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All Journal JURNAL ILMU PERTANIAN JURNAL AGRILAND Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) JURNAL AGROHITA Jurnal Agrium Jurnal Agroplasma Best Journal (Biology Education, Sains and Technology) Community Development Journal: Jurnal Pengabdian Masyarakat Jurnal Agro Estate ABDI SABHA (Jurnal Pengabdian kepada Masyarakat) International Journal of Educational Research Excellence (IJERE) GMPI Conference Series Tabela Jurnal Pertanian Berkelanjutan Jurnal Agro Estate Jurnal Agro Fabrica
Guntoro
Institut Teknologi Sawit Indonesia
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Journal : Jurnal Agrium

 1 
Uji Potensi Alelopati Ekstrak Daun Mangga (Mangifera indica. L.) Sebagai Bioherbisida Terhadap Gulma Babandotan (Ageratum conyzoides L.) Guntoro, Guntoro; Yusuf Dibisono, Mhd; Sinaga, Anisyah
Agrium Vol 17, No 1 (2020)
Publisher : Faculty of Agriculture, Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/agrium.v17i1.2355

Abstract

Penelitian ini bertujuan untuk mengetahui efektivitas dan konsentrasi optimum ekstrak daun mangga (Mangifera indica L.) yang memiliki senyawa fenol yang berfungsi sebagai bioherbisida yang dapat menghambat pertumbuhan gulma Babandotan (Ageratum conyzoides). Penelitian ini dilakukan di rumah kaca STIPAP dari bulan April hingga Mei 2019. Metode yang digunakan adalah Desain Acak Lengkap Non-Faktorial. Variabel yang diamati adalah tinggi gulma, panjang akar gulma, bobot basah gulma, dan bobot kering gulma. Hasil penelitian ini menunjukkan bahwa senyawa alelokimia ekstrak daun mangga 60% merupakan konsentrasi yang efektif dan merupakan bioherbisida alternatif dalam mengendalikan pertumbuhan gulma. Kata kunci : Bioherbisida, Mortalitas, Gulma Babandotan, Alelopati
Pengaruh Aplikasi Stimulan Terhadap Hasil Produksi Tanaman Karet (Hevea brasiliensis Muell.Arg) Di PT. Socfin Kebun Tanah Besih Ingrid Ovie Yosephine; Guntoro Guntoro
Agrium Vol 16, No 2 (2019)
Publisher : Faculty of Agriculture, Universitas Malikussaleh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/agrium.v16i2.1936

Abstract

Stimulants are a substance used to stimulate the rubber plant to remove more latex than usual. Giving stimulant is usually done on plants aged over 6 years and on slow stater clones such as PB217 stimulant application done in the morning and a sunny day (not rain). Applied to the tapping grooves with lace application technique that is by lubricating the stimulant solution on the tapping groove without pulling scrapnya, in this study water-soluble stimulant or 1 liter of stimulant mixed by 3 liters of water to form a concentration of 2.5% stimulant used Ethrel PA 10. The research was conducted in Afdelling I Kebun Tanah Besih PT. Socfin. The time of this study was conducted in July until August 2017. The results showed that in giving stimulant can increase the production of latex, and lump, it's just DRC decreased dikolakan stimulant solution used has stimulated rubber tree to absorb water more than usual so that greater amount of water than its latex content. Keywords: Lubrication Time, Dose, and Tapping System 
Co-Authors Adi Prima Saragih Adinda Thalia Adri Moses Manullang Ahmad Dhairobi Ahmad Fahmi Alhafiz Lubis Ahmad Saleh Aulia, Mhd. Iqbal Cici Dalimunthe Dina Arfianti Saragih Eka Bobby Febrianto, Eka Bobby Ferdy Ikhwan Gema Tarigan Habib Handoko Hari Gunawan Hasrudy Tanjung, Hasrudy Hastina Febriaty Ika Ucha Pradifta Rangkuti Ingrid Ovie Ingrid Ovie Yosephine Iqbal Bukhori Irda Safni Irma Christiana Isna Ardila Kurnainy Tohir Lisnawita Lisnawita Lubis, Abdul Rahman Lubis, Ahmad Fahmi Alhafiz Maisarah Makhrani Sari Ginting Mardiana Wahyuni Marshal Arifin Sinaga Marzuti Isra Maulina, Viny Muhammad Firza Alpi, Muhammad Firza Muhammad iqbal Muhammad Yusuf Dibisono Nuraida Nuraida Nurliana Poppy Fitria Pradana, Fery Priyo Adinugroho Radite Tistama Raju Setiawan Damanik Resty Fadhillah Rina Maharany Rini Astuti Rio Ardiansyah Fenni Rio Ardiansyah Fenni Ritna Wahyuni Roosmawati, Febriana Sakiah Sakiah Simon Simanjuntak Sinaga, Anisyah Sri Murti Tarigan Sulthon Parinduri Tantawi, A. Rafiqi Tiffany Zia Aznur Wagino Wandi Marwadi Afandi Widia Lista Nasution Windra Surono Yazid, Abu Yusuf Dibisono, Mhd Zizi Graci Violita Zulham Efendi Zulham Effendi