遥感与地理信息系统学报

抽象的

Geographical Information Systems – Overview and History

Lemma Tadesse

Geographical Information System (GIS) is a technology that that gives the means to gather and use geographic records to help inside the event of Agriculture. A virtual map is usually of a lot greater price than the identical map printed on a paper as the virtual model can be combined with other resources of facts for analysing statistics with a graphical presentation. The GIS software makes it possible to synthesize huge quantities of different statistics, combining distinctive layers of records to manipulate and retrieve the facts in a more useful way. GIS presents an effective way for agricultural scientists to better carrier to the farmers and farming network in answering their query and supporting in a higher selection making to implement making plans sports for the improvement of agriculture.