Irrigation and Water

Irrigation and Water
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2009 Cost of Producing Alfalfa Hay Under Center Pivot Irrigation in the Columbia Basin of Washington State

The enterprise budgets presented in this publication are based on alfalfa produced in the Big Bend of the Columbia River in south central Washington. Cost estimates are provided for both 1-ton and 2-t ...
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2010 Cost of Producing Native and Scotch Spearmint Under Rill and Center Pivot Irrigation in Washington

This manuscript provides up-to-date information on the production cost of spearmint, which is used by a variety of people as benchmark of industry production costs, and to determine the feasibility o ...
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An Evaluation of Soil Improvement Practices Being Used on Irrigated Soils in the Columbia Basin

This publication outlines the results of a 2015 study conducted on the effects of three soil improvement practices used in the Columbia Basin: organic amendments, cover crops and green manures, and hi ...
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Anaerobic Digestion Effluents and Processes: The Basics

Anaerobic digesters are used worldwide to produce bioenergy and sustainably treat organic waste from municipal, industrial, and agricultural operations. This fact sheet reviews the basic elements of ...
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Calculating Chemigation Injection Rates

This fact sheet describes how to calculate injection rates for chemigation. English units are used exclusively. Many of the equations can be solved with the irrigation calculators provided at http:// ...
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Center Pivot Chemigation/Fertigation Injection Rate Worksheet for Volume-Based Applications (Chemigation Calculation Worksheet Series)

Applying fertilizers and chemicals to crops through an irrigation system involves multiple factors and lots of calculations. Whether you’re calculating injection rates for center pivots or drip lines, ...
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Center Pivot Chemigation/Fertigation Injection Rate Worksheet for Weight-Based Applications (Chemigation Calculation Worksheet Series)

Applying fertilizers and chemicals to crops through an irrigation system involves multiple factors and lots of calculations. Whether you’re calculating injection rates for center pivots or drip lines, ...
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Chemigation or Fertigation Injection Pump Calibration (Chemigation Calculation Worksheet Series)

Applying fertilizers and chemicals to crops through an irrigation system involves multiple factors and lots of calculations. Whether you’re calculating injection rates for center pivots or drip lines, ...
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Chemigation or Fertigation Injection Rate Worksheet for Water Concentration-Based Applications (Chemigation Calculation Worksheet Series)

Applying fertilizers and chemicals to crops through an irrigation system involves multiple factors and lots of calculations. Whether you’re calculating injection rates for center pivots or drip lines, ...
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