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Saragih, Chaula Lutfia
Agroteknologi, Universitas Quality Berastagi
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Characteristics of the Use of Organic Mulch Sheets on Weed Growth in Caisim Mustard (Brassica juncea L.) Theo Nicodemus Tarigan; Chaula Lutfia Saragih; Agus Susanto Ginting
Indonesian Journal of Agriculture and Environmental Analytics Vol. 5 No. 2 (2026): July 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ijaea.v5i2.16878

Abstract

This study aims to analyze the physical characteristics of organic mulch sheets made from banana stalks, water hyacinth, and a combination of both, as well as to evaluate their effectiveness on soil microclimate, weed growth, and the yield of Chinese cabbage (caisim) in the highlands of Karo Regency. The study employed an experimental design using a non-factorial Randomized Block Design (RBD) with four treatments and three replications. The observed variables included the physical properties of the mulch, the degree of degradation, soil coverage effectiveness, weed growth, and crop yield during the study’s observation period. Data were analyzed using an F-test at the 5% significance level and the BNJ test. The results showed that the organic mulch mixture of banana stalks and water hyacinth (1:1) had the best physical characteristics, with a tensile strength of 0.9761 MPa, elongation of 1.47%, and Young’s modulus of 15.7532 MPa, as well as the lowest damage rate (45%) and the highest soil coverage effectiveness (80%). The use of organic mulch had a significant effect on suppressing weed growth compared to no mulch. The mixed mulch produced the lowest number of weeds, at 28.33 individuals, and the lowest weed weight, at 6.33 g. However, differences in mulch type did not have a significant effect on the weight of the Chinese cabbage plants. Overall, a mulch mixture of banana leaves and water hyacinth is recommended as the most effective organic mulch alternative for weed control in Chinese cabbage cultivation.
The Effect of Liquid Organic Fertilizer and Urea Fertilizer on the Growth and Production of Kailan (Brassica oleracea) Ondo Hanatha Tondang; Roida Ervina Sinaga; Chaula Lutfia Saragih
Indonesian Journal of Agriculture and Environmental Analytics Vol. 5 No. 2 (2026): July 2026
Publisher : PT FORMOSA CENDEKIA GLOBAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55927/ijaea.v5i2.16893

Abstract

The objective of this study was to determine how the use of liquid organic fertilizer and urea affects the yield of kailan. This study employed a randomized block design with 288 samples. After completing the planting process from the beginning to the end of the harvest period, the data collected through the studied parameters will be analyzed using SPSS ANOVA. The results show that all plant parameters, including height, number of leaves, stem diameter, and fresh weight, developed well and showed significant growth. The results of this study indicate that the use of liquid organic fertilizer and urea significantly affects the growth and yield of kailan.
Co-Authors Agus Susanto Ginting Agus Susanto Ginting Algazali, Algazali Christy, Julieta Dahang, Donatus Daniel Maruli Tua Gultom Donatus Dahang Eko Prasetya Ginting Eko Prasetya Ginting Fauzul Azhimah Fauzul Azhimah Ginting, Betaria Evintata Br Ginting, Elsa Sepanya Br Ginting, Raymonta Ginting, Sareyanti Br Hagai Bastanta KaroSekali Harun Pratama Sitepu Julieta Christy Lenni Marlina Pasaribu Lyndon Parulian Nainggolan Mahda Marissa Br Perangin-angin Mikael Diva Putra Sitepu Munthe, Alek Wanson Nani Kitty Sihaloho Nurita Br Sembiring Ondo Hanatha Tondang Pandia, Wajib Purba, Bennedik Radison Sihotang Raymonta Ginting Riduan Sembiring Robert Sinaga Roida Ervina Sinaga Ruth Dameria Haloho Sembiring, Abdul Rigil Salman Sembiring, Menanti Sembiring, Nurita Br Seringena Br Karo Sihaloho, Nani Kitti Sinaga, Robert Sinulingga, Suranta Sitepu, Ester Rehlitna Sitepu, Harun Pratama Suranta Sinulingga Swati Sembiring Tambunan, Alfeus Tamsar, Pedtrix Rolamdo Tamsar, Pedtryx Rolando Tarigan, Nicolas Jovi Tarigan, Sumatera Theo Nicodemus Tarigan Togu, Yohanes Wajib Pandia