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Micro level agricultural information system using GIS

Introduction
Agriculture sector supports the economy and promotes the well-being of individuals. The GIS database has been designed to enhance government to make efficient decisions to explore ways of using GIS technologies in agricultural sector. In this paper the services are presented in the form of thematic information in location, networking and field areas.

Objective

  • To identify potential areas and cadastral information with farmers details
  • To identify soil structure and quality
  • To find out production details
  • To provide optimised routing solutions using GIS platform

Study area
The study area is Vithura Grama panchayat. It comes under Nedumangad Taluk in Thiruvananthapuram district. Thiruvananthapuram formerly known as Trivandrum, is the capital of the Indian state of Kerala. The area extent of the Panchayath is 98.53 Sq.Km.

Study Area Map

Methodology

  • Preparation of digital base map from cadastral data on 1:2000 scale of Vithura Grama panchayat, which comes under Nedumangad Taluk in Thiruvananthapuram district of Kerala.
  • Collection of Ground Control Points(GCPs) using DGPS and Geo-referencing of maps.
  • Generation of spatial frame work in GIS environment and correction of the boundaries.
  • Integration of corrected boundaries in thematic maps using GIS techniques.
  • Updating of parcel map from high resolution satellite data, delineation of existing land and water resources, utility and the service survey, community facility survey, house hold survey for collecting essential data, demographic data collection and integration with map and finally developing an user friendly software for public service.

GIS introduce methods and environments to visualise, manipulate, analyse and display geographic data. These methods and environments have some interoperability problems. Different organisations and commercial vendors develop their own data models and storage structures. If GIS services are not interoperable, GIS services cannot interact with each other even though they are in the same organisation or they belong to same commercial vendor. The nature of the geographical applications requires seamless integration and sharing of spatial data from a variety of providers. Interoperability is a main goal for GIS.

To solve the interoperability problems an OGC standards baseline comprises more than 30 standards, including:

  • WMS – Web Map Service: provides map images
  • WFS – Web Feature Service: for retrieving or altering feature descriptions
  • Styled Layer Descriptor (SLD)

Software specification and Information system design:

Software specification:

  • Developing Server (Geoserver 2.1.3)
  • Client script (Front End), Openlayers-1.11, Extjs 3.0,GeoExt-1.11,
  • Server Scripting (Back End), JSP (Java Server Page)
  • Database: PostgreSQL-9.1.

Architecture:

Spatial Modules

  • Viewer
  • Basic Tools (Pan, Zoom, Identity)
  • Exporting to PDF
  • Search Functions
  • Custom Query
  • Symbology and Labeling
  • Editing

Non-Spatial Modules

  • Database Updating
  • Report Generation
  • User based Administration

Work Flow Diagram

Features and advantages of the system
Micro Level Agricultural Information System (MAIS) is an automated development of cadastral level mapping. An MAIS (Micro Level Agricultural Information System) is designed specifically to create, visualise, analyse, report and publish land-based data such as

  • Landuse
  • Natural Resources-Water resources
  • Land Texture- Spot height and contour
  • Boundary-Various levels like Panchayath boundary, ward boundary, survey boundary etc
  • Landmarks

MAIS as a tool for government

  • Land use planning
  • Infrastructure management

MAIS as a tool for Public:

  • Land planning
  • Environmental protection & resource management

MAIS in Municipalities:

  • Proper land utilsation
  • Computerisation of numeric data of each survey field
  • Accurate digitised maps to work as an efficient decision making tool

MAIS will provide the users:

An accurate spatial view of the Panchayath at-

  • Panchayath Level
  • Ward Level
  • Survey Boundary Level
  • Road Network
  • Drainage Network
  • Water Resources

Functional capabilities
System provides basic mapping functionalities like zoom, pan, info tools, help, and measurement tools for both length and area. It also provides a customised query builder interface for providing the queries and the results will be highlighted on the map. It contains the spatial editing and symbology tools for editing the map features if at all needed. The maps can be printed as needed, for that a map preview window is provided for customizing the map printout.

“Micro Level Agricultural Information System (MAIS)”, on various approaches like selecting necessary layer, view attributes, search the former location to identify for resource utilization and planning utility and query by regular expression over the spatial features or query by user own generated query to display on the map. This Information System was being integrated with computer based database management systems to take decisions based on a holistic approach.

Important Landmarks

Road Network

Conclusion
Efficient management of land use especially agricultural land. The study reveals that every panchayat has its own set of features and problems which need appropriate and selection of agriculture land. It can be necessary to extend the agriculture land where ever it was changed. spatial based information system at panchayat level can support investigation, monitoring, proper planning and decision making to provide better public utility services. This system involves several functionalities to serve the people at panchayat can be extended to similar panchayat, municipalities, etc. In several utility services

Reference

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