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Journal of Soil Sciences and Agricultural Engineering
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Hegazi, I. (2016). Contribuations of Remote Sencing and Giographic Information Systems in Sustainable Agricultural Development a. Developing Soil Fertility Maps of Farafra Oasis Using Remote Sensing and GIS Techniquesto Manipulate and Produce Fertility Maps. Journal of Soil Sciences and Agricultural Engineering, 7(12), 913-919. doi: 10.21608/jssae.2016.40535
I. Hegazi. "Contribuations of Remote Sencing and Giographic Information Systems in Sustainable Agricultural Development a. Developing Soil Fertility Maps of Farafra Oasis Using Remote Sensing and GIS Techniquesto Manipulate and Produce Fertility Maps". Journal of Soil Sciences and Agricultural Engineering, 7, 12, 2016, 913-919. doi: 10.21608/jssae.2016.40535
Hegazi, I. (2016). 'Contribuations of Remote Sencing and Giographic Information Systems in Sustainable Agricultural Development a. Developing Soil Fertility Maps of Farafra Oasis Using Remote Sensing and GIS Techniquesto Manipulate and Produce Fertility Maps', Journal of Soil Sciences and Agricultural Engineering, 7(12), pp. 913-919. doi: 10.21608/jssae.2016.40535
Hegazi, I. Contribuations of Remote Sencing and Giographic Information Systems in Sustainable Agricultural Development a. Developing Soil Fertility Maps of Farafra Oasis Using Remote Sensing and GIS Techniquesto Manipulate and Produce Fertility Maps. Journal of Soil Sciences and Agricultural Engineering, 2016; 7(12): 913-919. doi: 10.21608/jssae.2016.40535

Contribuations of Remote Sencing and Giographic Information Systems in Sustainable Agricultural Development a. Developing Soil Fertility Maps of Farafra Oasis Using Remote Sensing and GIS Techniquesto Manipulate and Produce Fertility Maps

Article 5, Volume 7, Issue 12, December 2016, Page 913-919  XML PDF (782.01 K)
Document Type: Original Article
DOI: 10.21608/jssae.2016.40535
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Author
I. Hegazi
Soils, Water and Environment Res. Institute, Agric. Res.Center, Giza, Egypt.
Abstract
Geographic Information Systems (GIS) constitutes an efficient and versatile tool to manipulate and produce-fertility maps. Status of some soil fertility indicators are importance for sustainable agricultural development. Some macro and micronutrients, salinity and soil organic matter are studied. Soil fertility variables in the study area were assessed using GIS techniques. WhereasArc View GIS system is used to perform the soil fertility maps. One hundred and sixsurface layers samples representative (0-30 cm) in area of Farafra Oasis areinvestigatedto producesoil maps of elements of fertility status. The obtained results from data and fertility maps could be summarized as follows: - Electrical conductivity Percentages were 17.5, 53.8, 19.9 and 8.8 % represented low, medium, high and very high amounts respectively, electrical conductivity values ranged from 1.3 to 89.4 dSm-1.-  All the studied surface layers are considered low level for organic matter content, Pand Zn.- Total inorganic nitrogen (TIN) were 75 and 25 % represented low and medium classes respectively, and values ranged from 9 to 375µg g-1.- Levels of K were 60 and40 %, represented low and medium classesrespectively.- Available B content in the studied soil profiles range from 0.5 to 22.5µg g-1with an average 3.1-µg g-1.- Available Fe percentages were 3.7, 62.6 and 33.7% represented low, marginal and sufficient values, respectively.-  About 100 % of Zn total area represent 3493.2faddan is considered high level. - The critical values of the surface layers reached to 25 % Cu. - The statistical analysis of the simple correlation coefficients between macro-micronutrients and some propertied of soils.
Keywords
Soil fertility; GIS; micronutrients and Farafra Oasis
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