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All Journal Biosfer: Jurnal Tadris Biologi Jagur: Jurnal Agroteknologi
Ade Noferta, Ade
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Immunology & microbiology Social Sciences Other

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Keanekaragaman Coccinellidae Predator Pada Beberapa Ekosistem Perkebunan di Kabupaten Dharmasraya Efendi, Siska Chiko; Yaherwandi, Yaherwandi; Noferta, Ade; Muhammad, Aditya
Biosfer: Jurnal Tadris Biologi Vol 10 No 2 (2019): Biosfer: Jurnal Tadris Biologi
Publisher : UNIVERSITAS ISLAM NEGERI RADEN INTAN LAMPUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24042/biosfer.v10i2.5558

Abstract

The objectives of this research were to study the species diversity and to determine the dominant species of lady bird beetle predators in high land plantation ecosystem in West Sumatera. The samples were taken by hand collection and sweep net. The data of species diversity were analyzed using Shannon-Wiener index, evenness of species were analyzed by Simpson index, and  dominant species using important value index. The results showed that there were 91 individuals predator found which consisted of 7 species. The highest  species diversity (1.74) and evenness (0.89) were found in Pulau Punjung. The lowest diversity and evennes (1,40) and (0,75) was found in Koto Besar. The highest  species importance value index was 1,00, that was Menochillus sexmaculatus.
Pengaruh Pemberian Kompos Isi Rumen Sapi terhadap Pertumbuhan Bibit Kelapa Sawit (Elaies guineensis Jacq.) di Main Nursery Gita, Isna; Suliansyah, Irfan; Noferta, Ade
JURNAL AGROTEKNOLOGI UNIVERSITAS ANDALAS Vol 4 No 2 (2022)
Publisher : Jurusan Budidaya Pertanian Fakultas Pertanian Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jagur.4.2.59-65.2022

Abstract

The purpose of this study was to see and determine the effect of application of cow rumen compost on the growth of oil palm seedlings (Elaies gueneensis Jacq.) in main nursery. This research was carried out in the experimental garden of the Agroecotechnology Department, Faculty of Agriculture, Andalas University from September 2018 to February 2019. This research was conducted whit 5 treatments and 5 replications, each of which consisted of 2 units of plant experiments. Doses of compost were 0 g, 250 g, 500 g, 750 g and 1000 g. The parameters observed were plant height, leaf length, leaf width, number of leaves, and stem diameter. The data obtained were analyzed by variance with a level of 5% if significantly different followed by Duncan’s New Multiple Range Test (DNMRT) at 5% level. The application of 1000 g compost gave the best result on plant height, leaf length, leaf width, leaf number, and hump diameter.
Co-Authors Gita, Isna Irfan Suliansyah Muhammad, Aditya Siska Efendi Yaherwandi