Wheat grows well in cool and dry climates, found in Punjab and Uttar Pradesh. However, Tamil Nadu has a hot and humid climate with more rainfall, which suits rice, not wheat. Hence, climate and soil differences cause this cropping variation.
Wheat is mainly grown in Punjab and Uttar Pradesh but not in Tamil Nadu. Why does this cropping pattern vary geographically?
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The cropping pattern varies due to climate and soil conditions. Wheat requires a cool, dry winter and well-drained fertile soil, which are present in Punjab and Uttar Pradesh. In contrast, Tamil Nadu has a tropical climate with high temperature and humidity, ideal for rice cultivation. Therefore, the difference in temperature, rainfall and soil determines the regional variation in crops.