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Productivity and Sustainability in Irrigated Rice in Asia





Food security in Asia depends largely on intensive rice production in the favorable environments of irrigated rice-based cropping systems. Further increases in productivity are needed because of predicted growth in population and decreased availability of water and land. Future yield increases will require improved crop care, integrated resource management approaches and more knowledge-intensive strategies for the efficient use of all inputs, including fertilizer nutrients.

The Southeast Asia Program supports the activities of the Irrigated Rice Research Consortium (IRRC) in Southeast Asia particularly in the promotion of improved nutrient management practices, based on the principles of SSNM, through partnerships with the national agricultural research and extension systems, the private sector, and non-government organizations (NGOs).

The IRRC provides information on SSNM on its web site (>www.irri.org/irrc/ssnm<) in support of wide-scale promotion of improved nutrient management strategies. The IRRC under the leadership of the International Rice Research Institute is supported by the Swiss Agency for Development & Cooperation (SDC), International Plant Nutrition Institute (IPNI), the International Potash Institute (IPI), and the International Fertilizer Industry Association (IFA) .

For further information on the IRRC, please visit >www.irri.org/irrc<.


Publications News
Field-specific potassium and phosphorus balances and fertilizer requirements for irrigated rice-based cropping systems



This article published recently in the Plant and Soil Journal, discusses how fertilizer K and P requirements for rice can be determined with site-specific nutrient management (SSNM) using estimated target yield, nutrient balances, and yield gains from added nutrient.

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Balancing Fertilizer Use And Profit In Asia’s Irrigated Rice Systems



About 90% of Asia’s population, particularly the most impoverished, depend on rice as a source of their calories. The production of sufficient rice in Asia at an affordable price for the poor relies on the effective use of fertilizers, especially in the irrigated lowlands that produce 75% of Asia’s rice.

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New web-based decision tools on nutrient management for rice



The International Rice Research Institute (IRRI) has released two web-based nutrient management decision tools, which are available at www.irri.org/nmrice.

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