scholarly journals Constraints on Conservation Tillage under Dryland and Irrigated Agriculture in the United States Pacific Northwest

2017 ◽  
pp. 285-304 ◽  
Author(s):  
Robert E. Sojka ◽  
David L. Carter
Keyword(s):  
United States ◽  
Pacific Northwest ◽  
Conservation Tillage ◽  
The United States ◽  
Irrigated Agriculture

Role of economic analysis in the evaluation of new dryland technologies

1996 ◽  
Vol 11 (2-3) ◽  
pp. 127-131
Author(s):  
Douglas L. Young
Keyword(s):  
United States ◽  
Economic Analysis ◽  
Pacific Northwest ◽  
Crop Rotation ◽  
Weed Management ◽  
Conservation Tillage ◽  
The United States ◽  
Multidisciplinary Teams ◽  
Agricultural Systems ◽  
Systems Research

AbstractAn evaluation of agricultural systems often involves multidisciplinary teams that include crop scientists, animal scientists, soil scientists, pest control specialists, agricultural economists, and others. Agricultural economists can improve the technical quality and comprehe nsiveness of agricultural systems research in six major areas: budgeting and investment analyses; whole-farm and institutional factors; risk considerations; aggregate effects on crop and livestock prices; society-wide welfare effects of technical or policy changes; and economic values of environmental and other nonmarket effects. Economic analysis has been part of several successful multidisciplinary research efforts in the United States Pacific Northwest. These have covered soil conservation, integrated pest management, sustainable agriculture, crop rotation choice, and beef ranch management. As an example of institutional influences on economic outcomes, one study showed that the structure and selectivity of United States commodity programs have favored conventional over low-input rotations. Regarding risk management, an appropriate “package system” including conservation tillage, a diversified crop rotation, and adequate chemical weed management was shown both to sustain profitability and to reduce income fluctuations. Properly designed economic analysis can make similar contributions to identifying successful dryl and agricultural technologies throughout the world.

scholarly journals First record of Euxestonotus error (Hymenoptera: Platygastridae) in the Pacific Northwest, United States of America

2016 ◽  
Vol 148 (5) ◽  
pp. 616-618 ◽  
Author(s):  
E.R. Echegaray ◽  
R.N. Stougaard ◽  
B. Bohannon
Keyword(s):  
United States ◽  
New York ◽  
Pacific Northwest ◽  
United States Of America ◽  
First Record ◽  
The United States ◽  
Sitodiplosis Mosellana ◽  
Wheat Midge ◽  
The Pacific ◽  
Northwestern Montana

AbstractEuxestonotus error (Fitch) (Hymenoptera: Platygastridae) is considered part of the natural enemy complex of the wheat midge Sitodiplosis mosellana (Géhin) (Diptera: Cecidomyiidae). Although previously reported in the United States of America, there is no record for this species outside the state of New York since 1865. A survey conducted in the summer of 2015 revealed that E. error is present in northwestern Montana and is likely playing a role in the suppression of wheat midge populations.

Paleogeographic evolution of the United States Pacific Northwest during Paleogene time

1987 ◽  
Vol 24 (8) ◽  
pp. 1652-1667 ◽  
Author(s):  
Paul L. Heller ◽  
Rowland W. Tabor ◽  
Christopher A. Suczek
Keyword(s):  
United States ◽  
Pacific Northwest ◽  
Middle Eocene ◽  
The United States ◽  
Oceanic Islands ◽  
Local Source ◽  
Second Phase ◽  
Early Oligocene ◽  
Basin Development ◽  
Major Transition

