Nonhybrid Varieties by Phosphate Fertilizer and Bokashi Application.The goal of this research is to know the effect of phosphate fertilizer and bokashi to growth and yield maize  (Zea mays L.) hybrid and nonhybrid varieties.Therefore, a research had been conducted at experimental field of BBI Palawija, Tanjung Selamat, District of Deli Serdang (± 57 m asl) on May – August  2012. This research was arranged using Randomized Block Design, with the first factor is two maize varieties, Bisma and SHS 4. The second factor is concentrate of Phosphate fertilizer with three degrees, 2 g, 4 g and 6 g. The third factor is bokashi with two degrees, 0 g and 180 g, three replications was used to the treatments. Data were analyzed with ANOVA and continued with HSD. The results showed that varieties were significantly different to plant height, leaf number, male flowering time, female flowering time, harvesting time, kernel number per ear and yield of sample. Phosphate fertilizer  were  significantly effect to leaf number at 2 weeks planted, harvesting time, kernel number per ear and yield of sample. Bokashi were significantly effect to plant height (at 2, 3, 5 and 7 weeks planted), leaf number (at 2 and 5 weeks planted), male flowering time, female flowering time and number of kernel per ear. The combination between varieties and phosphate fertilizer were not significantly different to whole parameters. The combination between varieties and bokashi  were significantly different to plant height (at 7 and 8 weeks planted). The combination between phosphate fertilizer and bokashi  were significantly effect to plant height at 2 weeks planted and kernel number per ear.   Key words : maize, varieties,  phosphate fertilizer, bokashi
RESPONS PERTUMBUHAN DAN PRODUKSI BEBERAPA VARIETAS TANAMAN JAGUNG TERHADAP PEMBERIAN PUPUK N DAN K Pandia, Abdurrahman; Bangun, Mbue Kata; Hasyim, Hasmawi
Jurnal Agroekoteknologi Vol 1, No 3 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jaet.v1i3.1625

Abstract

The use of Central Composite Rotatable Design (CCRD) to determine the response surface yield at maize not yet a lot of checked, for that an research have been conducted in UPT BBI Tanjung Selamat, Regency of Deli Serdang, Province of North Sumatra with the land height ± 25 m above sea level, at May 2012 - August 2012.The design was used is randomized block design with two factors, the first factor is  two varieties (Bisma and SHS-4) and the second factor is fertilizer NK (the dose of NK determined from CCRD). Parameters measured were: plant height, the number of leaf, the number of leaf above cob, the time of tasselling, the time of silking, the time of harvesting, the rate seed filling, cob lenght, cob diameter, the number of lines  per cob, the number of seeds  per cob, weight of 100 seeds and production of dry seeds. The results showed that the varieties significantly on plant height, the number of leafs, the time of harvesting and dry seeds production. Fertilizer sigificantly on production of dry seeds. Interaction of varieties and fertilizer NK significantly on production of dry seeds.   Keywords : maize, NK fertilizer, varieties, CCRD.
PENGARUH PERLAKUAN PEMATAHAN DORMANSI TERHADAP VIABILITAS BENIH AREN (Arenga pinnata Merr.) Manurung, Desy; P. Putri, Lollie Agustina; Bangun, Mbue Kata
Jurnal Agroekoteknologi Vol 1, No 4 (2013)
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jaet.v1i4.4375

Abstract

The objective of this research were to study the influence of dormancy breaking methods onsugar palm seed viability. This research was conducted at screenhouse in Agriculture FacultyUniversity of North Sumatera, Medan (± 25 m asl) from June-September 2012, using completelyrandomized design with 8 treatments (control, water soaking 50ºC, 0.1%KNO 0.5%KNO and 0.1%HCl, 0.2%HCl, 0.3%HCl) with 4 replications. The results showed thadormancy breaking methods were significantly effect to axis embryo length (5 week after planted),germinating time, viability, plant height, diameter bar, numbers root, root length, fresh weight, dryweight and were not significantly to axis embryo length 4 WAP, normal sprout, abnormal sproutand the number  leaf extent.  3Keywords : dormancy, sugar palm. 3,  0.3%KNO3
Co-Authors Ginting, Eva Sari Hasyim, Hasmawi Lollie Agustina P. Putri Manurung, Desy Pandia, Abdurrahman