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576 - 600 of 1758 Items << < 19 20 21 22 23 24 25 26 27 28 > >>
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Irrigation percolation can be an important source of shallow aquifer replenishment in arid
regions of the southwestern United States. Aquifer recharge derived from irrigation percolation
can be more significant in fluvial valleys overlying shallow...
2013-10 (iso8601)
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Irrigation is essential for profitable agriculture in the western
United States. It is the largest consumer of water and power in
Oregon. Conflicting uses of water and power and their scarcity demands
judicious planning for allocation of these...
1980-08-15 (iso8601)
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Provides suggestions for ways to conserve irrigation water. Explains how to use the AgriMet crop water use charts. Provides general guidelines for irrigation methods, timing, and soil management.
2013-03 (iso8601)
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The agricultural production of peppermint has been shown to contribute significant quantities of nitrate-nitrogen to groundwater recharge. In an effort to provide new tools for increasing nitrogen efficiency within peppermint production, three...
1998-01-05 (iso8601)
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'Jubilee' sweet corn was grown under conventional tillage and
strip tillage in 1982 and under conventional tillage, strip tillage
and no-till culture in 1983. Effects on soil temperature,
stand establishment, plant development parameters, overall...
1984-08-02 (iso8601)
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Most irrigation water in Oregon is of excellent quality. Occasionally a deep well yields water that is too salty for irrigation, or contains constituents that are detrimental to plants or soils. Water can be of poor quality for irrigation because...
1990-02 (iso8601)
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In 2000 and 2001, research at the Central Oregon Agricultural Research Center in Madras, Oregon evaluated drip irrigation significant reduction in water
usage, increased seed yields, and a decrease in disease. As a result, drip irrigation was...
2004-11 (iso8601)
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Accurate irrigation scheduling maximizes the
benefits of irrigation while minimizing potential
negative impacts of over-irrigation or under irrigation.
1998-08 (iso8601)
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A study was conducted using data collected from a sample of mint and
vegetable farmers in the Willamette Valley of Oregon. The study identifies the
influence of demographic differences, economic factors and irrigator attitudes on
irrigation...
1994-09-09 (iso8601)
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This “walk-through” worksheet provides a method for making an organized inspection of an entire
irrigation system, both hydraulics and hardware. This inspection will help identify components that need
maintenance, repair, replacement, or other...
1986-01 (iso8601)
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Increasing water demand for growing municipalities, for water-based recreation
and for fishery and wildlife habitat has intensified pressure on the existing resource. Reallocation of water from existing uses to other, higher-valued uses is...
1996-10-21 (iso8601)
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I used current water management practices in central and eastern Oregon and Washington as natural experiments to quantify the effects of irrigation water withdrawals on macroinvertebrate community structure and life history strategies. Reduced...
2007-09-24T19:47:40Z (iso8601)
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Benefits of metering. In order for a secondary water system to justify metering, the benefits associated with metering must outweigh the costs of implementation. One of the greatest benefits of metering is the ability to manage water supplies....
2009-06-01
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