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Books > Earth & environment > The environment > Management of land & natural resources
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Every Last Drop - Rainwater harvesting and sustainable technologies in rural China (Hardcover, Uk Ed.)
Loot Price: R1,127
Discovery Miles 11 270
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Every Last Drop - Rainwater harvesting and sustainable technologies in rural China (Hardcover, Uk Ed.)
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Over the past two decades a quiet revolution has been taking place
in the countryside of China where hundreds of millions of people
have been lifted out of poverty. This book focuses on some of the
practical actions and clever use of appropriate technologies which
have been at the heart of this positive grassroots-driven change in
rural Gansu Province. Key to this has been mobilizing the
population and their expeditious use of rainwater harvesting both
to dramatically improve crop yields and provide households with
reliable domestic water supplies. Since Gansu is semi-arid and
stored rainwater a scarce resource, ingenious systems of providing
crops with just the right amount of supplementary irrigation at
critical periods have been developed. Challenges such as lack of
fuelwood have been overcome by the development of simple low-cost
solar cookers, which by focusing the sun s rays using tiny mirrors
can boil a kettle in minutes. These affordable units are now being
produced at hundreds of small rural factories. The construction of
low-cost greenhouses using plastic sheeting allows for the
collection of rainwater and its use in efficient drip irrigation
systems. By supplying vegetables and cash crops to local markets
farmers have been able to repay their initial investment in under
two years. The real significance of this case study is that most of
the approaches described are based on universal principles of
sustainable development. "Every Last Drop" is recommended reading
for engineers, planners, staff of NGOs, academics and students in
the water, energy, and agriculture sectors."
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