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PERAKITAN PUPUK ALAM BERBASIS SUMBERDAYA LOKAL UNTUK MENINGKATKAN EFISIENSI PEMUPUKAN P DAN K SERTA HASIL KEDELAI DI TANAH MASAM Tufaila, Muh.; Alam, Syamsu
Jurnal Agroteknos Vol 3, No 3 (2013)
Publisher : Jurnal Agroteknos

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The research aimed to formulate a natural fertilizer based on local resources to improve the efficiency of fertilizer P and K and yield of soybean in acid soils of Southeast Sulawesi. The research involved natural fertilizer formulations with mica schist rock materials, harzburgite, and rock phosphate, and further testing of fertilizers. Laboratory fertilizer testing was performed by experimental methods to determine the slow release properties and the amelioration capabilities of fertilizer. Fertilizer treatments were fertilizer of mica schist and rock phosphate without coating harzburgite (L0), semifagit fertilizer with coatings harzburgite 1 time (L1), semifagit fertilizer with coatings harzburgite 2 times (L2), and semifagit fertilizer with coatings harzburgite 3 times (L3). Further testing was fertilizers test on acid soils, soybean yield and fertilizer efficiency with experimental methods. The treatments were fertilizer factors consisting of two levels: fertilizer of mica schist and rock phosphate without harsburgit coatings and semifagit coated fertilizers best harzburgite on experiments in the laboratory, and fertilizer factor of five levels: 0%, 40%, 60%, 80%, 100% P2O5 kg.ha-1 of the recommended dosage (100 kg.ha-1). The research concluded that the natural fertilizer was slow release, use of harsburgit as the outer layer of fertilizer increased fertility of acid soils, fertilizers of mica schist and rock phosphate with coatings harsburgit 3 time (L3) was the best to amelioration of acid soil, the higher dose of fertilizer was followed by the higher the pH, total N, available P, exchangeable K, Mg, and CEC and the lower content of Al-dd soil; the use of semifagit fertilizer dose of 80% of the recommendated dose (100 kg P2O5.ha-1) gave a better effect on plant height, wet weight, dry weight, number of pods, weight of 10 seeds and soybean yield per hectare (2.74 ton.ha-1). The higher the dose of fertilizer was followed by the higher uptake of P and K, and the highest efficiency of fertilizer P and K was at 19.32% and 15.26% for fertilizer using semifagit with a dose of 80% of the recommended dose (100 kg P2O5.ha-1).

PEMETAAN POTENSI DEPOSIT ORGANIK DAN BATUAN SEBAGAI BAHAN BAKU PUPUK ALAM DI KABUPATEN KONAWE Tufaila, Muh.; Alam, Syamsu
Jurnal Agroteknos Vol 3, No 2 (2013)
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The research aimed to get nutrients or materials contained in each type of organic deposits and rocks; obtain the type, location and size distribution, and the reserves of organic deposits and rocks that can be used as raw materials for natural fertilizer in to Konawe, and get a map of potential raw materials for natural fertilizer in Konawe. The method used was a survey method followed by chemical analysis of organic deposits and rocks in the laboratory. Data were analysed descriptively. The research results showed that the organic deposits in Konawe were peat and guano deposits. Peat deposits can be used as a source of organic matter while guano deposits as P fertilizer. Peat deposits were located in Lambuya District as many as 2,160,972 tons, while guano deposits were located in Soropia District, Amonggedo, and North Wawonii with the number of deposit of 1,213.16 tons. Rock deposits in Konawe which can be used as raw material for natural fertilizer ultramafic rocks, mica schists and limestones. Ultramafic rocks can be used as Mg fertilizer, mica schist rocks as K fertilizers, and limestones as lime or Ca fertilizer. Deposit ultramafic rocks located in Districts Routa, Lambuya, Pondidaha, West Wawonii, East Wawonii, Middle Wawonii, Southeast Wawonii, North Wawonii, South Wawonii and Northeast Wawonii with the number of deposit of 326.05 million tons. Mica schist rock deposits with located in Districts Routa, Latoma, Asinua, Abuki, Tongauna, Uepai, and Onembute with the number of deposit of 164.16 million tons. Limestone deposit was located in the Districts Routa, Soropia, East Wawonii, Northeast Wawonii and North Wawonii, with the deposit amount 333.04 million tons. Keywords: mapping, natural fertilizer raw materials, organic deposits and rocks

