AgroInformatics and Precision Farming Tamil Nadu Agricultural University

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 Geoinformatics 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 e. Extension 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 LISS 3 data �Digital classification of LISS 3 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 of. Multi-temporal LISS 3 data for 20052006 �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 t 0 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

Spatial Variability and Management Zoning Field No. N kg/ha SD Farm 120 11. 5 1 132. 5 3. 8 2 134. 5 2. 5 3 114. 2 9. 3 4 107. 8 4. 8 5 113. 6 8. 1 6 113. 1 6. 3 7 127. 9 4. 0

Soil Information System

Crop Planner for Cauvery Delta

Farm Level Management System

Thank you very much