Definition
– “the supply of water to crops and landscaping plants by artificial means”
• Estimates of magnitude
– world-wide: 544 million acres
• (17% of land 1/3 of food production)
Purpose
• Raise a crop where nothing would grow otherwise (e.g., desert areas)
• Grow a more profitable crop (e.g., alfalfa vs. wheat)
• Increase the yield and/or quality of a given crop (e.g., fruit)
• Increase the aesthetic value of a landscape (e.g., turf, ornamentals)
– “the supply of water to crops and landscaping plants by artificial means”
• Estimates of magnitude
– world-wide: 544 million acres
• (17% of land 1/3 of food production)
Purpose
• Raise a crop where nothing would grow otherwise (e.g., desert areas)
• Grow a more profitable crop (e.g., alfalfa vs. wheat)
• Increase the yield and/or quality of a given crop (e.g., fruit)
• Increase the aesthetic value of a landscape (e.g., turf, ornamentals)
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