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All Journal Jurnal Ilmu Pertanian Indonesia Agrotrop : Journal on Agriculture Science Agrikultura Journal of Tropical Soils JTSL (Jurnal Tanah dan Sumberdaya Lahan) Jurnal Solum EnviroScienteae Jurnal Pertanian Agros Journal of Applied Agricultural Science and Technology Agritrop : Jurnal Ilmu-Ilmu Pertanian (Journal of Agricultural Science) JURNAL AGROHITA AGROSCIENCE Jurnal Hilirisasi IPTEKS (JHI) Jurnal Agrotek Lestari Jurnal Agrium PENGABDI: Jurnal Hasil Pengabdian Masyarakat International Journal on Food, Agriculture and Natural Resources (IJFANRES) Agroteksos Jurnal Riset Perkebunan (JRP) Mandub: Jurnal Politik, Sosial, Hukum dan Humaniora Horizon: Indonesian Journal of Multidisciplinary
. Gusmini
Fakultas Pertanian Universitas Andalas
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Public Health Social Sciences Veterinary Other

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Journal : Jurnal Ilmu Pertanian Indonesia

 1 
The Physical Property Changes of Peatland upon Conversion of Oil Palm Plantation to Corn Cropping in Kinali, West Pasaman, West Sumatera Mimien Harianti; Teguh Budi Prasetyo; Junaidi Junaidi; Gusmini Gusmini; Anggun Fitria Yenad
Jurnal Ilmu Pertanian Indonesia Vol. 27 No. 4 (2022): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18343/jipi.27.4.502

Abstract

The decrease in oil palm production in Kinali, West Pasaman Regency, has become the factor that makes the farmers convert their peatlands to corn cropping. This study aimed to examine the physical characteristics (irreversible drying) of peatlands due to the conversion of oil palm to corn cropping. Some observations and samplings were conducted by applying a transect method, as it was perpendicular to the collection drain for 2, 200, and 400m from the main drains in three locations as the uses of the lands: (1) oil palm plantations, (2) <2-year corn cropping, (3) >2-year corn cropping. In each land, 3 sample points were taken with 2 repetitions at a depth of 0‒20 cm and 20‒40 cm. The physical properties of peatlands that have been converted from oil palm plantations to corn cropping include the water content increasing from 286.4 to 348.5 and 322.7%, the ash content decreasing from 55.2 to 43.5 and 47.5%, with C-organic increased by 25.9 to 30.7 and 32.4%, fiber content increased from 27.1 to 32.1 and 28.7%, and the volume weight of the peat tended to be similar (0.3 g/cm3). In all land use, irreversible drying occurred; in the oven at 50°C dan 70°C with a drying time of 3´24 hours, and at 150°C, and the drying time of 1´24 hours, the moisture content of 232‒256% in oil palm plantation, 269‒290% in <2-year corn cropping, and 394‒440% in >2-year corn cropping. Irreversible drying occureds more quickly on the peatlands in oil palm plantations rather than in corn cropping. Keywords: corn cropping, irreversible drying, palm oil plantation, peatland
Studi Fisika Tanah pada Budi Daya Tembakau (Nicotiana tabacum L) di Berbagai Kemiringan Lahan Adrinal, Adrinal; Gusmini, Gusmini; Putri, Elsa Lolita; Nadifa, Ghina
Jurnal Ilmu Pertanian Indonesia Vol. 29 No. 4 (2024): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18343/jipi.29.4.597

