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Wahidi, Ismed
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Agriculture, Biological Sciences & Forestry Education Environmental Science

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I INSEKTA PENGUNJUNG CABAI MERAH (Capsicum annuum L.) DAN SUMBANGSIHNYA PADA MATERI INSEKTA KELAS X SMA/MA Wahidi, Ismed; Putri, Mutia Belian; Zural, Mimin Mardhiah
Jurnal Bioconcetta Vol 5, No 2 (2019): Sinta 4
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/bc.2019.v5i2.3666

Abstract

The aims of this research to find out the kind of insects that visited red chili inblooming phase to be used a validity of teaching material. This research isdevelopment research by descriptive with the method of collecting insects thatvisited red chili and development research with 4D models that modifiy fromThiagarajan et al., (1975), arrive developt phase which is expert judge. Thedata was processing and analyzed with qualitatively and descriptive. Basedon the research from type of goer insects, it was found there are 14 species.With results from development research was found criteria very valid(83,1%). Related to this research it can be concluded that types of goerinsects for red chili which contribute to atlas in role of insects for plantstopics is reasonable.
Response of Some Rice Cultivars in New Opening Paddy Fields with High Fe2+ Using Multi-packet Technology Utama, M Zulman Harja; Wahidi, Ismed; Sunadi, .
JOURNAL OF TROPICAL SOILS Vol. 17 No. 3: September 2012
Publisher : UNIVERSITY OF LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5400/jts.2012.v17i3.239-244

Abstract

The main obstacle to increase rice yield in new opening paddy fields, is that high levels of dissolved ferrous ions(Fe2+) which toxic to plants. This research aimed to study the growth and yield of several rice cultivars tolerant toFe2+ in the new opening paddy fields with multi-packet technology. The experiment was conducted from April toDecember 2010, at the new opening pay fields in Koto Baru of Dharmasraya District, West Sumatra. Experimentsused a factorial in a Completely Randomized Design with three replications. The first factor was, selected ricevarieties which were: Krueng Aceh; IR 36; Tukad Balian; Ciherang; and Cisokan. The second factor was thedifferent plant spacing which were a 30 × 30 cm with two seeds per hole, and Plant spacing (10 × 10) × 30 × (10 × 10)cm with one seed per hole. The rice cultivation with packet technology can improved the growth and yield of paddyrice cultivated in new opening paddy field high in Fe2+. Technology package consisting a combination of ricevariety (Krueng Aceh, IR36, and Tukad Balian) + SRI system + peat amelioran 20 Mg ha-1 + plant spacing (10 × 10)× 30 × (10 × 10) cm with one seed per hole, had the best growth and yield of rice cultivated in the new opening fieldshigh in Fe2+, especially in Koto Baru of Dharmasraya District, Krueng Aceh was a variety with the highest grain production by 5.65 Mg ha-1.Keywords: Fe2+; new fields; rice cultivar; technology[How to Cite: Utama MZH, I Wahidi and Sunadi. 2012. Response of Some Rice Cultivars in New Opening Paddy Fields with High Fe2+ Using Multi-packet Technology. J Trop Soils, 17 (3) : 234-244. doi: 10.5400/jts.2012.17.3.239][Permalink/DOI: www.dx.doi.org/10.5400/jts.2012.17.3.239] 
Co-Authors Putri, Mutia Belian Sunadi, . Utama, M Zulman Harja zural, mimin mardhiah