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All Journal JTSL (Jurnal Tanah dan Sumberdaya Lahan)
Miseri Roeslan Afany
Program Studi Ilmu Tanah, Universitas Pembangunan Nasional “Veteran” Yogyakarta
Agriculture, Biological Sciences & Forestry Environmental Science

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PENGARUH PRAKTIK PERTANIAN ORGANIK DAN SEMI ORGANIK TERHADAP BEBERAPA SIFAT TANAH DI LERENG SELATAN GUNUNG MERAPI Amsyah Pratama; Miseri Roeslan Afany; Muhamad Kundarto
Jurnal Tanah dan Sumberdaya Lahan Vol. 10 No. 1 (2023)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (239.775 KB) | DOI: 10.21776/ub.jtsl.2023.010.1.19

Abstract

Volcanic activity provides fertility for the land on the slopes of Merapi. The material from the eruption of Merapi contains many nutrients. The fertility of the Merapi area is used by the people on the slopes of Merapi to grow vegetable and fruit crops. This study aimed to determine the influence of organic and semi-organic farming practices on several soil properties on the southern slopes of Mount Merapi.  This research used a survey method. Research locations on organic farming practices in Tani Organik Merapi (TOM), semi-organic farming practices 1 in Indmira and semi-organic farming practices 2 at UPTD BP3MBTP Ngipiksari. Determination of sample points was carried out purposively based on their agricultural practices. Sample points in organic farming practices, semi-organic 1 and 2 as many as 9 sampling points. After that, the physical, chemical, and biological properties of the soils were analyzed ina laboratory. The results of this study showed that organic farming practices could increase soil pH, caciton exchange capacity (CEC) and the number of bacteria.
PENGARUH PEMBERIAN PUPUK BOKASHI DAN ZEOLIT SEBAGAI BAHAN PEMBENAH TANAH TERHADAP KETERSEDIAAN NITROGEN TANAH REGOSOL Anna Febya Narulita; R. Agus Widodo; Miseri Roeslan Afany
Jurnal Tanah dan Sumberdaya Lahan Vol. 10 No. 2 (2023)
Publisher : Departemen Tanah, Fakultas Pertanian, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jtsl.2023.010.2.8

Abstract

Regosol has been widely used for agricultural production despite its low nutrient availability and adsorption. This research aimed to know the effects of bokashi and zeolite on the availability of nitrogen (N) in Regosol. The experiment was carried out with a completely randomized 2-factors design. The first factor was bokashi, with three levels: 0 t ha-1 (B0), 20 t ha-1 (B1), and 30 t ha-1 (B2). The second factor was zeolite with three levels: 0 t ha-1 (Z0), 5 t ha-1 (Z1), and 10 t ha-1 (Z2). Each treatment was repeated three times. Each treatment was incubated for 30 days. The parameters before being treated were texture, bulk density, pH H2O, N-totals, C-organic, available N, and CEC in soil, pH H2O, N-totals, available N, and C-organic in bokashi, also CEC in the zeolite. The parameters after being treated were pH H2O, N-totals, C-organic, C/N, available N, and CEC in soil, also leached NH4+ and leached NO3- in water. The data were analyzed with ANOVA followed by the DMRT at a 5% level. The results showed that bokashi significantly affected the available N, pH H2O, N-total, leached NO3-, and CEC, meanwhile zeolite did not significantly affect the available N but significantly affected the N-totals, C/N in soil, and leached NO3-. The combination of bokashi and zeolite did not significantly affect the available N in the soil. The best dose of bokashi increasing available N of Regosol was at a dose of 20 t ha-1 (B1).
Co-Authors Amsyah Pratama Anna Febya Narulita Muhamad Kundarto R. Agus Widodo