Sustainable dryland management strategy in Buleleng Regency of Bali, Indonesia

Sumarniasih, Made Sri; Antara, Made

doi:10.5897/joda2020.0064

Cited by 6 publications

(5 citation statements)

References 5 publications

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“…Sistem pengelolaan yang kurang tepat menyebabkan menurunnya produktivitas lahan sehingga produksi tanaman tidak optimal, ini menunjukkan tanah tidak berfungsi sebagaimana mestinya. Tanah yang tidak berfungsi dengan baik menyebabkan terjadinya penurunan kualitas tanah (Arthagama & Dana, 2020) dan kesuburan tanah (Sumarniasih & Antara, 2021). Upaya yang dapat dilakukan adalah dengan mengelola tanah berdasarkan parameter kualitas tanah yang sesuai dengan kebutuhan tanaman.…”

Section: Pendahuluanunclassified

Analisis Kualitas Tanah dan Arahan Pengelolaan pada Lahan di DAS UNDA Provinsi Bali, Indonesia

Febriana,

Trigunasih,

Sumarniasih

2024

Agro. Bali. Agric. J.

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Produktivitas lahan di Daerah Aliran Sungai (DAS) Unda terjadi penurunan akibat jenis tanah Regosol yang sangat rentan pada erosi; serta 45,64% bentuk permukaannya tergolong bergelombang, berbukit sampai bergunung, dan berkembangnya tempat galian C secara ilegal di beberapa tempat. Data kualitas tanah yang diperoleh dapat dimanfaatkan sebagai acuan untuk pengelolaan tanah yang dapat meningkatkan kualitas tanah untuk meningkatkan produktivitas lahan di DAS Unda. Tujuan penelitian untuk mengetahui kualitas tanah pada lahan di DAS Unda; untuk mengetahui faktor apa saja yang menjadi faktor pembatas pada kualitas tanah di DAS Unda; untuk mengetahui sebaran spasial kualitas tanah di DAS Unda; memberikan arahan pengelolaan tanah berdasarkan faktor pembatas yang diperoleh di DAS Unda. Penelitian dilaksanakan di lahan DAS Unda yang melalui Kabupaten Bangli, Karangasem dan Klungkung, Provinsi Bali. dan di Laboratorium Ilmu Tanah, Fakultas Pertanian, Universitas Udayana. Penelitian ini menggunakan metode survei, analisis tanah di laboratorium, dan penetapan kualitas tanah. Indikator kualitas tanah yang diukur sebagai minimum data set (MDS): berat volume tanah, tekstur tanah, porositas, kadar air kapasitas lapang, pH, C-organik, KTK, KB, unsur hara (N, P dan K), dan C-biomassa. Hasil penelitian menunjukkan kualitas tanah pada lokasi penelitian tergolong buruk tingginya tingkat erosi tanah dan kurangnya kandungan bahan organik pada tanah pada SLH 2, 5, 7, 15, 16 dan 17. Pada SLH 3, 4, 6, 8, 9, 10, 11, 12, 13, 18, 19, 20, 21, 22, 23, 26, 27 dan 28 menunjukkan kualitas tanah sedang diakibatkan berbagai faktor seperti kelembaban tanah yang tinggi, kandungan bahan organik yang rendah, kandungan bahan hara yang tidak seimbang, kondisi morfologi tanah yang kurang ideal, dan penggunaan pupuk yang kurang tepat, pH rendah dan kepadatan tanah. Berbeda dengan SLH 1 (Desa Pempatan), 14 (Desa Menanga), 24 (Desa Gunaksa) dan 25 (Desa Telaga Tawang) dengan nilai IKT 25 tergolong kualitas baik. Faktor-faktor pembatas di daerah penelitian meliputi: pH tanah, tekstur tanah, porositas, P-tersedia, N-total, C-organik dan C-Biomassa. Direkomendasikan pengolahan tanah dengan menggunakan pemupukan dengan pupuk organik dan Urea pada SLH 1, 4, 8, 9, 10, 11, 13, 14, 16, 18, 20, 22, 23, 26, dan 27. Pemupukan SP-36/TSP dianjurkan pada SLH 12, 24, 25, dan 28.

