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All Journal Jurnal Agrotropika
Eko Pramono
Fakultas Pertanian, Universitas Lampung, Bandar Lampung, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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HASIL DAN VIGOR AWAL BENIH KEDELAI (Glycine max [L.] Merrill) YANG DIPANEN DARI PERTANAMAN TUNGGAL DAN GANDA DENGAN KETELA POHON Eko Pramono; Muhammad Syamsoel Hadi; Tumiar Katarina B. Manik; Fadila Ramadhani
JURNAL AGROTROPIKA Vol. 25 No. 1 (2026): Jurnal Agrotropika Vol 25 No 1, Mei 2026
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v25i1.12641

Abstract

Limited planting land leads to the use of double-cropping systems for food crop production. This experiment aims to determine the yield and initial vigor of soybean seeds harvested from double planting of cassava-soybean with different cassava planting intensities. This experiment was conducted at the Vegetable Seed Management Unit, Sekincau Village, and the Seed and Plant Breeding Laboratory, Faculty of Agriculture, University of Lampung, from June 2022 to February 2023. Soybean variety Dega-1 and cassava clone Ketan were planted singly and double-planted with 4 compositions, namely 1) single soybean planting (p₁), and 2) double cassava-soybean planting with soybean planting intensities of 67% and cassava planting intensities of a) 67% (p₂), b) 78% (p₃), and 89% (p₄). Each treatment level was replicated five times in five blocks. Analysis of data variance using Minitab Ver. 17 and comparison of the mean values of treatments with Duncan's Multiple Range Test (DMRT) using Excel 2013. The intensity of cassava plants in double cropping with soybeans did not reduce soybean yield per plant or initial seed vigor, but reduced soybean seed yield per plot and increased the land equivalence value from 1.00 to 1.29-1.37.
Co-Authors Fadila Ramadhani Muhammad Syamsoel Hadi Tumiar Katarina B. Manik