Loading in 2 Seconds...
Loading in 2 Seconds...
Overview of System of Rice Intensification in Cambodia Chou Cheythyrith National FAO-IPM Project Coordinator, Ministry of Agriculture Forestry and Fisheries, in collaboration with Regional FAO Vegetable IPM Program. Background of SRI.
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
National FAO-IPM Project Coordinator, Ministry of Agriculture Forestry and Fisheries, in collaboration with Regional FAO Vegetable IPM Program
According to their natural potential, rice plants have ability for:
Traditional/conventional practices inhibit crop growth and do not allow rice plants to achieve their full potential, while SRI methods create a conducive environment for rice plants to grow
Rice field is continuously flooded with high level of water during the vegetative stage
Seedlings are raised with much water, and seedling density is high
Transplanting with too many seedlings per clump, mixture of weak and thick seedlings
Only minimal water, preferably keeping the soil only moist and in dry/wet condition
Seedlings are raised in beds like vegetable bed, and the seed density is very low
Young seedlings are used, preferably less than 15 days old (at 2-3 leaf stage)Difference between traditional and SRI practices
Seedling age is too old, generally more than one month
Seedling is uprooted with damage to root and stem, and is kept for one to two days before transplanting
Seedlings are transplanted with close spacing and no equal spacing
Only 1 to 2 seedlings, but preferably one seedling per clump, only vigorous seedlings
Young seedling is uprooted and transplanted with care, transplanted immediately after uprooting
Wide spacing and square pattern, or at least line transplantingDifference between traditional and SRI
To begin, if farmers just select only strong seedlings for transplanting, reduce the number of seedlings per clump, and do shallow transplanting, their yield can be increased by more than 30 % (at no extra cost !).
Supported by Regional FAO Vegetable IPM Program
Three water regimes
Three planting densities
Criteria for healthy root growth:
Trendunder different water regimes and planting densities:
Grain yield (t/ha)
for your attention