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Journal : Warta Rimba

PENGARUH PEMBERIAN PUPUK UREA TERHADAP PERTUMBUHAN SEMAI JATI (Tectona grandis L.f) PADA LAHAN BEKAS TAMBANG POBOYA Setiawan, Ari; Umar, Husain; Hamzari, Hamzari
Jurnal Warta Rimba Vol 7, No 1 (2019)
Publisher : Universitas Tadulako

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Abstract

Teak (Tectona grandis L.f) is a timber commodity that has a very high economic value. High teak needs are not in line with the ability to procure teak wood which is still low. Teak growth is often hampered by improper growing conditions, especially in former mining areas. Gold mining activities will also cause a decline in soil microbial population, damage to flora and fauna and the production of tailings from these mining activities. This condition needs treatment through fertilizer application. Urea is a nitrogen fertilizer that is needed by plants to stimulate overall growth, especially stems, branches and leaves. The success of a plant does not escape the use of superior, healthy and quality seeds. The research was conducted for three months, namely from June to August 2016 at Poboya, Mantikulore District, Palu City, Central Sulawesi Province. The material used in the implementation of this study was Semai Jati (Tectona grandis L.F) and urea fertilizer. This study used a completely randomized design consisting of 6 treatments and 3 replications, so that there were 18 experimental / observation units. Sidik Ragam analysis was conducted to determine the effect of the treatment that was tried on teak seedlings. Honest Real Test (BNJ) is conducted to see the effect or treatment. The results showed that the treatment of urea fertilizer had a significant effect on the parameters of height increase and the number of teak seedling leaves, while the increase in diameter had no significant effect. The treatment of P1 (2 g / seed) gave the best influence on all parameters added to the teak seedlings observed.Keywords: Urea Fertilizer, Teak Seedlings, KPH, Poboya Mining Mine.
Co-Authors ., Susan A.A. Ketut Agung Cahyawan W Ab Ghani, Hawa Husna Abdul Basith Abdul Rahim Abdullah Umar, Abdullah Achmad Baidowi, Achmad Ade, Kornelius Adi Suyatno Adiguna, Muhammad Ekky Satria Adnan, Nor Syamimi Mohamed AF, Oca Fernandes Agoes Santoso Agus Subekti Agust, Krisit Ahmad Kholil Akbar Al Masjid Amsori M Das Anderson, Ganda Andrian, Dedek Aprijal, Aprijal Apriyanto, Mulono Ariwiguna, Wily Arum Putri Rahayu Aryono Adhi, Aryono As'ad, Ihwana Asih, Eka Kurnia ASTIKA, RIA Astuti, Nuryani Dwi Aulia, Qisthina Awalia, Sofi Nur Ayres, Mark Ayu Putri Azmi, Zul Bimansyah, Willyam Budiman Budiman Candra, Rizal Nufal Cendana, Wiputra Chandra, Ronny Hernawan Chayati, Nurul Dardjito, Hanandyo Darmadi, Djarot Bangun Darwis, Nurizah Binti Mohamed Das, Amsori M. Daulay, Dicky Edwar Dendo, Anastasia Datam Diah Indriani Dian Purnamasari Didik Rinan Sumekto Diharjo, Diana Hafilda Digdho Djarot B. Darmadi, Djarot B. Dona Setya Dwi Susanto Dwiretnani, Annisaa Dwiyati, Siska Titik Edi Kadarsa, Edi Eka Setiawati Elroy, Mikha Elvira handayani Enggar Kartikasari, Enggar Epi Supriyani Siregar Evi Susilawati Farida Agus Setiawati fatimah Fatimah Fatin Nadifa Tarigan Firdaus, Muhamad Yusuf Fitri Amalia Gary, Joshua Gunarto, Frendy Z. Hadmoko D S, Hadmoko D Hamzari Hamzari Hane, Thomas Didimus Hanna, Tabitha Harsono, Muhamad Sarbani Harun, Makmur Heny Setyawati Herawan, Budi Heri Retnawati Hidayatullah, Rizqy Hiden Hiden Hilmanto, Malvin Hurairah, Abi Husain Umar Ika Dyah Kumalasari Ika Purnama Sari Ikhsani, Mifta Kurnia Indriana, Rina Dwi Irham Nurwidyanto Istiyarni, Istiyarni K, Antonius Candra Khairas, Eri Ester Khilian, Abdul Mutalib Khofifah, Nor Khosiyono, Banun Havifah Cahyo Kinley Aritonang Kirbani S B, Kirbani S Kirbani Sri Brotopuspito Kristina, Sonna Kristy, Kristy Kusuma, Andri Laxmi, Laxmi Lukman Handoko Lukman Nasution Mahatwan, Dian Mami Hajaroh Marcelina, Gita Vegi Marsum Marsum Martadinata, Sanjaya Maulida, Minati Melawaty Agustien, Melawaty Mualim, Rahmat Muflihah Isnawati Muhammad Ali Gunawan Muhammad Fajri Mulia, Citra Muljo, Ariyani Muryadin, Muryadin Muttaqie, Teguh Noer, Zakiah Noor, Fariz Novi Laura Indrayani, Novi Laura Nurul Priyantari Pakpahan, Eka Kurnia Asih Pardimin Pardimin Pardimin, Pardimin Pratama, Danang Budi Pratama, Rizki R Prayoga, Arif Priono, Joko Priyani, Diah Indah Puji Hastuti Rahmatullah, Muhammad Imam Ramadhan, Aldo Reghan Ramadhani, Iqbal Ramdani, Achmad Ratna Sari, Dwi Rauza Sukma Rita Rezvani, Rifki Riananda, Agif Rodhiyah, Syifa Robby Rolls, Nicola Rosid, Muhammad Alfan Roslaini, Roslaini Rukmini Rukmini Rulhendri Rulhendri Rustam, Fradilah Saefudin, Yusuf Saputri, Hafizah Rahma Saputro, M. Elan Sari, Hindun Andan Sarim, Sandria Setiawati, Marla Setiyobudi, Nanang Sidik, Muhamad Fajar Sihombing, Roy Freddy Sinulingga, Timothy Oktavianus Siregar, Januar Parlaungan Sitepu, Teguh E. N. Sitepu, Teguh Ersada Natail Siti Maesaroh Siti Nurhayati Soenantyo, Tarcisius Aris Sri Murlianti Sri Panca Setyawati Sri Widiyati, Sri Sufiyanto, Muhammad Imam Suhaila Husna Samosir Suhendar, Satrian Suhendra Suhendra Sumarwan, Edi Suparmin Suparmin Supriyadi Supriyadi Supriyanto, Rahmat Suryanto, Wiwit Susanto Susanto Sutarman Syaefudin, Eko Arif Syafriani Syafriani, Syafriani Syarief Fajaruddin T, Riki Tapotubun, Alfonsina M. Tengku Riza Zarzani N Trisnowati Josiah Tyas, Rizqa Ramadhaning Uslan Utami, Lastuti Utomo, Anggoro Prasetyo Valiant, Vincent Vina Sari Yosephine Wahyudi Wahyudi Wahyudi, Danial Wahyudin Wahyudin Wanto, Endra Wardani, Ken Ratri Wari Dony Wati, Ilma Wiwit Rahina Widananda, Charisma Wulan Wijaya Kusuma Rahadi, Cakra wiwit S, wiwit Yahya, Indra Nur Yohanes Setiawan Yuldashev, Azim Abdurakhmanovich YULI ASTUTI, YULI ASTUTI Yuli Prihatni Yulian Findawati Yunitasari, Cindy Fatma Zarochman, Zarochman