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All Journal Jurnal Sains Teknologi dan Lingkungan (JSTL) Jurnal Biologi Tropis JMM (Jurnal Masyarakat Mandiri) Prosiding Konferensi Nasional PKM-CSR
Bambang Hari Kusumo
Universitas Mataram
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Nursing Public Health Social Sciences Other

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Pengelolaan Tanaman Penutup Tanah untuk Meningkatkan Produksi Jagung Manis Di Lahan Kering Vertisol Lombok Herman Suheri; Komang Damar Jaya; Bambang Hari Kusumo
JURNAL SAINS TEKNOLOGI & LINGKUNGAN 2021: Special Issue, Oktober 2021
Publisher : LPPM Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jstl.v0i0.267

Abstract

One of the obstacles in increasing maize production in Indonesia is the low efficiency of fertilizer use by plants as a result of low levels of organic matter in the soil. Although it only occupies a portion of approximately 2-10%, the role played by organic matter in the soil is very large, both in physical, chemical and biological aspects. One of the practical and efficient alternatives to increase organic matter in the soil is through the management of cover crops (TPT). In this study, individually or after being combined into one, three types of TPT were stocked before the harvest of the predecessor plant (rice). As a comparison, plots without TPT were also provided. Rice litter together with TPT biomass from each TPT treatment was returned to the soil after rice was harvested in a separate plot pattern. In each TPT treatment plot, fertilization treatments were made with a dose of 0 kg/ha NPK, 100 kg/ha NPK, 200 kg/ha NPK and 300 kg/ha NPK. The experimental results showed that TPT biomass had a positive impact on increasing the growth and yield of sweet corn on vertisol soils. Provision of cover crops in the form of a mixture of cowpea, mung bean and krotalaria tended to have a better effect than individual administration. From the results of this experiment, it is also known that the provision of precursor plant biomass combined with TPT biomass can reduce the use of chemical fertilizers by 50-60% of the maximum plant requirement.  
PENGOMPOSAN SAMPAH ORGANIK RUMAH TANGGA DENGAN DEKOMPOSER LOKAL DI DESA NARMADA, KABUPATEN LOMBOK BARAT Lolita Endang Susilowati; Zaenal Arifin; Bambang Hari Kusumo
JMM (Jurnal Masyarakat Mandiri) Vol 5, No 1 (2021): Februari
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (589.272 KB) | DOI: 10.31764/jmm.v5i1.3190

Abstract

Abstrak: Sampah organic rumah tangga yang dihasilkan oleh masyarakat Desa narmada belum dikelola menjadi suatu produk yang bernilai ekonomi. Produk sampah organik dibuang begitu saja di lahan terbuka, di sungai atau dibakar. Karena itu, kegiatan pengabdian ini bertujuan untuk memperkaya pengetahuan sasaran penerima manfaat dalam rangka membangun motivasi masyarakat untuk mengelola sampah organic rumah tangga menjadi kompos yang bermanfaat. Kegiatan ini dilakukan di Desa Narmada, Kabupaten Lombok Barat. Sebagai masyarakat penerima manfaat adalah ibu rumah tangga dari kelompok PaManSam “Pangolah dan Pemanfaat Sampah”. Aktivitas kegiatannya meliputi: 1) penyuluhan tentang peran dekomposer dan proses pengomposan; 2) pembelajaran teknis pembuatan dekomposer lokal dan pengomposan sampah organik. Hasil kegiatan tersebut menunjukkan bahwa 1) 60% dari peserta memberikan respon yang positif terhadap materi penyuluhan yang diberikan; 2) peserta menguasai materi penyuluhan dengan baik, sehingga diharapkan dapat memotivasi mereka untuk mengurangi volume sampah dengan program-3R (reduce, reuse, recycle) mulai dari sumbernya; 3) secara umum, peserta dapat membuat dekomposer lokal dan mengaplikasikannya dalam proses pengomposan.Abstract:  Household organic waste produced by the people of Narmada Village has not been managed into a product that has economic value. Organic waste products are simply dumped in open fields, in rivers or burned. Therefore, this service activity aims to enrich the knowledge of target partners, housewives, in order to build their motivation to manage household waste into useful compost. The activity was conducted in Narmada, west lombok regency. The beneficiary partners are housewives from the PaManSam“Pangolah dan Pemanfaat Sampah” group. Activities include: 1) counseling on the role of decomposers in composting 2) the practice of making local decomposers and composting organic waste. This result shows that 1) 60% of the participants gave a positive response to the extension materials provided; 2) 50% of the participants master the extension material well, so it is hoped that it can motivate them to reduce the volume of waste with the 3R program (reduce, reuse, recycle) starting from the source; 3) generally, the participants can make local decomposers and apply it in composting.
Peningkatan Kompetensi Petani Dalam Pengelolaan Hara Pada Pertanaman Jagung Berbasis Pemupukan Berimbang Di Kabupaten Dompu Lolita Endang Susilowati; Bambang Hari Kusumo
Prosiding Konferensi Nasional Pengabdian Kepada Masyarakat dan Corporate Social Responsibility (PKM-CSR) Vol 1 (2018): Prosiding PKM-CSR Konferensi Nasional Pengabdian kepada Masyarakat dan Corporate Socia
Publisher : Asosiasi Sinergi Pengabdi dan Pemberdaya Indonesia (ASPPI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (403.881 KB)

