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Articles 1 - 21 of 21
Full-Text Articles in Life Sciences
Northeast Research Station Watertown, South Dakota Annual Progress Report, 1998, Agricultural Experiment Station, Plant Science Department
Northeast Research Station Watertown, South Dakota Annual Progress Report, 1998, Agricultural Experiment Station, Plant Science Department
Agricultural Experiment Station and Research Farm Annual Reports
This is the 1998 annual progress report for the Northeast Research Station in Watertown, South Dakota. This report is issued by the South Dakota Agricultural Experiment Station and the South Dakota State University Plant Science Department. This report includes information on the 1998 crop season, including: precipitation summary, small grain , corn, and soybean performance trials, flax and canola variety trials, spring and winter wheat breeding , soybean row space/population studies, performance of corn hybrids, corn yields, rotation studies and fungicide test.
Central Crops And Soils Research Station Highmore, South Dakota: Annual Progress Report, 1998, Agricultural Experiment Station
Central Crops And Soils Research Station Highmore, South Dakota: Annual Progress Report, 1998, Agricultural Experiment Station
Agricultural Experiment Station and Research Farm Annual Reports
This report of the Central Crops and Soils Research Station at Highmore, South Dakota is a progress report and, therefore, the results presented are not necessarily complete nor conclusive. Any interpretation given is tentative because additional data from continuation of these experiments may produce conclusions different from those of any one year. The data presented in this report reflect the 1998 growing season.
Southeast South Dakota Experiment Farm Annual Progress Report, 1998, Agricultural Experiment Station
Southeast South Dakota Experiment Farm Annual Progress Report, 1998, Agricultural Experiment Station
Agricultural Experiment Station and Research Farm Annual Reports
This thirty-eighth annual report of the research program at the Southeast South Dakota Experiment Farm has special significance for those engaged in agriculture and the agriculturally related businesses in the nine county area of southeast South Dakota. Reports in this document include information on: temperatures and precipitation data, corn production and performance, soybean research and planting, soil testing, alfalfa yield test, fertilizer testing, herbicide research, crop rotation, sorghum, small grains, livestock research, and pest and weed control.
Field Scale Variability Of Nitrogen And Δ15n In Soil And Plants, D. E. Clay, J. Chang, S. A. Clay, M. Ellsbury, C. G. Carlson, D. D. Malo, D. Woodson, T. Desttur
Field Scale Variability Of Nitrogen And Δ15n In Soil And Plants, D. E. Clay, J. Chang, S. A. Clay, M. Ellsbury, C. G. Carlson, D. D. Malo, D. Woodson, T. Desttur
Agronomy, Horticulture and Plant Science Faculty Publications
Understanding the factors that influence soil and plant nitrogen (N) spatial variability may improve our ability to develop management systems that maximize productivity and minimize environmental hazards. The objective of this study was to determine the field (65 ha) scale spatial variability of N and δ15N in soil and corn (Zea mays). Soil, grain, and stover samples were collected from grids that ranged in size from 30 by 30 m to 60 by 60 m. Plant samples, collected following physiological maturity in 1995, were analyzed for total N and δ15N. Soil samples, collected prior …
South Dakota Farm And Home Research, South Dakota State University
South Dakota Farm And Home Research, South Dakota State University
South Dakota Farm and Home Research: 1949 -1998
Kephart named acting associate director: 12-year forage researcher and "teacher of the year" has accepted new position as Experiment Station administrator [p] 2
Director's comments: People at the controls may change, Cholick says, ways of conducting research may change, but mandate to serve remains. [p] 3
Goal: a variety for any biostress: Winter wheat researcher would like a crystal ball; failing that. he relies on educated guesses to prepare future varieties for producers. [p] 4
The benefits of buffer: Team turns from research to demonstration to show producers the environmental and economic advantages of protected wetlands. [p] 7
And the …
Sunflower Seed Marketing Patterns In South Dakota: Regional Variations, Bashir Qasmi
Sunflower Seed Marketing Patterns In South Dakota: Regional Variations, Bashir Qasmi
Economics Research Reports
U.S. Agriculture is going through a transition. Federal spending on farm programs is being curtailed and agricultural policies are being modified to make production of farm commodities responsive to market forces. In this competitive environment, efforts by the commodity groups for market development are becoming i:q.creasingly more important. However, to devise any market development plan for a commodity, understanding of the present status of the marketing system is important. At a minimum, one needs to know the methods of purchase and sale, types of buyers, shipment destinations, and transportation modes for the commodity. These aspects of grain marketing in South …
Diversity And Dominant Species Of Ground Beetle Assemblages (Coleoptera: Carabidae) In Crop Rotation And Chemical Input Systems For The Northern Great Plains, Michael M. Ellsbury, Janine E. Powell, Frank Forcella, W. David Woodson, Sharon A. Clay, Walter E. Riedell
Diversity And Dominant Species Of Ground Beetle Assemblages (Coleoptera: Carabidae) In Crop Rotation And Chemical Input Systems For The Northern Great Plains, Michael M. Ellsbury, Janine E. Powell, Frank Forcella, W. David Woodson, Sharon A. Clay, Walter E. Riedell
Agronomy, Horticulture and Plant Science Faculty Publications
Dominant carabid species present in crops and crop rotation sequences commonly used in the northern Great Plains were assessed as an initial step toward the management of carabids as natural control agents. Ground beetle populations were determined by pitfall trapping in 4 crop rotation treatments maintained under high, managed, and low levels of chemical fertilizer and pesticide inputs. Diversity and species richness among crops, rotations, and input levels were compared using 3 indices—the Shannon-Weaver Index, relative diversity, and the Hierarchical Richness Index (HRI). Four carabid species, Cyclotrachelus altemans (Casey), Poecilvs lucublandus Say, Harpalns pensylvanicus (DeGeer), and Bembidion quadrimaculatum L., comprising …
1999 Winter Wheat Budgets For South Dakota, Department Of Economics
1999 Winter Wheat Budgets For South Dakota, Department Of Economics
Economics Pamphlet Series
No abstract provided.
