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results 1-20 of 35 item(s)  page 1 of 2 : ( <<  1  2  >> ) :: previous : next
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1. Economics of Alternative Irrigation Systems in the Kittitas Valley Economics of Alternative Irrigation Systems in the Kittitas Valley To help Kittitas Valley farmers evaluate the economics of alternative irrigation systems, a study was conducted to estimate the capital investment, annual cost, irrigation water, and labor associated with...

2. WSU Drought Advisory: Surge Flow Surface Irrigation WSU Drought Advisory: Surge Flow Surface Irrigation Surge flow irrigation is the intermittent application of water to furrows, rills, or borders in a series of on and off periods of constant or variable time spans. This drought advisory explains surge irrigation,...

3. Stretching Irrigation Water Supplies Stretching Irrigation Water Supplies The author discusses factors that conserve irrigation water supplies: schedule irrigation, apply water uniformly, maintain a tight system, reuse water, and keep ditches cleaned out, and consider changing...

4. A Ready Reference for Irrigation Manual of Practice A Ready Reference for Irrigation Manual of Practice Designed to protect both surface and groundwater, this manual presents a brief review of the six overall management objectives for irrigated agriculture in Washington State. These are: 1) Minimize water...

5. Determining the Gross Amount of Water Applied --Surface Irrigation 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.

6. WSU Drought Advisory: Mint Irrigation Management WSU Drought Advisory: Mint Irrigation Management This drought advisory bulletin discusses the water requirements of mint. Since mint needs water all summer and has a shallow root system and low salt tolerance, growers have to focus on getting maximum...

7. WSU Drought Advisory: Oilseed Rape Keeps Irrigated Land Productive WSU Drought Advisory: Oilseed Rape Keeps Irrigated Land Productive This drought advisory bulletin discusses the cultivation, irrigation, and harvest needs of oilseed rape or canola as a rotation crop during drought years. Rape is a good alternative crop because most of...

8. Irrigation Scheduling Irrigation Scheduling This guide to scheduling irrigation that matches crop water needs includes detailed tables on soil capacities and selected crops, as well as formulas for determining gross application and usable moisture....

9. WSU Drought Advisory: Irrigation System Evaluation WSU Drought Advisory: Irrigation System Evaluation This drought advisory bulletin lists methods of evaluating how much water a sprinkler system can deliver in a given amount of time, to help farmers schedule irrigation scientifically for maximum use of...

10. Chemigation in the Pacific Northwest Chemigation in the Pacific Northwest Chemigation is the injection of agricultural chemicals such as fertilizers, herbicides, and insecticides into an irrigation system. This bulletin discusses characteristics of these chemicals, safety equipment,...

11. Sizing Irrigation Mainlines and Fittings Sizing Irrigation Mainlines and Fittings This guide discusses important considerations in selecting the most efficient size of mainline pipes and fittings for an irrigation system. Includes tables and diagrams for calculating friction loss, valve...

12. 2001 Cost of Producing Peppermint under Rill and Center Pivot Irrigation, Central Washington 2001 Cost of Producing Peppermint under Rill and Center Pivot Irrigation, Central Washington This publication is on-line only. Washington State is the nation's second leading producer of peppermint oil. This study was undertaken to estimate the 2001 costs of establishing and producing peppermint...

13. Walk-Through Irrigation Systems Analysis Walk-Through Irrigation Systems Analysis This worksheet lists details to check on a walk-through inspection analysis of an entire irrigation system, both hydraulics and hardware. Includes suction system, pump and fittings, electric motor, electric...

14. WSU Drought Advisory: Set-Move and Permanent Sprinkle Irrigation Systems WSU Drought Advisory: Set-Move and Permanent Sprinkle Irrigation Systems This drought advisory bulletin discusses evaluation of set-move and permanent sprinkle irrigation systems for efficiency and water conservation. Includes uniformity, pressure, nozzle inventory and wear,...

15. Cost of Establishing and Producing Hops Under Drip Irrigation in the Yakima Valley Cost of Establishing and Producing Hops Under Drip Irrigation in the Yakima Valley Tells how to project and manage production costs by guiding the planning process. Charts and worksheets make it feasible to get a very accurate analysis of costs.

16. WSU Drought Advisory: Surface Irrigation Systems WSU Drought Advisory: Surface Irrigation Systems Helps optimize your usable water appropriation using gravity flow. Presents the most efficient slope rates for open systems, gate and valve operation, reducing tailwater runoff, lining the ditches, and...

17. Irrigation Management Practices to Protect Groundwater and Surface Water Quality in the State of WA Irrigation Management Practices to Protect Groundwater and Surface Water Quality in the State of WA Gives growers best management practices for preserving water quality when irrigating crops.

18. Purple Loosestrife Purple Loosestrife This invasive wetland perennial produces purple-magenta blooms from late June to September. It flourishes in river and irrigation systems in the Northwest, where it can crowd out native vegetation. Photos...

19. 1997 Enterprise Budgets for Potatoes, Winter Wheat, Alfalfa Hay, Grain Corn, Silage Corn and Sweet Corn 1997 Enterprise Budgets for Potatoes, Winter Wheat, Alfalfa Hay, Grain Corn, Silage Corn and Sweet Corn Under Center Pivot Irrig This publication presents budgets for a well-managed farm growing potatoes, winter wheat, alfalfa hay, grain corn, silage corn, and sweet corn under irrigation in the Columbia Basin, Washington. Budget...

20. Grower Experiences with Field Corn in Easatern Washington, 1996-2000 (Grower Experiences-Alternate Crop Grower Experiences with Field Corn in Easatern Washington, 1996-2000 (Grower Experiences-Alternate Crop Series) The info for this publication was gathered from a seminar on field corn held in Washington State in February 2000. Corn is a crop with a relatively long history in Washington, but mostly under irrigation....
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