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6.5 Geographical Information Systems

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  Mohamed Shariff, Abdul Rashid. 2006. Section 6.5 Geographical Information Systems, pp. 414-424 of Chapter 6 Management and Decision Support Systems, in CIGR Handbook of Agricultural Engineering Volume VI Information Technology. Edited by CIGR--The International Commission of Agricultural Engineering; Volume Editor, Axel Munack. St. Joseph, Michigan, USA: ASABE.  .(doi:10.13031/2013.21691)
Authors:   A. R. Mohamed Shariff
Keywords:   Geographical information systems (GIS), Spatial information systems (SIS), Agricultural GIS, Durian plantations, Precision farming, Remote sensing in agriculture, Potential fishing zones (PFZ)

Data analysis is an important aspect of agriculture, as it helps increase productivity. The geographical nature of agricultural information requires positional data to be accounted for, in addition to the attribute data. Spatial or geographical information systems are systems for collecting, storing, enhancing, and analyzing the spatial or geographical data sets. Thus, a GIS can be used to solve a multitude of position-related agricultural problems. This section provides an overview of GIS, followed by three specific examples of the use of GIS in agriculture: the distribution of disease or stressed plants in durian plantations, the distribution of bulk density and its relationship to paddy yield, and the determination of sea areas with high aggregation of chlorophyll-a that enables the identification of potential fishing zones.

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