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All Journal Jurnal Ilmu Pertanian Agroista: Jurnal Agroteknologi
Sitohang, Ester Juliana
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Analisis Kesesuaian Lahan untuk Tanaman Padi Sawah di Kabupaten Subang Bagian Tengah P., Rahadian Adi; Hasibuan, Nurul Hidayah; Sitohang, Ester Juliana; Hayatuliman, Mualana
AGROISTA : Jurnal Agroteknologi Vol. 8 No. 1 (2024): MEI
Publisher : Program Studi Agroteknologi INSTIPER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55180/agi.v8i1.1200

Abstract

Kenaikan jumlah penduduk berbanding lurus dengan peningkatan kebutuhan akan pangan, khususnya beras. Produksi beras terbesar berasal dari budidaya padi sawah. Usaha yang dapat dilakukan untuk memenuhi kebutuhan beras adalah peningkatan produksi beras. Penelitian ini untuk memastikan ketersediaan lahan sawah yang memadai dan sesuai untuk meningkatkan produksi beras. Penelitian ini bertujuan untuk menganalisis sejauh mana lahan di bagian tengah Kabupaten Subang cocok untuk pertanian padi sawah. Metode yang digunakan adalah metode pencocokan (matching) antara kualitas lahan dengan kriteria kesesuaian lahan untuk tanaman padi sawah. Satuan peta lahan yang digunakan merupakan hasil tumpang tindih antara peta jenis tanah, dan peta kelerengan. Hasil tumpang tindih peta tersebut menghasilkan 17 satuan peta lahan yang menjadi lokasi pengambilan sampel tanah. Kelas kesesuaian lahan aktual untuk budidaya padi sawah berada dalam kategori cukup sesuai (S2rfn), serta sesuai marginal (S3fn, S3rfn, S3rn), dengan berbagai faktor pembatas seperti kondisi media perakaran, retensi hara, dan ketersediaan hara.
Characteristics and classification of the peat at Toba Highland, North Sumatera, Indonesia Sarifuddin, Sarifuddin; Sitohang, Ester Juliana; Mukhlis, Mukhlis
Jurnal Ilmu Pertanian Vol 9, No 1 (2024): April
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.83931

Abstract

Peatland serves as a crucial natural resource with hydrological and other environmental functions essential for all living organisms. In some regions, peat soil isn't limited to lowland areas, it is also found in highland areas. This study is a survey research aiming to examine the characteristics of the highland peatlands of Toba North Sumatera, namely in the Village of Matiti II, Humbang Hasundutan Regency, North Sumatera and lowland peatlands as control of peatlands in general in Sidomulyo Village, Bilah Hilir Subdistrict, Labuhan Batu. The study employed a survey research approach with a descriptive method to determine the differences in the characteristics of highland Toba peat soils. In each area, a representative profile was made, and the soil morphology, characteristics and classification were observed according to the 2014 soil taxonomic classification. Soil samples were taken from each layer in the soil profile for soil analysis in the laboratory. Soil analysis included bulk density, pH H₂O, pH NaF, CEC, base saturation, organic C, total N, C/N, electrical conductivity (EC) and ash content. The results showed that the difference in altitude directly affected the microclimate and the hydrologic conditions, which in turn affected the characteristics of the peat soil. In the context of the Toba highland, the main source of peat soils comes from rainfall. In contrast with the peatland of the lowlands, where the impact of tides is a significant factor, the peat of the Toba highland is affected by the surrounding hills.
Co-Authors Hasibuan, Nurul Hidayah Hayatuliman, Mualana Mukhlis Mukhlis P., Rahadian Adi Sarifuddin Sarifuddin