Abstract

Keterbatasan pengetahuan petani tentang pupuk dan pemupukan tanaman telah menyebabkan petani kurang memahami cara-cara pengelolaan hara tanaman yang efisien dan efektif dalam menopang pertumbuhan tanaman. Karenanya, kegiatan pengabdian dengan tema pengelolaan hara tanaman berbasis pemupukan berimbang perlu dilakukan dengan tujuan untuk (1) memperkaya pemahaman dan pengetahuan petani dalam hal pengelolaan hara tanaman jagung berbasis pemupukan berimbang; (2) mendiseminasikan teknologi pemupukan berimbang yang efektif dan efisien. Kegiatan pengabdian ini meliputi penyuluhan dan demfarm pemupukan berimbang di Desa Mumbu Kecamatan Woja Kabupaten Dompu pada musim tanam MK 1. Sebagai mitra kegiatan yaitu Kelompok Tani Bina Baru Desa Mumbu Kecamatan Woja Kabupaten Dompu dan PPL setempat. Pada kegiatan ini, tim pelaksana pengabdian bertindak sebagai fasilitator, PPL setempat bertugas mendampingi kegiatan demfarm yang dilakukan oleh petani. Metode pendekatan yang digunakan adalah pendekatan partisipatif dengan melibatkan mitra mulai dari awal sampai akhir kegiatan dalam mengambil keputusan. Hasil kegiatan pengabdian menunjukkan bahwa (1) petani dapat menjelaskan pengertian pupuk berimbang dan pegelolaan hara tanaman berbasis pemupukan berimbang; (2) petanin dapat menjelaskan keterkaitan mutu pupuk dan penggunaannya dalam pola pemupukan berimbang menurut kaidah pemupukan yang benar. Melalui kegiatan demfarm petani mempraktekan langsung pola pemupukan berimbang sesuai dengan kaidah pemupukan yang benar. Kegiatan demfarm menyadarkan petani bahwa kegiatan pola pemupukan yang tepat memberikan pengaruh terhadap hasil jagung yang lebih baik dibanding dengan pola pemupukan yang selama ini dilakukan oleh petani. Rerata hasil pipilan jagung dengan cara ditugal mencapai sekitar 12 ton per ha, sedangkan dengan cara disebar hanya mencapai sekitar 9 ton per ha.
Dynamic of Change in Soil Physical Properties and SoyBean Growth through The Application of Biochar on Lombok Vertisols Sukartono; Rika Andrianti Sukma Dewi; Arifin Aria Bakti; Bambang Hari Kusumo
Jurnal Biologi Tropis Vol. 23 No. 1 (2023): January - March
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v23i1.4590

Abstract

Vertisol is a type of soil whose mineral fraction is dominated by 2:1 type clay minerals (smectite) which have the property of swelling-shrinking periodically as the soil water content changes. However, these physical properties can be improved by the application of biochar so that it can support plant growth. The aim of this study was to evaluate the effect of biochar on changes in the physical characteristics of vertisols soils and growth performance of soybean plants. This research was conducted in Kawo Village, Pujut District, Central Lombok. This study was designed to test the application of two types of biochar, namely rice husk biochar (BS) and corn cob biochar (BJ) at several doses, namely 0, 15, 30 and 60 g/kg of vertisols soil and design using a randomized block design with 6 replications. The parameters measured were unit weight, soil density, porosity, soil tensile strength, available water capacity, aggregate stability, cole value, crack pattern and soybean growth test. The results showed that the application of biochar could improve the physical properties of vertisol soil and also has implications for improving the growth of soybean plants. Observational data showed that a dose of 60 g/kg of biochar, both rice husk and corn cob biochar, showed better changes in soil physical properties compared to biochar doses of 15 g/kg, 30 g/kg and without the addition of biochar. Besides that, the treatment of rice husk and corn cob biochar at a dose of 60 g/kg gave better vegetative growth of soybean plants.
Co-Authors Arifin Aria Bakti Komang Damar Jaya Lolita Endang Susilowati Rika Andrianti Sukma Dewi Sukartono Zaenal Arifin