ANALISIS SPASIAL TINGKAT BAHAYA EROSI DI DAERAH ALIRAN SUNGAI (DAS) MORAMO DENGAN MENGGUNAKAN SISTEM INFORMASI GEOGRAFIS (SIG) Tufaila, Muh.; Karim, Jufri; Alam, Syamsu
Jurnal Agroteknos Vol 2, No 3 (2012)
Publisher : Jurnal Agroteknos

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Spatial analysis on erosion potential is required to create an integrated management of watersheds, thoroughly and, environmentally sustainable, where the watershed as a management unit. The research was conducted in the watershed area Moramo South Konawe. This research was conducted through an overlay approach using geographic information system (GIS) map of Thiessen polygons, slope maps, soil maps and land use maps. The study obtained five classes of erosion potential, namely very light (2685.60 ha or 21.27 %); light (2359.08 ha or 18.68 %); medium (903.70 ha or 7.16%); heavy ( 381.63 hectares or 3.02% ) ; and very heavy 6297.94 hectares or 49.87 %). Dominant erosion hazard level in the basin Moramo was in the District Moramo, approximately 3496.75 hectares or 27.69 % of the total area of the watershed Moramo and had been used for agricultural land for approximately 3992.48 hectares or 31.62 %. Keywords : Erosion, GIS, Moramo, Watershead Management,

PEMANFAATAN PENGINDERAAN JAUH DAN SISTEM INFORMASI GEOGRAFIS UNTUK PEMETAAN BENTUK LAHAN DI DAS MORAMO Tufaila, Muh.; Karim, Jufri; Alam, Syamsu
Jurnal Agroteknos Vol 2, No 1 (2012)
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Research on utilization of remote sensing and geographic information system for mapping landforms in the watershed (DAS) Moramo . The research was conducted on Moramo basin, District of Moramo South Konawe . This research was conducted with image processing techniques on the image of ALOS AVNIR-2 and visual interpretation was based on analytic approach with the help of Geographic Information Systems for on screen digitizing . The research result obtained 15 (fifteen ) units of landforms, namely: Alluvial plain (F1), Alluvial Plain-Koluvial (F1.1), Flood Plain (F7), Alluvial Plain Briny Beach ( M11), Structural Terdenudasi Eroded hills Strong (D1/4), Structural Terdenudasi Eroded Hills Moderate (D1/3), Eroded Hills Terdenudasi Structural Lightweight (D1/2) , Eroded Hills Isolated Strong (D4/4), Barely Plain (peneplain) Eroded Very Lightweight (D5/1), Slope Leg Eroded hills Structural Terdenudasi Strong (D7/4), Slope Foot hills Eroded Structural Terdenudasi Medium (D7/3), Slope Foot hills Terdenudasi Eroded Structural Lightweight (D7/2), Piedmont Eroded Lightweight (D9/2), Piedmont Eroded Very Light (D9/1) and the hills Dome (Dome) Eroded Strong (S11/4). Based on their genesis, they were grouped into four landforms : marine origin, the origin of fluvial landforms, landforms denudasional origin, and the origin of structural landforms. Accuracy of landform interpretation was 89,06 % and processing of the composite image 341 had an excellent capability to identify the location of landforms in the study area of watershed Moramo. Keyword : remote sensing, GIS, watershed, image processing, landform mapping

EVALUASI CITRA ALOS AVNIR-2 PADA PEMETAAN TANAH DI WILAYAH DAERAH ALIRAN SUNGAI (DAS) MORAMO Tufaila, Muh.; Karim, Jufri
Jurnal Agroteknos Vol 2, No 2 (2012)
Publisher : Jurnal Agroteknos

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The confident level on the analysis and evaluation results is highly dependent on the accuracy of data interpretation. This study aimed to evaluate the capability and accuracy level of image interpretation ALOS AVNIR-2 in the mapping of land in the Watershed Moramo, Moramo District, South Konawe. The research was conducted on the interpretation results of land unit element of the pre-processing to image processing. Interpretation of land units performed by the analytical approach of landform, lithology, slope, and land use through the introduction of the basic elements of visual images by means of on-screen digitizing. The result showed that the image of ALOS AVNIR-2 composite image processing through 341, sharpening the contrast and spatial filtering can provide information in identifying land units in soil mapping with very clear to clear. Accuracy of 89.06 % landform unit; lithology of 92.19 %; and land use mapping by 90.63 % and 90.00 % of the land, or an average accuracy of interpretation of land units in providing information for mapping land located in either category (>85 %). Keywords : ALOS AVNIR-2 imagery, image processing and interpretation, watershed, land evaluation unit, the mapping

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