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All Journal Journal of Agrotechnology and Sustainability
Tarigan, Mulianta
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Agriculture, Biological Sciences & Forestry

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PENGARUH JARAK TANAM DALAM UPAYA MENEKAN PERTUMBUHAN GULMA PADA PERTANAMAN DAN PRODUKSI JAGUNG MANIS PADA VARIETAS EXSOTIC (Zea mays saccharate Sturt) Sitinjak, Lentina; Tarigan, Mulianta
AGROSUSTAIN Volume 2 Nomor 2 (2024)
Publisher : LPPM Universitas Katolik Santo Thomas Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54367/agrosustain.v2i2.4751

Abstract

This research aims to determine the effect of planting distance on weed growth and production of Exsotic sweet corn (Zea mays saccharate Sturt) varieties. Weeds are one of the main inhibiting factors in the growth of sweet corn plants, which can have a negative impact on production if not controlled effectively. This research was carried out from May to July 2024 on Jalan Ngumban Surbakti Gang Sedap Malam no. This research method uses a non-factorial Randomized Block Design (RAK) which consists of 3 levels. The treatment factors are the first: J1 with a planting distance of 50 cm x 25 cm, J2 with a planting distance of 60 cm x 25 cm and J3 with a planting distance of 70 cm x 25 cm. The research data were analyzed using variance based on a linear model. Based on the research results, there is an influence of planting distance on the presence of weed vegetation in corn planting areas. The most types of weeds are found at planting distance J3 (70 x 25 cm) with 6 types of weeds with a Summed Dominance Ratio (SDR) of 1.14%, while the type of weed with the lowest SDR is found at planting distance J2 (60 x 25 cm) amounting to 0.83%. And planting distance has a significant effect on plant height at 2 and 8 WAP, stem diameter at 2 WAP, number of leaves at 2 WAP, production per sample, weight per plot and safe weight. Plants had the best growth at a planting distance of J3 (70 cm x 25 cm), while the highest production was at a planting distance of J1 (50 cm x 25 cm).
Co-Authors Sitinjak, Lentina