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Wind Pump Irrigation System 1.90 MB 33 downloads

What is Wind Pump Irrigation System? Wind Pump is a device that converts kinetic...
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What is Soil Survey? 1.21 MB 65 downloads

What is Soil Survey? Soil is the systematic examination, description, classification,...
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Urban Agriculture 275.12 KB 42 downloads

Poverty Alleviation, Waste Reduction and Health Improvement Program for Urban Poor...