Notice of RetractionInvestigation of land talent in west of Borujerd region based on physiographic properties

Notice of Retraction

After careful and considered review of the content of this paper by a duly constituted expert committee, this paper has been found to be in violation of IEEE´s Publication Principles.

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Fundamental of all plans of agriculture, forestry, range management and watershed management and aquifer and so on is physiographic study and determination of land talent. Cause of land use diversity in the region and soil erosion and degradation need to this study and be important. This study was conducted by satellite photos and topographical maps with 1:50000 scale. After load maps by GIS software, was determined physiographic units and harmonious. Then analyzed information and reached to hypsometry, aspect, slope and finally land talent maps based on physiographic properties. For determine of region climate used information and statistical data form Borujerd synoptic station. Result showed that climate of region is semi cold moisture until semi cold dry based on Amberge method and by using Climategram. Results of field and combination of maps showed that there is many land uses in region, those are not conform by physiographical study especially with slope. Thus one of the important factors to soil erosion and nature resources degradations inadaptable using based on suitable slope category. This region elevation is more than 1700 meter and there is no many different height between plain and sloppy region in which good soil and potential for growth plants. With delete of stone land and difficult to pass this different height will receive to none and there is monotones relatively climate in region. According to this factor, height not affect on land talent ability. None most different in soil depth in north, we- t, east and south aspects also monotones climate caused that not affect of aspect on land use ability in region. According to degradation intensity of natural resources and soil erosion in region, must be attention to percent of slope because of most important factor to determination of land talent. According to maps slope class, must allocate land with 0-12% to irrigated and dry farming, land with 12-14% to range management and gardening under counter and- land with more 40% to plant a tree and semi tree and to conservation region.