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Agro-Informatics and Precision Farming: Tamil Nadu Agricultural University Experience. Dr. R. Sivasamy Professor and Head Remote Sensing and Geographic Information System Department, Tamil Nadu Agricultural University, India siva_tnau@yahoo.com rsgis@tnau.ac.in. Coverage.
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Agro-Informatics and Precision Farming: Tamil Nadu Agricultural University Experience Dr. R. Sivasamy Professor and Head Remote Sensing and Geographic Information System Department, Tamil Nadu Agricultural University, India siva_tnau@yahoo.com rsgis@tnau.ac.in
Coverage • Introduction of RS & GIS in Research and Curriculum • Agro-meteorological Advisory • Agri-tech Portal • Market Intelligence • RS & GIS Applications in Agriculture • Soil resource Inventory • Land Degradation Mapping & Soil Erosion Modeling • Spectral Library • Precision Farming • Soil Information System • Crop Planner
Introduction of RS & GIS • RS Applications in Agriculture – a Unit in SS&AC Dept. started in 1989 • Soil Scientists trained in National and International Institutions • Used visual products for mapping Soil Resources • Delineated gypsum mined areas, water logged areas • Modeled soil erosion by water • Carried out varietal discrimination, biomass and yield estimation in field crops • Generated DTM of micro-watershed
Introduction of RS & GIS • Department of RS & GIS from April 2010 • Multi-disciplinary team of scientists • Offers RS & GIS Courses for UG & PG Programmes • Generates Soil Resource Database • RI-SAT Data Application in Soil Moisture Monitoring • HRD-Training on RS & GIS Applications in Agri. • Research on Drought Monitoring using MODIS data • Hyperspectral Studies • Started PG Program in M.Tech.(Ag.) in Geo-informatics in 2013
Agro-meteorological Advisory • Agro-Climatic Research Centre makes Medium Range Weather Forecasts • Offers Farm Advisory on Agricultural Operations • Conducts Climate Change related studies on Crop Growth using Crop Growth Models and Open Top Growth Chambers • Established AWSs in all Block and collects hourly data on weather parameters and use in downsizing weather forecasts
Agri-tech Portal • An Agritech portal with five lakh and more pages is built and maintained by eExtension Unit • Received ‘Best e-Governance Award’ for the year 2011-12 • The portal provides technologies for crop production, animal husbandry • Hosts success stories of farmers and farmers’ innovations • Information on Government schemes, credit facilities and special technologies for entrepreneurs • The portal is updated on daily basis and visited by thousands of farmers, technologists, administrators and extension personnel every day • The e-Extension Centre has multiple video conferencing facility and connects to all the TNAU College campuses, Agricultural Development Centres
Market Intelligence • Domestic and Export Market Intelligence Cell offers advisory services on marketing • Registered farmers receive prevailing prices in different local and export markets for the produces/products of their interest • Forecasts price for agricultural produce and value added products • Collects Cost of Cultivation of Principle Crops • Maintains a database on price of agricultural commodities from the leading markets of Tamil Nadu and neighbouring States
RS & GIS Applications in Agriculture SOIL RESOURCE INVENTORY • Visual interpretation of FCC from TM & LISS and PAN sharpened LISS3 data • Digital classification of LISS3 data and integration of Physiography, Results of Terrain Analysis of DEM • Selection of sample strips and profile examination and laboratory analysis • Digital Soil Database for Tamil Nadu in NRIS of ISRO • Land Evaluation and Management Options and Crop Selection
RS & GIS Applications in Agriculture LAND DEGRADATION MAPPING • Digital classification ofMulti-temporal LISS3 data for 2005-2006 • Integration of Land Use Land Cover maps and results from Terrain analysis • Mapping Land Degradation Process and Degree • Selection of sample strips and profile examination and laboratory analysis • Management Options and Conservation Measures • Land Degradation Map of Tamil Nadu in NRIS
RS & GIS Applications in Agriculture SPECTRAL LIBRARY • Spectro-radiometer in 350 t0 1050 nm range is used • Crops and Varieties under different Nutrient Management and Crop Geometry • Crop Damage by Pests and Diseases • Soil Degradation due to erosion and pollutants • Soil Mineralogical studies
Towards Precision Farming • Spatial Variability Analysis