Country | Farmers (N) or Trials/Area | Conven-tional yield (t/ha) | SRI yield (t/ha) | Yield increase (%) | Water saving (%) | Impact on cost per ha (%) | Impact on income per ha (%) | Coverage of evaluation and agency doing study [source of data] |
---|---|---|---|---|---|---|---|---|
AFGHANISTAN | 42d | 5.6 | 9.3 | 55% | NM | NM | NM | Aga Khan Foundation program in Baghlan district [23] |
BANGLADESH | 1,073d | 5.44 | 6.86 | 26% | NM | −7% | +59% | 2-year study by NGOs and Syngenta under IRRI program auspices [24] |
CAMBODIA | 500c | 1.63 | 2.29 | 41% | Rainfed | −56% | +74% | 5-province study done for GTZ [25] |
Experienced farmers | 120d | 1.34 | 2.75 | 105% | Rainfed | −47% | +98% | Study of all 3-year SRI users by CEDAC [26] |
CHINA | 82c | 6.6 | 9.37 | 42% | 44% | −7.4%f | +64% | Village study by China Agricultural University in Sichuan province [27] |
Sichuan province | Total area 2004 to 2010 : 301,967 ha | 7.7 | 9.5 | 23% | 25.6% | NR | Additional income: US$320 million | Provincial Department of Agriculture data, 2004 to 2010 [28] |
INDIA | 108d | 4.12g | 5.47g | 32%g | Rainfed | −35% | +67% | IWMI-India programme study in W. Bengal [29] |
Andhra Pradesh state | 1,525d | 6.31 | 8.73 | 34% | 40% | NM | NM | Evaluations by AP state university ANGRAU [30] |
INDONESIA | 12,133d | 4.27 | 7.61 | 78% | 40% | −20% | >100% | On-farm trials managed by Nippon Koei TA team, 2002 to 2006 [31] |
KENYA | On-station trials | 6.2 | 7.6 | 26% | 28.2% | NM | NM | Mwea irrigation scheme trials, 3 replications [32] |
Additional trials | " | 8.66 | 14.85 | 70% | 24% | NM | NM | Mwea irrigation scheme trials, 4 replications [33] |
MALI | 53d | 5.5 | 9.1 | 60% | 10% | +15% | +108% | Timbuktu region under Africare program [34] |
MYANMAR | 612d | 2.1 | 4.4 | 110% | Rainfed | +0.2% | 8.7 times more | FFS results in Kachin and Shan States, 3 years [35] |
NEPAL | 412d | 3.3 | 6.1 | 82% | 43% | −2.2%e | +163% | District agricultural extension program, Morang [36] |
Far Western region | 890d | 4.01 | 7.58 | 88% | >60% | +32% | +164% | |
PANAMA | 46d | 3.44 | 4.75 | 38% | 71-86% | NM | NM | 10 communities, evaluation by NGO [39] |
SRI LANKA | 120c | 3.84 | 5.52 | 44% | 24% | −12% | +104% | IWMI study in 2 districts [40] |
VIETNAM | 1,274d | 5.58 | 6.79 | 22% | 33% | −30% | +36% | MARD FFS results from 13 districts [41] |
Total N and Averages | 18,870a | 4.77 | 7.12 | 50% | 37.5% | −16% | 94%a,b |  |