Abstract

The percentage of slope classes on a land has an impact on changes in soil physics. The purpose of this study is to evaluate the physical properties of soil planted with tobacco on various slopes in Kenagarian Situjuah Batua, Situjuah Limo Nagari District, Lima Puluh Kota Regency. The method used in this study was a survey; samples were taken purposively based on slope classes at slopes 8-15%, 15–25%, and 25–45% at depths of 0–20 cm and 20–40 cm. From each slope 3 repetitions were taken. The results showed that there were changes in soil physics properties in each slope class with the dominant texture of sandy clay loam. Organic matter was classified as high to low (18.77–3.63%), low soil buld density (0.66–0.34 g/cm3), and total pore space was classified as high (75.27–86.87%). The permeability of the soil was classified as very fast to somewhat slow (34.88–0.78 cm/h), and the aggregate stability index was somewhat steady to less steady (60.89–45.98%). It is recommended that tobacco farmers to make terrracing and cut the length of the slope so that it does not lose organic matter. Keywords: soil physical properties, slope level, tobacco plantation
Aplikasi Biokanat Guna Memperbaiki Sifat Kimia dan Menanggulangi Kontaminan Merkuri di Tanah Bekas Tambang Emas Gusmini, Gusmini; Adrinal, Adrinal; Arlius, Feri; Putri, Elsa Lolita
Jurnal Ilmu Pertanian Indonesia Vol. 29 No. 2 (2024): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18343/jipi.29.2.251

Abstract

Gold mining is an activity that utilizes natural resources by extracting the economic value of the deposits. Mining activities can produce hazardous pollutants, namely Hg (mercury), which can physically, biologically, or chemically damage soil quality. This study aimed to determine the role of biokanat application on the chemical properties of ex-mining land and to determine the effect of biokanat on reducing Hg levels in Kanagarian Padang Sibusuak, Sijunjung Regency. This study was a field experiment with 3 biokanat treatments (0, 10, and 20 ton/ha) with 3 replicates. The experimental 9 units were allocated based on Randomised Block Design. The data were statistically analyzed using an F-test with a 5% significance level. Then, it was continued using DNMRT if the Fcalculated > Ftable. The results showed that the dose of biokanat 20 ton/ha could increase the soil pH to 6.08, organic-C to 2.4%, P-available to 11.96 ppm, total-N to 0.23%, CEC to 2.58 cmol/kg, the basic cations especially Ca into 3.53 cmol/kg, Mg into 0.37 cmol/kg, K into 0.26 cmol/kg, and Na into 0.29 cmol/kg. Application of biokanat 20 ton/ha reduced the soil mercury (Hg) content to 15.96 ppm. Keywords: biocanat, mercury, gold mining
Co-Authors . Adrinal . Reflinaldon Afrima Sari Agustian Agustian Agustian Agustian Agustian Agustian Amrizal Saidi Anggun Fitria Yenad Anita Febriani Daulay Aprisal Aprisal, Aprisal Arlius, Feri Armansyah Armansyah Asmak Afriliana Basti Tetteng David Willy Saputra Manullang Dede Suhendra Dewi Rezki Elfrida Ratnawati Endar Hidayat Giska Oktabriana. S Haidar Haidar Haliatur Rahma, Haliatur Herianti Sonda Hermansah Hermansah Hermansah Hermansah, Hermansah Hiroyuki Harada Ika Ayu Putri Septyani Imra Atil Mardya Indra Dwipa Irfan Suliansyah Irnovriani Ramadhanti Putri A. Jihan Magfira Gaffar Jumsu Trisno Junaidi Junaidi Kazuyuki Nishimura Mardya, Imra Atil Masuda Taizo Mimien Harianti Nadifa, Ghina Oktabriana, Giska Oktabriana. S, Giska PANJI ROMADHAN Purwoko, Agus Putri, Elsa Lolita Rahmawati Syam Rika Hariance Riza Syofiani Riza Syofiani Romadhan, Panji RR. Ella Evrita Hestiandari Ryan Dwi Setyawan Syafrimen Yasin Teguh Budi Prasetyo Tengku Riza Zarzani N Tomio Itani Via Permata Sari Via Permata Sari Widia Febriana Yaherwandi Yasin, Syfarimen Yulistriani, Yulistriani Yulnafatmawita Yulnafatmawita Zulkarnaini Zulkarnaini