Paleogeographic reconstructions for Oregon and Washington during Paleogene time illustrate a major transition from a dominantly compressional (prior to middle Eocene time) to an extensional tectonic regime. This transition resulted in the development of three phases of Paleogene basin evolution in the United States Pacific Northwest. During the initial phase, basins formed along the continental margin during collision of oceanic islands. Sediments in these basins were derived from nearby orogenic highlands. The second phase of basin development began in middle Eocene time and consisted of rapid subsidence of individual basins that formed within a broad forearc region. Nonmarine basins that formed during this phase were caused by extension possibly associated with transcurrent faulting. Rapid sedimentation in both marine and nonmarine basins during this time consisted dominantly of sandstone derived from Cretaceous plutonic sources far to the east. The final stage of basin development was the modification of previous basin configurations by the growth of the Cascade volcanic arc, which was initiated in early Oligocene time. The rising Cascade Range diverted streams carrying eastern-derived material, thereby reducing overall sedimentation rates in the coastal basins and providing a local source of volcanic detritus.

The Impact of Energy on the Adoption of Conservation Tillage in the United States

1998 ◽  
Vol 9 (5) ◽  
pp. 549-568
Author(s):  
Noel D. Uri
Keyword(s):  
United States ◽  
Crude Oil ◽  
Conservation Tillage ◽  
The United States ◽  
Structural Instability ◽  
Special Importance ◽  
The Real ◽  
Real Price ◽  
The Impact ◽  
The Relationship

The impact of energy on the adoption of conservation tillage is of special importance in addressing concerns about the effect of agricultural production on the environment in the United States. It is the subject of this paper. After establishing that a relationship exists between the price of energy and the adoption of conservation tillage via cointegration techniques, the relationship is quantified. It is shown that while the real price of crude oil, the proxy used for the price of energy, does not affect the rate of adoption of conservation tillage, it does impact the extent to which it is used. Finally, there is no structural instability in the relationship between the relative use of conservation tillage and the real price of crude oil over the period 1963 to 1997.

“How Can We Catch Fire?”

2021 ◽  
pp. 119-143
Author(s):  
Melanie C. Ross
Keyword(s):  
United States ◽  
African American ◽  
Pacific Northwest ◽  
Holy Spirit ◽  
The United States ◽  
Kingdom Of God ◽  
The Pacific ◽  
The Holy Spirit ◽  
Influence At Work ◽  
Vineyard Movement

Chapter 5 explores the Vineyard movement, one of the fastest-growing church movements in the United States, which is committed to holding together the “already” and “not yet” of the Kingdom of God in worship. In addition to looking for a dramatic, miraculous inbreaking of the Holy Spirit, there is a less dramatic but equally formative influence at work in worship: the Quaker notion of “gospel order” and its accompanying understanding of ethics. These commitments are tested at “Koinonia Vineyard,” a congregation located in the Pacific Northwest, where one African American member wrestles with her vision of activism and her Caucasian pastor’s desire for the congregation to remain politically neutral during a time of national racial unrest.

Integrated Control of Rush Skeletonweed (Chondrilla juncea) in the Western U.S.

Weed Science ◽  
1986 ◽  
Vol 34 (S1) ◽  
pp. 2-6 ◽  
Author(s):  
Gary A. Lee
Keyword(s):  
United States ◽  
Pacific Northwest ◽  
Integrated Control ◽  
Control Program ◽  
The United States ◽  
The Pacific ◽  
Rush Skeletonweed ◽  
Eurasian Species ◽  
Eastern Seaboard ◽  
Chondrilla Juncea

Rush skeletonweed (Chondrilla junceaL. CHOJU) infestations occur along the eastern seaboard and in several western states of the United States. This Eurasian species was inadvertently introduced prior to 1870, with established stands first reported in Maryland and West Virginia (16). These infestations (16) were assessed as lacking aggressive characteristics and posed little threat as a problem weed. Although rush skeletonweed was discovered in the Pacific Northwest as early as 1938, the species was not recognized as a potential weed problem until nearly three decades later (27). Subsequent surveys revealed that infestations occupied over 2.3 million ha in California, Idaho, Oregon, and Washington (6). Attempts to generate support for an organized control program in Idaho were met with little enthusiasm during the 1960's.

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