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Section: Pendahuluanunclassified

Analisis Kualitas Tanah dan Arahan Pengelolaan pada Lahan di DAS UNDA Provinsi Bali, Indonesia

Febriana,

Trigunasih,

Sumarniasih

2024

Agro. Bali. Agric. J.

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“…The case study is dominated by the use of forest land associated with dry land agriculture [27]. The most commonly found agricultural commodities in the field are horticultural crops such as mustard greens, carrots, chili peppers [28], flowering plants such as chrysanthemums [29] and other seasonal crops.…”

Section: Research Area and Field Samplementioning

confidence: 99%

Hydrological Approach for Flood Overflow Estimation in Buleleng Watershed, Bali

Suyarto,

Wiyanti,

Saifulloh

et al. 2023

IJSSE

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The Hydrology of a watershed, encapsulated within the biogeophysical characteristics of upstream, midstream, and downstream regions, governs the peak discharge. Notable flooding issues have been observed in the downstream region of the Buleleng Watershed, largely attributed to land use transitions from vegetative to built-up areas. This study seeks to delineate the flood overflow zone within the Buleleng River Basin, influenced by factors such as rainfall, land use, and soil texture. Data employed in this study encompass land use maps, an 8-meter resolution Digital Elevation Model, annual rainfall records, soil texture information, and river network maps. The adopted methodology involved field survey data collection, satellite image analysis, and hydrological approach computations. Peak discharge values for the Buleleng Watershed, derived for periods of 5, 10, 25, and 5-100 years, were determined to be 426334. 44, 568445.88, 603035.31, and 617379 m 3 /s respectively, set against a river capacity of 312748.13 m 3 /s. Given the substantial overflow discharge from the Buleleng River, the watershed is susceptible to flooding. The study findings indicate a progressive annual increase in flood overflow predictions, necessitating targeted interventions such as drainage management, surface runoff control, and a review of spatial permits for settlement usage, particularly within watershed conservation areas.

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“…For example, the application of vegetative SWC on mined post-pumice [182] and degraded land of the dryland [183,184]. In addition, research on soil conservation and water management has been performed by developing water harvesting techniques, including rainwater reservoirs [176,[185][186][187][188], and various irrigation techniques, such as drip irrigation [189,190].…”

Section: State Of Thementioning

confidence: 99%

Forty Years of Soil and Water Conservation Policy, Implementation, Research and Development in Indonesia: A Review

Nugroho¹,

Basuki²,

Pramono³

et al. 2022

Sustainability

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Dominated by mountainous topography, high rainfall, and erosion-sensitive soil types, and with the majority of its population living in rural areas as farmers, most of Indonesia’s watersheds are highly vulnerable to erosion. In 1984, the Government of Indonesia established 22 priority watersheds to be handled, which marked the start of formal soil and water conservation activities. Although it has not fully succeeded in improving watershed conditions from all aspects, something which is indicated by fluctuations in the area of degraded land, over the past 40 years the Indonesian government has systematically implemented various soil and water conservation techniques in various areas with the support of policies, laws and regulations, and research and development. These systematic efforts have shown positive results, with a 40% reduction in the area of degraded land over the last 15 years from 2004–2018. This paper reviews policy, implementation, and research and development of soil and water conservation activities in Indonesia over the last 40 years from the 1980s to 2020 and explores the dynamics of the activities.

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Sustainable dryland management strategy in Buleleng Regency of Bali, Indonesia

Cited by 6 publications

References 5 publications

Analisis Kualitas Tanah dan Arahan Pengelolaan pada Lahan di DAS UNDA Provinsi Bali, Indonesia

Analisis Kualitas Tanah dan Arahan Pengelolaan pada Lahan di DAS UNDA Provinsi Bali, Indonesia

Hydrological Approach for Flood Overflow Estimation in Buleleng Watershed, Bali

Forty Years of Soil and Water Conservation Policy, Implementation, Research and Development in Indonesia: A Review

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