EVALUASI KESESUAIAN LAHAN TANAMAN JAGUNG PADA LAHAN KERING DI KECAMATAN MALLAWA KABUPATEN MAROS

Syahrir Gunawan, Baktiar Ibrahim, Anwar Robbo

Abstract


The purpose of this study was to determine the actual, potential and limiting factors of land suitability for maize crops in Mallawa District, Maros Regency. The method used in this research is the survey method and determination of land suitability class based on FAO with an approach through land characteristics factors. The results of the evaluation of land suitability for maize crops on dry land in Mallawa Sub-district show that the actual land suitability is marginally suitable (S3) on all land units (1-19). Potential land suitability is moderately suitable (S2) on land units 1, 2, 3, 5, 7, 9, 10, 12, 13, 15, 16 and 18. Meanwhile, land units 4, 6, 8, 11, 14, 17 and 19 are marginally suitable (S3). Limiting factors of actual land suitability are available nutrients (N-total, P2O5, k2O) and rooting media (texture) in all land units, nutrient retention (pH) in land units 8 and 14, the level of erosion hazard (erosion hazard, slope) in land units 13, 14, 15, 16, 17, 18 and 19. In crop cultivation efforts it is necessary to fertilise urea, SP-36 and KCl to get maximum results.


Keywords


Actual suitability; potential suitability; maize, limiting factors

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DOI: https://doi.org/10.33096/agrotekmas.v4i3.398

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AGrotekMAS Jurnal Indonesia: Jurnal Ilmu Pertanian
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