By Qiang Zhu, John Gould, Yuanhong Li, Chengxiang Ma (eds.)
This publication bargains key source fabrics constructed for a world education path on Rainwater Harvesting and usage hosted every year by means of the Gansu learn Institute for Water Conservancy in Lanzhou, China given that 2003. themes hide the layout, development and administration of rainwater harvesting platforms for family water provide and supplementary irrigation, rainwater caliber matters and runoff farming. It offers case experiences from winning rainwater-harvesting initiatives either in China and world wide, and offers readers with crucial details and thought alike. it's a helpful source for researchers, practitioners and scholars within the sector of water administration, agriculture and sustainable improvement. Qiang Zhu is a learn professor at Gansu examine Institute for Water Conservancy, Lanzhou, China; John Gould is a rainwater harvesting advisor dependent in Christchurch, New Zealand; Yuanhong Li is a examine professor at Gansu study Institute for Water Conservancy, Lanzhou, China; Chengxiang Ma is an engineer at Gansu examine Institute for Water Conservancy, Lanzhou, China.
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Sample text
11 RWH for irrigation of young trees on the converted land (left) and trees planted in the pits for concentrating rainwater (right) is crucial for human existence, it cannot really be evaluated in terms of money alone. In the benefits of RWH-based irrigation, the costs for poverty alleviation and emergency relief incurred by the government during severe droughts are also needed to be included. 11). 2 Social Impact of the RWH Project It is apparent that the RWH project has many positive social impacts including the following.
6 % of total cultivated land. • The RWH irrigation systems have created the opportunity for households to change and diversify their agricultural production patterns according to market needs thus helping them increase their income and to escape from poverty. 3 Environment Impact Assessment • The RWH project, by increasing crop yields and improving food security, made it easier for farmers to engage in the State initiated “Land conversion” program aiming at restoration of ecosystem in the West China.
Another important benefit of RWH is that the water tank is just by the side of the house. The farmers do not need to fetch water from a long distance. It is estimated that each family with 4 members had to spend 70 labor days each year for carrying water for daily use before the RWH project, and this was mainly a burden of women and children. Implementing of the RWH enables rural laborers to find temporary jobs in towns and get additional income. Furthermore, by tiling the roof and paving the courtyard, the surrounding of the farmers’ houses have been greatly improved.
