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Water Resources and Irrigation - Soils and Soil Supplements - Lecture Slides

Slides, Biology

Post: January 17th, 2013
Description
These are the lecture slides of Soil Supplements. Key important points are: Water Resources and Irrigation, Importance of Irrigation, Application Methods, Relating to Irrigation Efficiency, Stabilizing Water Resources, Profitability, Quality of Water, Earliest Days, Circulated Water, Precipitation
These are the lecture slides of Soil Supplements. Key important points are: Water Resources and Irrigation, Importance of Irrigation, Application Methods, Relating to Irrigation Efficiency, Stabilizing Water Resources, Profitability, Quality of Water, Earliest Days, Circulated Water, Precipitation
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parameshwari
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Contents
Unit 15: Water Resources & Irrigation Docsity.com Objectives • • • • • Facts, issues, & importance of irrigation Amounts of water needed for crop production Application methods for irrigation Issues relating to irrigation efficiency Stabilizing water resources Docsity.com Introduction • Water tends to be determining factor in profitability • Quantity & quality of water are critical all over the world – Aren’t we lucky? • Irrigation dates back to the earliest days of farming Docsity.com Water Resources for Irrigation • Earth contains ~327 mi3 of water – 97% in oceans – 2% in glaciers & icebergs – .03% in circulated water • Precipitation, transpiration, evaporation • Includes all surface water, atmospheric water vapor, etc. • Hydrologic cycle • Supply of water not evenly distributed – Can you give some examples? Docsity.com Docsity.com Water Resources for Irrigation • Water Scarcity – Looming problems w/ water supplies • Rapidly ..

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