Presenter: A. Satyanarayana Audience: Workshop on SRI, World Rice Research Conference, Tsukuba, Japan Subject Country: India

1. System of Rice Intensification (SRI) An innovative technology to produce ‘more crop per drop’ Slides from a powerpoint presentation made to the workshop on SRI held at World Rice Research Conference, Tsukuba, Japan, November 7, 2004 Dr. A. SATYANARAYANA Director of Extension, Andhra Pradesh Acharya N. G. Ranga Agricultural University Rajendranagar, Hyderabad, India

2. On-farm evaluations of SRI in A.P. ANGRAU DOA Kharif 2003-04 200 500 Rabi 2003-04 > 2000 Volunteer farmers with larger areas Kharif 2004-05 250 800 Rabi 2004-05 250 + Thousands of volunteer farmers

7. PADDY YIELDS UNDER SRI IN COASTAL AREAS Kharif 2003-04, by district (kg/ha)

8. PADDY YIELDS UNDER SRI IN TELANGANA AREA Kharif 2003-04, by district (kg/ha)

9. PADDY YIELDS UNDER SRI IN RAYALASEEMA REGION Kharif 2003-04, by district (kg/ha)

10. Performance of SRI in AP, Kharif season 2004 (ANGRAU) No. of trials 194 SRI 7.6 t/ha Conventional 5.9 t/ha SRI advantage = 1.7 t/ha

11. PADDY YIELDS UNDER SRI IN KHARIF 2004-05 ANGRAU trials, by district (kg/ha)

12. Performance of SRI in Kharif 2003-04 Trials organized by State DOA No. of trials - 476 Average SRI yield (t/ha) - 7.92 Control (t/ha) - 5.48 State average productivity (t/ha) - 3.01 2 districts averaged over 10 t/ha 6 districts averaged over 9 t/ha

13. Performance of Rice under SRI, Rabi 2003-04 No. of trials (data reported so far) 94 Ave. SRI yield (kg/ha) 9,669 Ave. conventional yield (kg/ha) 7,125 SRI yield advantage (kg/ha) 2,554 Highest yield recorded under SRI (kg/ha) 16,250 (harvested yield from 9 acre extent – see picture)

15. Benefits of SRI 1. Higher yields – Both grain and straw 2. Reduced duration (by 10 days) 3. Lesser chemical inputs 4. Less water requirement 5. Less chaffy grain % 6. Grain weight increased without change in grain size 7. Higher head rice recovery 8. Withstand cyclonic gales 9. Cold tolerance 10. Soil health improves through biological activity 11. Drought tolerance

17. Swarna under SRI