Preparation of databases with free geographical information system (GIS) software in walnut orchards: Tekirdag-Isiklar region example

This study was carried out on 1753 trees at a sample of fruit (walnut) at the age of 10, at a size of 132 decares, in the Işıklar district of Tekirdag province. The fruit garden was created using the Free Geographical Information System (GIS) Software (Google Drive, Google Earth, QGIS), the slope, unevenness index, shading, appearance and relief maps. The walnut varieties in the research area, which were planted in 2010, are chandler, fernor, pedro, kaman and franquette. The predominant type of walnut garden planted within 8 x 8 planting area is chandler. There are a total of 1753 walnut trees including 1128 chandler, 288 pedro, 124 fernor, 105 kaman and 108 franquette. In the research area, the harvest amount of walnut trees, annual amounts of water, walnut varieties, climate data of the research area, soil structure and planting frequency were also processed as database in the free software OpenOffice Calc program. The created database has been presented for all online use and free of charge for all kinds of operations such as accessing via internet, querying and analyzing in the database. Key words: Free software, Google Drive, QGIS, CBS, Walnut, Tekirdağ