Agriculture > Irrigation and Water

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FS026E
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 ...

Availability: FREE Online only
FS035E
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:// ...

Availability: FREE Online only
FS226E
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, ...

Availability: FREE Online only
FS225E
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, ...

Availability: FREE Online only
FS230E
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, ...

Availability: FREE Online only
FS227E
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, ...

Availability: FREE Online only
PNW663
Clover Root Curculio in Alfalfa: Identification, Biology, and Management
This publication will help growers in Washington, Idaho, and Oregon design an integrated pest management (IPM) program for Sitona hispidulus, a pest of alfalfa and clover that occurs throughout the Un ...

Availability: FREE Online only
EM061ES
Conceptos básicos de riego para los viñedos del este de Washington
Este manual tiene por objetivo aclarar las opciones y estrategias de riego en los cultivos comerciales de uva, tanto para jugo como para vino, en el estado de Washington. Este documento cubre los asp ...

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C0912
Determining the Gross Amount of Water Applied --Surface Irrigation
This bulletin, the size of a 3X5 card, has a table of water measurement over a Cipoletti weir, as well as examples for determining the gross amount of water applied in surface irrigation. ...

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FS004E
Does Wetter Water Make Fatter Wallets? Using Soil Wetting Agents
Provides a concise overview of water repellency as it relates to soil, and explains how surfactants work to increase water absorption in areas characterized by poor water infiltration and distributio ...

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