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All Journal Jurnal Pengelolaan Sumberdaya Alam dan Lingkungan (Journal of Natural Resources and Environmental Management) ULIN: Jurnal Hutan Tropis Jurnal Agriment Agrifarm ABDIKU : Jurnal Pengabdian Masyarakat Universitas Mulawarman
Wahjuni Hartati
Fakultas Kehutanan Universitas Mulawarman
Agriculture, Biological Sciences & Forestry Humanities Earth & Planetary Sciences Education Environmental Science Other

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Journal : Jurnal Agriment

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PERTUMBUHAN TANAMAN SENGON BUTO (Enterolobium cyclocrpum Griseb) FASE TINGKATAN SEMAI DENGAN MEDIA OVERBURDEN Sukariyan Sukariyan; Marjenah Marjenah; Wawan Kustaiwan; Wahjuni Hartati; Garini Widosari
JURNAL AGRIMENT Vol 6 No 1 (2021): Juni 2021
Publisher : Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (215.234 KB) | DOI: 10.51967/jurnalagriment.v6i1.495

Abstract

Plant growth is known as increasing volume of the diameter and height of the plant stem. Overburdenmaterial after coal mining has conditions where the soil structure is damaged, rock fragmentation ismixed and there is no layer of organic matter. The research objective is to determine the suitability ofplant growth in several growing media. The research method is done by planting test in a nursery withplant growth media consisting of top soil material as a control, a mixing of overburden material withfoliar fertilizer from sengon buto plants, and overburden growing media, the three media werecompared. Results of significance were less than 0.05. The growth medium affects the growth ofsengon buto (Enterolobium cyclocarpum Griseb) seedlings.
Less Steep Slope Stored More Soil C than Those Steep Ones: A Case Study in HPFU Samarinda hartati, Wahjuni; Piri, Wandri L; Sudarmadji, Triyono; Syahrinudin, Syahrinudin
JURNAL AGRIMENT Vol. 9 No. 2 (2024): Desember 2024
Publisher : Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/jurnalagriment.v9i2.3193

Abstract

Global warming is a phenomenon of increasing global temperature of the earth from year to year due to the greenhouse effect that contains greenhouse gases (GHG) one of which is carbon dioxide (CO2), thereby increasing the absorption of heat released by the earth into the atmosphere, forests have a contribution as a provider of environmental services as an absorber of carbon dioxide (CO2). Hutan Pendidikan Fahutan Unmul (HPFU) is an area with forest status in Samarinda and is currently still dominated by land cover in the form of young secondary forest. this study was conducted to estimate the C reserves stored in the soil under the young secondary forest cover, determine its contribution to the total C reserves in the young secondary forest and estimate the potential of the total C reserves in the soil in HPFU. PUP is made measuring 20 m x 20 m on secondary forest cover with gentle slope (L2) to slightly steep (L3) at the top, middle, and bottom of the slope. In each slope do repetition as much as 3 times. In each PUP, a whole soil sample was taken using a sample ring and the soil was disturbed using a hoe at 3 depths,namely : 0-10 cm, 10-20 cm, and 20-30 cm. young secondary forest cover dominates the HPFU area on a gentle to rather steep slope. the C content of soil as deep as 30 cm in the sloping Slope area is 75.29 tons/ha with a total reserve of C is 5,499.80 tons and in a rather steep slope area is 54.69 tons/ha with a total reserve of C is 3,822. 83 tons
Co-Authors Ali Suhardiman Ananta, Dita Amelia Arya Wijaya Eko Adi Sulistiyo Garini Widosari Hasanuddin Hasanuddin Ibrahim Ibrahim Indriyanti, Gusti Larissa, Astrid Attha Marjenah Marjenah Marjenah, Marjenah Maula, Athiyatul Maurit Sipayung Muhammad Oky Pratama Septiaji Putra Mukrimin Noor Jannah Piri, Wandri L Pratiwi, Asti Rahayu, Indah Rahmad Hidayat Ria Rachel Paranoan RR. Ella Evrita Hestiandari Sherlyani, Stella Simanjuntak, Janri Sudarmadji, Triyono Sukariyan Sultan Sultan Syahrinudin, Syahrinudin Triyono Sudarmadji Triyono Sudarmadji Triyono Sudarmadji Tunggul Butarbutar Utomo, Faisal Prasetya Wawan Kustaiwan