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All Journal Agrivet Jurnal Tanah dan Air Jurnal Tanah dan Air (Soil and Water Journal) Dharma: Jurnal Pengabdian Masyarakat Journal of Sustainability, Society, and Eco-Welfare
Arbiwati, Dyah
Fakultas Pertanian Universitas Pembangunan Nasional “Veteran” Yogyakarta
Agriculture, Biological Sciences & Forestry Chemistry Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Environmental Science Physics Social Sciences

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PENGARUH PUPUK URIN DOMBA DAN BIOCHAR TEMPURUNG KELAPA TERHADAP SERAPAN N DAN P TANAMAN PAKCOY DI LAHAN PASIR PANTAI SAMAS Darmestawan, Muhammad Shaffanafi; Herlambang, Susila; Arbiwati, Dyah
Jurnal Ilmu Tanah dan Air Vol 19 No 2 (2022)
Publisher : Universitas Pembangunan Nasional Veteran Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jta.v19i2.9468

Abstract

Potensi tanah marginal dan tanah yang didominasi fraksi pasir menyimpan hara tanah relatip rendah karena fraksi pasir berpotensi mempunyai pelindian tinggi. Kombinasi pemberian bahan dari luar (ameliorance) biochar tempurung kelapa dan pupuk urin domba merupakan salah satu alternatif dalam mempertahankan ketersediaan hara pada tanah pasiran. Tujuan penelitian untuk mengetahui pengaruh biochar tempurung kelapa dan pupuk urin domba terhadap serapan hara N dan P bagi tanaman Pakcoy di tanah pasir Pantai Samas. Penelitian dilakukan di rumah kaca Fakultas Pertanian Universitas Pembangunan Nasional “Veteran” Yogyakarta dan dilakukan analisis di labolatorium Program Studi Ilmu Tanah Fakultas Pertanian Universitas Pembangunan Nasional “Veteran” Yogyakarta pada bulan Juni 2021 sampai Januari 2022. Percobaan menggunakan Rancangan Acak Lengkap (RAL) dua faktor. Faktor pertama adalah dosis biochar tempurung kelapa terdiri dari B0: 0 ton/ha, B1: 10 ton/ha, B2: 15 ton/ha, dan B3: 20 ton/ha. Faktor kedua adalah dosis pupuk urin domba terdiri dari U0: 0 ml/l air setara 0 lt/ha, U1: 100 ml/l air setara 125 lt/ha, dan U2 : 200 ml/l air setara  250 lt/ha. Parameter penelitian adalah pH, N-Tersedia, P-tersedia, serapan hara N bagian atas, serapan hara N akar dan serapan hara P bagian atas. Hasil penelitian dianalisis dengan Analysis of Varians (ANOVA), dilanjutkan dengan DMRT 5%. Hasil penelitian menunjukkan pupuk urin domba 100 ml/l air berpengaruh nyata meningkatkan serapan hara N bagian atas dari 2,15 mg/tanaman menjadi 3,37 mg/tanaman, serapan hara N akar dari 1,16 mg/tanaman menjadi 1,84 mg/tanaman, serapan hara P bagian atas dari 1,03 mg/tanaman menjadi 1,43 mg/tanaman, dan serapan hara P akar dari 0,1 mg/tanaman menjadi 0,19 mg/tanaman. Biochar tempurung kelapa 20 ton/ha berpengaruh nyata meningkatkan serapan hara N bagian atas dari 1.93 mg/tanaman menjadi 3,93 mg/tanaman dan serapan hara N akar dari 1,25 mg/tanaman menjadi 2,16 mg/tanaman.
Aggregate Stability under Different Land Uses in Muntuk Village, Dlingo Subdistrict, Bantul Regency: Stabilitas Agregat pada Berbagai Penggunaan Lahan di Desa Muntuk, Kecamatan Dlingo, Kabupaten Bantul Inayah, Heni; Arbiwati, Dyah
Jurnal Ilmu Tanah dan Air Vol 22 No 2 (2025): December 2025
Publisher : Universitas Pembangunan Nasional Veteran Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jta.v22i2.15560

