Abstract
The aim of the study was to determine the level of suitability of wetland rice fields in the area before flash floods and post flash floods Lawe Tua Makmur Village, Lawe Alas Subdistrict, Southeast Aceh Regency and soil analysis at the Research and Development Laboratory of PT. Nusa Pusaka Kencana Analytical & Qc. Laboratory Bahilang Tebing Tinggi Medan in April 2016 and December 2017. It is carried out by a survey method that refers to the extent of the limiting factor of land characteristics. Data from observations in the field and data from laboratory analysis were matched to the criteria for the suitability of wetland rice classes. The results showed that the actual land suitability class for paddy rice in the area prior to banjir bandang was according to marginal / S3 (r, f) and the potential land suitability class was marginal / S3 (r). Actual land suitability class for wetland crops in the post-banjir bandang area according to marginal / S3 (r, f, n) and potential land suitability classes according to marginal / S3 (r). The limiting factor is the permanent texture of the soil so that it cannot be repaired and the limiting factors of CEC, organic C and N-total can still be improved by adding organic matter and fertilizing with nitrogen.
Highlights
The aim of the study was to determine the level of suitability of wetland rice fields in the area before flash floods and post flash floods Lawe Tua Makmur Village, Lawe Alas Subdistrict, Southeast Aceh Regency and soil analysis at the Research and Development Laboratory of PT
Data from observations in the field and data from laboratory analysis were matched to the criteria for the suitability of wetland rice classes
The results showed that the actual land suitability class for paddy rice in the area prior to banjir bandang was according to marginal / S3 (r, f) and the potential land suitability class was marginal / S3 (r)
Summary
Nani Kitti Sihaloho1) Desi Sri Pasca Sari Sembiring 2) 1) Program studi Agroteknologi Universitas Quality Berastagi 2)Program studi Agroteknologi Universitas Gunung Leuser. Penelitian bertujuan untuk menentukan tingkat kelas kesesuaian lahan tanaman padi sawah pada daerah sebelum terjadi banjir bandang dan pasca banjir bandang Desa Lawe Tua Makmur Kecamatan Lawe Alas Kabupaten Aceh Tenggara dan analisis tanah di Laboratorium Research and Development PT. Data hasil pengamatan dilapangan dan data hasil analisis laboratorium dicocokkan (matching) dengan kriteria kelas kesesuaian lahan padi sawah. Hasil penelitian menunjukkan bahwa kelas kesesuaian lahan aktual untuk tanaman padi sawah pada daerah sebelum banjir bandang sesuai marginal / S3 (r,f) dan kelas kesesuaian lahan potensialnya sesuai marginal / S3 (r). Kelas kesesuaian lahan aktual untuk tanaman padi sawah pada daerah pasca banjir bandang sesuai marginal / S3 (r,f,n) dan kelas kesesuaian lahan potensialnya sesuai marginal / S3 (r). Kata kunci : sebelum banjir bandang, pasca banjir bandang, lahan sawah, padi sawah, evaluasi kesesuaian lahan
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