Land Suitability And Crop Suitability Analysis Using Remote Sensing And Gis Application. A Case Study In Legambo Woreda

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The present study was carried out to evaluate the suitability of the land forrnagri cultural crop prodUction by using Remote Sensing and GIS application Thernevaluation of land in terms of suitability classes was based on the method describedrnin FAO guidel ine for land evaluation. The factors that were considered for evaluationrnof the land suitability for crop production were slope, soil drainage, soil texture , soilrndepth, soil type and the present land use of the study area. Multi-criteria decisionrnevaluation method was used to evaluate the physical land characte ristics of the studyrnarea for crop production. The techniques, which were used to weigh andrnstandardized the factors were pair-wise comparison and weighted linear combination .rnAfter evaluating the physical land suitability for agricultural crop, land suitability maprnwas developed. This map was classified in to five suitabi lity classes based on FAOrnguidelines. From the total land of the study area 100 km2 (9 .2%) was very suitable,rn257 km2 (236%) was-suitable, 293 km2 (269%) was marginally suitable, 390 km2rn(358%) was not suitable and 49 km2 (4 .5%) was permanently unsuitable forrnagriculture. The land in the study area was also evaluated for suitability of wheat andrnmaize production. In addition to the factors mentioned above, temperature andrnrainfall of the study area were used for crop suitability evaluation. Suitability maps forrnboth wheat and maize were developed. The crops suitability maps were classified inrnto five suitability classes. The result shows that 82 km2 (7.5%) was very suitable, 249rnkm2 (23%) was suitable, 483 km2 (444%) was marginally suitable, 240 km2 (22%)rnwas not suitable and 35 km2 (31 %) was permanently unsuitable for wheatrnproduction. Regarding suitability of maize 92 km2 (8.5%) was very suitable, 299 km2rn(274 %) was suitable, 321 km2 (294%) was marginally suitable, 262 km2 (242%)rnwas not suitable and 1-14 km2 (105%) was permanently unsuitable. The evaluation ofrnphysical land qualities of the study area indicates that the study area has a potentialrnfor agricultural crops.rnKeywords Land suitability; Crop suitability; MCDM; Pair-wise comparison

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Land Suitability And Crop Suitability Analysis Using Remote Sensing And Gis Application. A Case Study In Legambo Woreda

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