Editing Johad

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A '''johad''' is a traditional [[rainwater harvesting]] structure, primarily used in the [[North India|North Indian]] states of [[Rajasthan]], [[Haryana]], and some parts of [[Uttar Pradesh]]. Johads are small earthen check dams that capture and conserve rainwater, improving the percolation of water into the ground and recharging the [[groundwater]] table. They are part of an ancient and indigenous knowledge system that has been practiced for centuries in the arid and semi-arid regions of India, where water scarcity is a major issue.

==History and Construction==
The history of johads dates back to several centuries ago when communities in the arid regions of India developed this ingenious method to conserve water. These structures were community-built and managed, reflecting a strong sense of community ownership and collective responsibility towards water conservation. Johads are typically constructed by creating an embankment on three sides, leaving the fourth side open for water to enter during the rainy season. The embankment is made using local materials such as earth, rocks, and sometimes, lime and clay, making it a cost-effective and sustainable method of water conservation.

==Function and Benefits==
The primary function of a johad is to collect rainwater, thereby preventing water runoff and soil erosion. This collected water gradually percolates into the ground, recharging the groundwater table and ensuring the availability of water in wells and other groundwater sources during dry periods. The revival of johads in many parts of North India has led to significant improvements in groundwater levels, agricultural productivity, and biodiversity in the region. They also help in mitigating the effects of droughts and provide a reliable source of water for irrigation, livestock, and domestic use.

==Revival and Modern Relevance==
In recent decades, there has been a renewed interest in the revival and construction of johads, driven by the growing awareness of sustainable water management practices and the need to address water scarcity. Organizations like the [[Tarun Bharat Sangh]], led by renowned water conservationist [[Rajendra Singh]], have been instrumental in the revival of thousands of johads across Rajasthan and other states. This movement has not only helped in improving water security but has also empowered local communities to take charge of their water resources.

==Challenges==
Despite their benefits, the construction and maintenance of johads face several challenges. These include land ownership issues, siltation, reduced rainfall due to climate change, and a lack of awareness and technical knowledge among newer generations. Addressing these challenges requires a collaborative effort involving communities, government agencies, and non-governmental organizations.

==Conclusion==
Johads are a testament to the wisdom of traditional water management practices and their relevance in addressing contemporary water challenges. Their revival and continued maintenance are crucial for sustainable water management, particularly in regions facing acute water scarcity. By fostering community participation and integrating traditional knowledge with modern science, the legacy of johads can be preserved and propagated for future generations.

[[Category:Water conservation]]
[[Category:Environmental technology]]
[[Category:Sustainable development]]
[[Category:Rajasthan]]
[[Category:Haryana]]
[[Category:Uttar Pradesh]]

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File:A_Nadi_(small_johad)_in_village_Laporiya,_Rajasthan.jpg|A Nadi (small johad) in village Laporiya, Rajasthan
File:Rithal_village_hariyana_rohtak_0080.jpg|Rithal village, Haryana, Rohtak
File:Rithal_village_hariyana_rohtak_0002.jpg|Rithal village, Haryana, Rohtak
File:Rajendra_Singh_interacting_with_Teri_University_Students.JPG|Rajendra Singh interacting with Teri University Students
File:Johad.JPG|Johad
</gallery>