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| - | ='''Selection of reference period'''= | + | ='''Selection of Reference Period'''= |
| - | '''GIS''' | + | '''Introduction''' |
| - | In order to work effectively with large quantities of data the use of geographic information systems (GIS) is necessary. | + | In order to evaluate crop growth, historical data need to be present for the area under study. |
| - | + | ||
| - | Geographic Information Systems (GIS) are a computer programs that organize, display, and analyze spatially distributed data. At its simplest, GIS is "mapping", providing a geographic arrangement of extremely diverse information. GIS has been applied in geology, biology, psychology, anthropology etc., and has been around in Crop Forecasting for a long time. | + | |
Revision as of 13:54, 3 August 2006
Selection of Reference Period
Introduction
In order to evaluate crop growth, historical data need to be present for the area under study.