The Mortenson Ranch: Cattle And Trees At Home On The Range. A Restoration Guidebook, Susan E. Boettcher, W. Carter Johnson, Scott Kronberg, F. Robert Gartner, Clarence Todd, Jeff Mortenson, Scott Fausti
The Mortenson Ranch: Cattle And Trees At Home On The Range. A Restoration Guidebook, Susan E. Boettcher, W. Carter Johnson, Scott Kronberg, F. Robert Gartner, Clarence Todd, Jeff Mortenson, Scott Fausti
Natural Resource Management Faculty Publications
Early agriculture on western rangeland met with little success and resulted in serious consequences including soil erosion, loss of native woodlands and wildlife, and economic ruin. The Mortenson family in Stanley County, South Dakota, has been engaged in restoring degraded rangeland on their ranch for more than 50 years. Their primary goal has been to return the land to its condition prior to white settlement while maintaining a profitable cattle ranching operation. In recent years the ranch has served as a model of successful ranching based on a conservation ethic. This guidebook summarizes the restoration techniques and grazing regime used …
Diversity And Dominant Species Of Ground Beetle Assemblages (Coleoptera: Carabidae) In Crop Rotation And Chemical Input Systems For The Northern Great Plains, Michael M. Ellsbury, Janine E. Powell, Frank Forcella, W, David Woodson, Sharon A. Clay, Walter E. Riedell
Diversity And Dominant Species Of Ground Beetle Assemblages (Coleoptera: Carabidae) In Crop Rotation And Chemical Input Systems For The Northern Great Plains, Michael M. Ellsbury, Janine E. Powell, Frank Forcella, W, David Woodson, Sharon A. Clay, Walter E. Riedell
Agronomy, Horticulture and Plant Science Faculty Publications
Dominant carabid species present in crops and crop rotation sequences commonly used in the northern Great Plains were assessed as an initial step toward the management of carabids as natural control agents. Ground beetle populations were determined by pitfall trapping in 4 crop rotation treatments maintained under high, managed, and low levels of chemical fertilizer and pesticide inputs. Diversity and species richness among crops, rotations, and input levels were compared using 3 indices—the Shannon-Weaver Index, relative diversity, and the Hierarchical Richness Index (HRI). Four carabid species, Cyclotrachelus altemans (Casey), Poecilvs lucublandus Say, Harpalns pensylvanicus (DeGeer), and Bembidion quadrimaculatum L., comprising …
Corn And Soybean Basis Patterns For Selected Locations In South Dakota: 1998, Bashir Qasmi, Lisa A. Johnson
Corn And Soybean Basis Patterns For Selected Locations In South Dakota: 1998, Bashir Qasmi, Lisa A. Johnson
Economics Research Reports
For successful marketing and merchandising in commodity markets, it is important to understand the relationship between cash and futures contract prices. The principal measure for relating cash and futures price is local cash basis or "Basis''.
