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All Journal Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam
Siti Nuryatin
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Agriculture, Biological Sciences & Forestry Chemistry Mathematics Physics

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Vegetasi Gulma pada Tanaman Ubi Kayu (Manihot esculenta) Di Kabupaten Oku Timur Sumatera Selatan Syamsul Rizal; Siti Nuryatin; Trimin Kartika; Marmaini Marmaini
Sainmatika: Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam Vol. 19 No. 1 (2022): Sainmatika : Jurnal Ilmiah Matematika dan Ilmu Pengetahuan Alam
Publisher : Universitas PGRI Palembang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31851/sainmatika.v19i1.7812

Abstract

Research on Weed Vegetation in  Cassava (Manihot esculenta) was carried out from March to April 2019 at a cassava plantation in East OKU Regency, South Sumatra. This study aims to determine the composition and structure of weeds in cassava plantations. This study used a quadratic method with 7 plots of 2 x 2 m in size. The parameters observed were density (K), relative density (KR), frequency (F), relative frequency (FR), Importance Value Index (INP) and Community Diversity Index (H '). The results showed 11 types of weeds, namely Ageratum conyzoides, Erechtites valerianifolia, Chromolaena odorata, Asystasia gangetica, Mimosa pudica, Boreria alata, Calapogonium caereuleum, Cleome rutidosperma, Physalis angulata, Cyperus rotundus, and Axonopus compressus. The dominant species was Ageratum conyzoides INP 47.43%. Species diversity is moderate with H 'value.
Co-Authors Marmaini Marmaini Rizal, Syamsul Trimin Kartika, Trimin