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276 - 300 of 1758 Items << < 7 8 9 10 11 12 13 14 15 16 > >>
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The North Unit irrigation District of Central Oregon,
a water project developed under the guidelines of the
Bureau of Reclamation, is characterized by limited water
and the need for efficient utilization and control of the
irrigation system. To...
1980-05-05 (iso8601)
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This publication discusses the use of granular matrix sensors (GMS) for monitoring soil moisture content. It explains how to install GMS and use the recorded data for irrigation scheduling.
2013-03 (iso8601)
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The influence of irrigation frequency (same amount of water per day given at different times) and nitrogen (N) fertilizer rate on water stress [stomatal conductance (gs)], N uptake, and growth (biomass) of container-grown evergreen Rhododendron...
2011-12 (iso8601)
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Phytophthora pini Leonian, recently re-established from P. citricola
I, is a pathogen with a wide range of forest and nursery hosts. It causes foliar
infections in horticultural nurseries in Oregon, where recirculating irrigation
systems are...
2012-08-31 (iso8601)
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The influence of irrigation frequency (same amount of water per day given at different times) on nutrient uptake of container-grown evergreen Rhododendron ‘P.J.M. Compact’ (PJM) and ‘English Roseum’ (ER) and deciduous Rhododendron ‘Gibraltar’ (AZ)...
2012-02 (iso8601)
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In recent years we have seen increasing debate over
the allocation of PNW water resources. In particular there
are conflicts over using the river system for irrigation
vs. electricity production. Denying the hydroelectric
system water implies...
1984-05-25 (iso8601)
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Introduction of later maturing cultivars of perennial ryegrass (Lolium perenne
L.) places more seed production fields in a period of drought common to Oregon
during vital stages of reproductive development. During these stages, the final yield of...
2004-11-15 (iso8601)
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1956-03-20 (iso8601)
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One of the most important tools we have been using at the Malheur Agricultural Experiment Station over the past two decades is the granular matrix sensor (GMS, Watermark Soil Moisture Sensor, Irrometer Co., Riverside, CA), which measures soil...
2005-11 (iso8601)
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The Wood River Basin lies upstream of Upper Klamath Lake, the main reservoir of the USBR Klamath Irrigation Project that provides irrigation water to 210,000 acres of downstream land. Water allocation became a contentious issue in 2001 when...
2010-07-09T22:09:14Z (iso8601)
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Various vineyard practices influence the quality of a wine. In 1999, three levels of nitrogen (N), two levels of tillage and two levels of irrigation were applied to Pinot noir grape cultivars at Benton Lane Vineyards in the Southern Willamette...
2000-05-11 (iso8601)
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A study was conducted to identify methods of achieving uniform flow distribution in compact irrigation splitter boxes over a wide range of flows but specifically operating at high flow rates. The hydraulic issues resulting from high flow rates in...
2016-10-26
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This manual describes an interactive computer model, CANOl. CANOl is a decision support tool designed to aid in on-farm pesticides and irrigation management. CANOl simulates downward chemical movement through the soil in response to different...
1993-01-01
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CANDI software is designed to aid in the management of agricultural pesticides and irrigation system design while considering the potential for groundwater contamination. The authors describe the different modules and features of CANDI and show...
1995-02-01
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