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All Journal Jurnal Sains Teknologi dan Lingkungan (JSTL) Jurnal Gema Ngabdi Journal of Soil Quality and Management
I Gusti Made Kusnarta
Program Studi Ilmu Tanah, Fakultas Pertanian Universitas Mataram
Agriculture, Biological Sciences & Forestry Humanities Computer Science & IT Education Environmental Science Public Health Social Sciences

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Teknik Bedeng Permanen Alternatif Mengurangi Biaya Produksi Usahatani Pada Kondisi Pendemi Covid19 I Nyoman Soemeinaboedhy; Padusung Padusung; I Gusti Made Kusnarta; Mahrup Mahrup; Fahrudin Fahrudin
Jurnal Gema Ngabdi Vol. 3 No. 3 (2021): JURNAL GEMA NGABDI
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jgn.v3i3.153

Abstract

Permanent raised-beds can be used in several soil seasons and aim to increase production through the application of sustainable and sustainable agriculture and can improve the welfare of farmers. The three basic principles of conservation agriculture are: i) applying minimal or no tillage ii) applying cover crops continuously throughout the year, and iii) applying crop diversification, either by intercropping, crop rotation, and consecutive cropping (relay cropping), especially between non-legume and legume crops. Service activities provide knowledge to farmers by demonstrating the application of permanent bed farming techniques to reduce farm production costs. This activity is expected to: 1) as an example of the application of permanent bed-based agriculture to prevent soil erosion by planting cover crops and mulch, 2) as an example of a permanent bed technique to maintain soil stability and save costs, 3) as an example of a natural way to restore physical, chemical and biological fertility of dry soil, and 4) as an example of how to increase soil productivity in dry paddy fields typology. To achieve this, several conservation methods will be introduced, as well as several types of vegetable crops and minimum tillage techniques will be introduced.  
Pengaruh Aplikasi Limbah Padi dan Tumpangsari dengan Kacang Tanah Terhadap Sifat Biologi Tanah dan Pertumbuhan Padi Beras Merah (Oryza nivara) pada Sistem Irigasi Aerobik Fadila Mawaddah; I Gusti Made Kusnarta; I Putu Silawibawa; Sutriono Sutriono
Journal of Soil Quality and Management Vol. 1 No. 2 (2022): Journal of Soil Quality and Management
Publisher : Department of Soil Science, Faculty of Agriculture, University of Mataram

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Abstract

Penelitian ini bertujuan untuk mengetahui pengaruh aplikasi limbah padi dan tumpangsari dengan kacang tanah terhadap sifat biologi tanah dan pertumbuhan padi beras merah pada sistem irigasi aerobik dengan melaksanakan percobaan lapangan di Desa Beleke, Kecamatan Gerung, Kabupaten Lombok Barat, dimulai dari bulan Oktober 2020 sampai februari 2021. Percobaan ini menggunakan Rancangan petak terbagi (Split Plot Design) terdiri dari dua faktor : faktor pertama pola tanaman meliputi monocrop padi beras merah (T1), pola tanam tumpangsari padi beras merah dengan kacang tanah (T2) sebagai petak utama dan limbah organik (L0=tanpa limbah, L1=sekam, L2=abu sekam dan L3=abu sekam+ pupuk kandang sapi) sebagai anak petak. Data hasil pengamatan dianalisis menggunakan Analysis of Variance (ANOVA) dan uji lanjut Beda Nyata Jujur pada taraf 5% menggunakan program CoStat for Windows. Hasil penelitian menunjukkan bahwa perlakuan pola tanam berpengaruh nyata  terhadap tinggi tanaman, jumlah anakan, laju pertumbuhan tinggi tanaman dan jumlah spora mikoriza. Faktor aplikasi limbah organik berpengaruh nyata terhadap jumlah spora Interaksi antara faktor pola tanam dan aplikasi limbah organik (T x L) berpengaruh nyata terhadap variabel laju pertumbuhan jumlah anakan dan laju pertumbuhan jumlah daun tetapi tidak berpengaruh nyata terhadap variabel lainnya.
Pemanfaatan Biochar dan Respon Pertumbuhan Tanaman Sawi Hijau (Brasicca juncea L) pada Tanah Tercemar Merkuri (Hg): Utilization of Biochar and Growth Response of Green Mustard Plant (Brasicca juncea L) on Mercury (Hg) Polluted Soil Baiq Siti Rohmaniati; Sukartono Sukartono; Fahrudin Fahrudin; I Gusti Made Kusnarta; Lolita Endang Susilowati
JURNAL SAINS TEKNOLOGI & LINGKUNGAN Vol. 9 No. 3 (2023): JURNAL SAINS TEKNOLOGI & LINGKUNGAN
Publisher : LPPM Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jstl.v9i3.491

Abstract

This study aims to determine the potential of biochar on the mobility of mercury (Hg) in polluted soil planted with mustard greens (Brasicca juncea) and to determine the growth response of mustard greens (Brasicca juncea) in absorbing mercury (Hg). This study used the experimental method, which is a method that aims to examine the effect of biochar application at various doses on the mobility of mercury using the indicator plant mustard greens (Brasicca juncea L) in mercury (Hg) polluted soil. This experiment was carried out from March to June 2023 in the Greenhouse of the Faculty of Agriculture, University of Mataram. Soil samples were collected in Pelangan Village, Sekotong District, West Lombok Regency at several points near the gold processing unit. The samples were taken at top soil of 30 cm with a distance of 100 cm from the processing site then composited. Soilschemical properties including concentration of Hg before and after experiments were measured. Agronomic variables include fresh and dry weight of roots, total dry weight of and concentration of Hg) in plant tissue were also measured. The results of the study showed that the application of rice biochar reduced mobility of Hg in soils. The concentration of extractable-Hg in biochar-treated soils were lower compared to control. This is likely related to the potential adsorption of a number of IHg and MeHg by the negative surface of the biochar and also the formation of association of Hg bonds with the functional groups of the biochar. However, this needs further confirmation.
Co-Authors Baiq Siti Rohmaniati Fadila Mawaddah Fahrudin Fahrudin I Nyoman Soemeinaboedhy I Putu Silawibawa Lolita Endang Susilowati Mahrup Mahrup Padusung Padusung Sukartono Sukartono Sutriono Sutriono