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[[File:Maler_der_Grabkammer_des_Sennudem_001.jpg|thumb|Maler der Grabkammer des Sennudem 001]] '''System of Rice Intensification''' ('''SRI''') is an [[agricultural]] methodology aimed at increasing the yield of [[rice]] produced in farming. It is a low-water, labor-intensive, method that uses younger seedlings singly spaced and typically hand weeded with special tools. SRI was developed in [[Madagascar]] in the 1980s and has since been adopted in many countries around the world.

== Principles ==
The System of Rice Intensification is based on several key principles:
* **Transplanting young seedlings**: Seedlings are transplanted at a younger age, usually between 8-12 days old, which helps in better root and tiller development.
* **Single seedling planting**: Instead of planting clumps of seedlings, single seedlings are planted with wider spacing to reduce competition for nutrients.
* **Intermittent irrigation**: Fields are not kept continuously flooded. Instead, they are irrigated intermittently to keep the soil moist but not waterlogged, which improves root growth and soil aeration.
* **Weed control**: Weeding is done frequently using mechanical weeders to aerate the soil and control weeds.
* **Organic fertilization**: The use of organic fertilizers is encouraged to improve soil health and fertility.

== Benefits ==
The benefits of SRI include:
* Increased yield: SRI has been shown to significantly increase rice yields compared to traditional methods.
* Water savings: By using intermittent irrigation, SRI can reduce water usage by up to 50%.
* Reduced seed requirements: SRI requires fewer seeds, as single seedlings are planted instead of clumps.
* Improved soil health: The use of organic fertilizers and mechanical weeding improves soil structure and fertility.

== Challenges ==
Despite its benefits, SRI also faces several challenges:
* Labor intensity: SRI is more labor-intensive than traditional methods, particularly in the initial stages of seedling transplantation and weeding.
* Knowledge and training: Farmers need to be trained in SRI techniques, which can be a barrier to adoption.
* Initial resistance: There can be resistance to change from traditional farming practices to SRI.

== Adoption ==
SRI has been adopted in various countries, including [[India]], [[China]], [[Indonesia]], and several countries in [[Africa]]. Governments and non-governmental organizations (NGOs) have been promoting SRI through training programs and support initiatives.

== See also ==
* [[Agriculture]]
* [[Rice production]]
* [[Sustainable agriculture]]
* [[Organic farming]]

== References ==
{{Reflist}}

== External links ==
{{Commons category|System of Rice Intensification}}

[[Category:Agricultural techniques]]
[[Category:Rice production]]
[[Category:Sustainable agriculture]]

{{Agriculture-stub}}

System of Rice Intensification - Revision history

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