Agro-Informatics and Precision Farming: Tamil Nadu Agricultural University Experience

1
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_at_yahoo.com
• rsgis_at_tnau.ac.in

2
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

3
Introduction of RS GIS

• RS Applications in Agriculture a Unit in SSAC
  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

4
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

5
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

6
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

7
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

8
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

9
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

10
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

11
Towards Precision Farming

• Spatial Variability Analysis

12
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
13
Soil Information System
14
(No Transcript)
15
(No Transcript)
16
(No Transcript)
17
(No Transcript)
18
(No Transcript)
19
Crop Planner for Cauvery Delta
20
(No Transcript)
21
(No Transcript)
22
(No Transcript)
23
Farm Level Management System
24
Thank you very much