Abstract

Stable soil aggregates improve soil structure and create a suitable medium for plant growth. Meanwhile. unstable aggregates break down easily under rainfall and accelerate erosion. This study aims to determine soil aggregate stability and the factors that control it under different land uses. The research used a survey approach. A land system map was produced by overlaying land use, slope, and soil type, resulting in 40 land system units. Sampling points were selected purposively based on land system units, accessibility, and land area. A total of 21 samples were collected. Aggregate stability was measured using wet and dry sieving. Observed parameters included field soil structure, texture, organic carbon, equivalent lime, specific gravity, bulk density, and clay content. Pearson correlation was used to identify the relationship between each parameter and aggregate stability. The results showed that aggregate stability ranged from 29.51-61.67 (unstable-slightly stable) in forest land, 52.02-84.90 (slightly stable-very stable) in mixed gardens, 34.22-64.25 (unstable-slightly stable) in rainfed rice fields, and 22.67-60.29 (unstable-slightly stable) in drylands. Soil organic matter and the dispersion ratio (DR) were the main factors influencing aggregate stability in Muntuk Village. Improving stability requires soil and water conservation practices that protect aggregates from breakdown by water or external disturbance. Agricultural land generally had lower stability, so proper management is needed. Recommended practices include returning crop residues, applying organic amendments, adopting minimum tillage, and implementing suitable cropping patterns.
Aggregate Stability under Different Land Uses in Muntuk Village, Dlingo Subdistrict, Bantul Regency: Stabilitas Agregat pada Berbagai Penggunaan Lahan di Desa Muntuk, Kecamatan Dlingo, Kabupaten Bantul Inayah, Heni; Arbiwati, Dyah
Jurnal Ilmu Tanah dan Air Vol 22 No 2 (2025): December 2025
Publisher : Universitas Pembangunan Nasional Veteran Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jta.v22i2.15560

Abstract

Stable soil aggregates improve soil structure and create a suitable medium for plant growth. Meanwhile. unstable aggregates break down easily under rainfall and accelerate erosion. This study aims to determine soil aggregate stability and the factors that control it under different land uses. The research used a survey approach. A land system map was produced by overlaying land use, slope, and soil type, resulting in 40 land system units. Sampling points were selected purposively based on land system units, accessibility, and land area. A total of 21 samples were collected. Aggregate stability was measured using wet and dry sieving. Observed parameters included field soil structure, texture, organic carbon, equivalent lime, specific gravity, bulk density, and clay content. Pearson correlation was used to identify the relationship between each parameter and aggregate stability. The results showed that aggregate stability ranged from 29.51-61.67 (unstable-slightly stable) in forest land, 52.02-84.90 (slightly stable-very stable) in mixed gardens, 34.22-64.25 (unstable-slightly stable) in rainfed rice fields, and 22.67-60.29 (unstable-slightly stable) in drylands. Soil organic matter and the dispersion ratio (DR) were the main factors influencing aggregate stability in Muntuk Village. Improving stability requires soil and water conservation practices that protect aggregates from breakdown by water or external disturbance. Agricultural land generally had lower stability, so proper management is needed. Recommended practices include returning crop residues, applying organic amendments, adopting minimum tillage, and implementing suitable cropping patterns.
Co-Authors Adityarizqy Putradinantyo Ali Hasyim Al rosyid, Ali Hasyim Andarini S., Raras Nidya Andi Suseno AZ Purwono Budi Santosa AZ, Abdul Rizal AZ. Purwono Budi Santoso Darmestawan, Muhammad Shaffanafi Djoko Mulyanto Dwi Kurnia Sandi Inayah, Heni Indah Kartika Sandhi Lanjar Sudarto M. Nurcholis, M. Maswar Maswar Mohammad Nurcholis, Mohammad Muhammad Kundarto NASIR, MUHAMMAD NURHALIK Oktavia Sarhesti Padmini Rachmad Fajar Wibisono Rahma Dania Ayushinta Raina Nur Malinda Rukmowati Brotodjojo*, Rukmowati Sugiman Setyo Wardoyo Susila Herlambang Tri Sulistyo, Aprilian