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Journal : Jurnal Agroteknos

KLASIFIKASI KESESUAIAN LAHAN KAKAO MENGGUNAKAN FAKTOR PEMBATAS MAKSIMUM DI KABUPATEN KOLAKA Syaf, Hasbullah; Arifin, Mahfud; Suriadikusumah, Abraham; Harryanto, Rachmat
Jurnal Agroteknos Vol 1, No 3 (2011)
Publisher : Jurnal Agroteknos

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ABSTRACT The current implementation of land suitability classification of Cocoa is based on the national standard of growing plant. Therefore the implementation of the land use at the specific location was not acceptable. It is important to evaluate the land suitability  of  the  cocoa  growing  areas.  This  study  was  conducted  at  Kolaka  Regency Southeast Sulawesi Province. This research was performed using a survey method based on the observation unit. Which is consist of 93 observation units.   The climate, soil and environment observations were following the Soil and Agroclimate Research Centre ( PPTA, 1993); Department of Agriculture (DEPTAN, 1993 dan 2003) and the Indonesian Coffee and Cocoa  Research  Centre  (PPKKI,  2008).  The  analysis  of  land  suitability  is  base  on  the threshold factor using the mínimum. The results showed that the land suitability of the cocoa growing areas according to  PPTA dan DEPTAN (1993) were classification full into 76.34% marginal suitable (S3), 12.90% currently not suitable (N1) and 10,75% was permanently not suitable (N2). On the other had based on the DEPTAN (2003) the cocoa growing areas were 83.87% S3 and 16.13% not suitable (N). While according to the PPKKI  (2008) the S3 was 63.44% and the N was 36.56%. Key word: land suitability classification and cocoa
EVALUASI KESESUAIAN LAHAN UNTUK TANAMAN KELENGKENG (Euphoria longan L.) DI KECAMATAN LASALIMU KABUPATEN BUTON NURFAUZI, FIRDA; ZULFIKAR, ZULFIKAR; HEMON, M. TUFAILA; SYAF, HASBULLAH; NAMRIAH, NAMRIAH; ALAM, SYAMSU
Jurnal Agroteknos Vol 12, No 2 (2022)
Publisher : Jurnal Agroteknos

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This study aims to determine the land suitability class and efforts to manage the limiting factors that exist on land in Lasalimu District, Buton Regency. The method used is an independent survey by taking soil samples in each land unit (LU) for analysis in the laboratory. The results showed that the longan plant was quite suitable (S2) to be developed at LU 25 and 27 with a land area of 65.69 ha (0.95%), marginally suitable (S3) at LU 1-3, 5, 8-14, and LU 23 with a land area is 1,828.10 ha (26.50%), and is not suitable (N) at LU 4, 6, 7, 15- 22, 24, and LU 26 with a land area of 5,004.71 (72.55%). Potentially if efforts are made to manage the limiting factors for the development of longan plants, the suitability class becomes quite suitable (S2) at LU 3, 5, 8-14, 23, 25 and LU 27 with a land area of 1,207.54 (17.49%), marginally suitable (S3) on LU 1, 2, 4, 15, 17, 19- 22, 24 and LU 26 with a land area of 4,787.76 (69.29%) and not suitable (N) on LU 6, 7, 16, and LU 18. Management actions that need to be taken for limiting factors of nutrient availability are fertilization, nutrient retention by liming and adding organic matter, erosion hazard with conservation efforts such as planting according to contours, making terraces and planting cover crops, while for limiting factors such as air temperature, soil depth, slope, surface rocks and rock outcrops cannot be repaired because the limiting factor is permanent
KARAKTERISTIK MORFOLOGI TANAH PADA SENTRA JAMBU METE DI KECAMATAN MAWASANGKA KABUPATEN BUTON TENGAH IMBU, KAIMUDDIN; SYAF, HASBULLAH; ALAM, SYAMSU; HEMON, M TUFAILA; ZULFIKAR, ZULFIKAR; RUSTAM, LA ODE; HAKIM, DANI LUKMAN
Jurnal Agroteknos Vol 14, No 1 (2024)
Publisher : Jurnal Agroteknos

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Morphological characteristics of the soil contribute to the development of agricultural commodities. This study aims to identify the morphological characteristics of soil in cashew land use in Banga Village, Mawasangka District, Central Buton Regency. This research was conducted by survey method and field analysis on cashew land use. morphological observations were made on five soil profiles of cashew land use. The results of the study showed that the characteristics of soil morphology in the cashew center in Mawasangka District generally have a few percentage of rock outcrops and surface rocks (120 cm); reddish brown and dark brown soil color; clay and clay loam texture; medium and fine granular structure with a weak degree of development; soil consistency in dry conditions is soft, moist conditions are very loose, and wet conditions with slightly sticky adhesion and plasticity are plastic. Such soil characteristic conditions affect the stem circumference and height of cashew plants. Based on the results of the study, it is suggested that there needs to be a direction for cashew commodity management in the form of pruning, thinning, or replacing new plants accompanied by fertilization based on the morphological characteristics of the soil formed to obtain optimal productivity