The scarce rainfall, high temperature and evaporation lead to limited water resource in the dry arid and semiarid regions. Dry regions suffer from both the problems of quantity and quality of water. In most part of the dry region, groundwater is either saline or having high nitrates and fluoride content especially in States of Rajasthan, Gujarat, Haryana, Punjab, Andhra Pradesh [...]
The following points highlight the three modern water harvesting techniques of arid regions. The techniques are: 1. Virda 2. Dew Water Harvesting System 3. Greenhouse Water Harvesting. Technique # 1. Virda: Virda is an interesting and unique indigenous water harvesting system developed in arid and saline region of Kachchh, Gujarat. Basically, virdas are shallow wells dug in low depressions of [...]
In this article we will discuss about the Khadin system of water harvesting used in Western Rajhasthan, India. Introduction: In the past, many dryland areas around the world have been considered as 'wastelands' because of their low soil organic carbon, poor water availability and frequent occurrence of droughts due to erratic and scanty rainfall which has resulted in low crop [...]