Explain the role of scientific knowledge in agriculture with respect to arid zones, dry lands and hills

Scientific knowledge plays a crucial role in agriculture, especially in addressing the unique challenges faced in arid zones, dry lands, and hilly terrains. These regions are characterized by limited water resources, poor soil quality, and challenging topography, making traditional farming practices less effective. In such environments, the application of scientific knowledge is instrumental in achieving sustainable and productive agriculture. Here's an explanation of the role of scientific knowledge in agriculture concerning these specific zones:

1. Crop Selection and Breeding:
   - Scientific knowledge allows researchers to identify crop varieties that are well-suited to arid, dry, and hilly regions. _________ ____ _____ _______ _________.
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