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Pak Studies Geography IGCSEprinted 89 · PDF 89
162 pagesrevision 46929
printed 89 · PDF 89
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Organic farming to reduce pollution.
13. Case Studies
A. Punjab Wheat-Rice Cropping System
high yields, mechanised farms, double cropping.
Advantages:
Problems:
salinity, over-irrigation, soil depletion.
Solutions:
balanced fertilisers, efficient irrigation.
B. Thar Desert (Rain-fed area)
drought, sandy soil, low rainfall.
Problems:
Solutions:
rainwater harvesting, drought-resistant millet, fodder storage.
C. Coastal Sindh Cyclone Impact
Effects:
rice/sugarcane destroyed, salinity intrusion.
Mitigation:
embankments, cyclone warning system, salt-tolerant crops.
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