Rice is one of major staple crop of more than half of world’s population. It provides 19 % of global human per capita energy According to 2013- 2014 report the area under rice production in India is 441.10 lakh hectares with the production of 105.48 million tones. Many reasons are responsible for fluctuation of rice production namely physical, biophysical, socio - economic and institutional causes. Many innovative methods are discovered to improve productivity of rice in India. Some of the techniques are System of Rice Intensification (SRI), Aerobic rice, Drip irrigation, laser leveling etc. These methods have produced greater yields than the conventional methods in many experimental and farmers plot.

1. SUSTAIN RICE PRODUCTIVITY
TO ENSURE FOOD SECURITY
M. A. AMBIGA DEVI
III B.Sc., Agriculture,
Adhiparasakthi Agricultural college,
Kalavai.

2. RICE
• Rice is the staple food of > 3.5 billion people
• Area - 441.10 lakh hectares
• Productivity - 2391 kg/Ha
• Demand – 137.3 million tons
SOURCE: DEPT. OF AGRL., COOPERATION
& FARMER’S WELFARE

3. REASONS FOR FLUCTUATIONS IN RICE
PRODUCTION
• Physical factors
• Biophysical factors
• Socio-economic factors
• Institutional factors

4. SYSTEM OF RICE INTENSIFICATION (SRI)
• Alternative to high-input oriented agriculture.
• Yield increase - 47 %
• Water saved - 40 %
• Increase in income - 68 %

8. AEROBIC RICE
• Water - 60%
• Methane - 80 to 85%
• Less labour cost

9. DRIP IRRIGATION
• Yield increase - 20%
• Water saved - 40%
• Nutrient - 30%

10. LASER LEVELLING
• Saves water
• Reduces weed
• Reduced inputs
• Reduces operation time

11. SILICON APPLICATION
• Increasing canopy photosynthetic efficiency
• Increase resistance to Pests
• Reduce toxicity of Heavy metals
• Improve Water Use efficiency
• Resistance to Lodging