Geostatistical Characterization Of The Spatial Distribution Of Adult Corn Rootworm (Coleoptera: Chrysomelidae) Emergence, M. M. Ellsbury, W. D. Woodson, S. A. Clay, D. D. Malo, J. Schumacher, D. Clay, C. G. Carlson
Geostatistical Characterization Of The Spatial Distribution Of Adult Corn Rootworm (Coleoptera: Chrysomelidae) Emergence, M. M. Ellsbury, W. D. Woodson, S. A. Clay, D. D. Malo, J. Schumacher, D. Clay, C. G. Carlson
Agronomy, Horticulture and Plant Science Faculty Publications
Geostatistical methods were used to characterize spatial variability in western ( Diabrotica virgifera virgifera LeConte) and northern ( Diabrotica barberi Smith & Lawrence) corn rootworm adult emergence patterns. Semivariograms were calculated for adult emergence density of corn rootworm populations in fields of continuous corn and rotated (corn/soybean) corn. Adult emergence densities were generally greater for northern corn rootworms than for western corn rootworms. The spatial structures of the adult rootworm emergence were aggregated as described by spherical spatial models for western corn rootworm and exponential models for northern corn rootworm. Range of spatial dependence varied from 180 to 550 m …
The Orgins Of The Seasonal Cycle In 19th Century Us Money Markets And The Evolution Of Futures Contracts, Joseph Santos
The Orgins Of The Seasonal Cycle In 19th Century Us Money Markets And The Evolution Of Futures Contracts, Joseph Santos
Economics Research Reports
Early scholars of aggregate fluctuations, including Jevons ( 1884) and Kemmerer ( 1910), introduced the notion that seasonal cycles were relevant to the study of other, seemingly more important, fluctuations in macroeconomic time series. Kuznets (1933) continued this approach, recognizing the tendency for seasonal variations to exacerbate the variability of employment and capital accumulation. But, as economic contractions intensified in the J 930's, economists began to discount the relative importance of the seasonal cycle. Work by Mitchell (1927), Pigou (I 929) and later, Burns and Mitchell ( 194 7), promulgated the view that fluctuations in commercial activity were relevant to …
South Dakota Farm And Home Research, South Dakota State University
South Dakota Farm And Home Research, South Dakota State University
South Dakota Farm and Home Research: 1949 -1998
Director's comments: Consumers are the ultimate beneficiaries of agricultural research, but how do we convince them of the value of our work? [p] 2
Southeast South Dakota Experiment Farm: Questions answered lead to more questions asked. This exchange keeps farm "out front" in agricultural scientific issues. [p] 4
Southeast Farm adds value to swine industry: ·swine research at the station is expanding; latest addition is a hoop barn. [p] 7
The fat little research mouse: Who gets worked up about lab mice anyway? Producers do, when scientists show that mouse and pig have genes for meat quality in common. [p] …
Corn And Soybeans Marketing Patterns In South Dakota: Regional Variations, Bashir Qasmi
Corn And Soybeans Marketing Patterns In South Dakota: Regional Variations, Bashir Qasmi
Economics Research Reports
U.S. Agriculture is going through a transition. Federal spending on farm programs is being curtailed and agricultural policies are being modified to make production of farm commodities responsive to market forces. In this competitive environment, efforts by the commodity groups for market development are becoming increasingly more important. However, to devise any market development plan for a commodity, understanding of the present status of the marketing system is important. At a minimum, one needs to know the methods of purchase and sale, types of buyers, shipment destinations, and transportation modes for the commodity. These aspects of grain marketing in South …
Comparison Of Organic And Conventional Crop Prices: 1995 To 1997, Thomas L. Dobbs, Lisa M. Carr
Comparison Of Organic And Conventional Crop Prices: 1995 To 1997, Thomas L. Dobbs, Lisa M. Carr
Economics Pamphlet Series
Organic industry sales by United State (US) natural product distributors have been growing at more than 20 percent annually during the 1990s. Demand growth for certified organic agricultural commodities has been strong both in the us and abroad. For example, Japan's demand for organically grown us soybeans has been especially strong in recent years. This growth in demand, together with growing concerns about the profitability and ecological sustainability of more "conventional" farming systems in some areas, is causing new interest in organic agriculture. Therefore, as part of our sustainable agriculture research program in the Economics Department at South Dakota State …
South Dakota Farm And Home Research, South Dakota State University
South Dakota Farm And Home Research, South Dakota State University
South Dakota Farm and Home Research: 1949 -1998
Director's comments: the frontline conservationists [p] 1
Cooperative unit [p] 2
Pharming with a PH [p] 5
Well worth the effort [p] 7
China and South Dakota exchange crop information [p] 9
Waging war on biostress [p] 10
Bringing professionalism to childcare [p] 12
The scud's deformities are linked to water [p] 15
Real-world work for engineering students [p] 17
Crop performance testing [p] 19
Students check out job market [p] 20
Leafy Spurge Biological Control Using Black Dot Flea Beetles And Deleterious Rhizobacteria: Final Report Submitted To South Dakota Department Of Agriculture Weed And Pest Control, Sharon A. Clay, Mark A. Brinkman, Robert J. Kramer, Jan J. Jackson, Nels H. Granholm
Leafy Spurge Biological Control Using Black Dot Flea Beetles And Deleterious Rhizobacteria: Final Report Submitted To South Dakota Department Of Agriculture Weed And Pest Control, Sharon A. Clay, Mark A. Brinkman, Robert J. Kramer, Jan J. Jackson, Nels H. Granholm
Agronomy, Horticulture and Plant Science Faculty Publications
Size of leafy spurge (Euphorbia esula L) roots and their location in the soil profile are important factors relating to survival offirst-instar black dot flea beetle (Aphthona nigriscutis Foudras) larvae. First-instar larvae must find leafy spurge roots between 1 to 4 mm diam in the first 2 days after hatching from eggs for survival. In field studies, we ddermined that most flea beetle larvae reside within 7.6 em ofthe soil surface. Their location in the upper areas ofthe soil profile allows accessibility to desirable size roots, however the larvae are more susceptible to freezing temperatures in this region. Overall, there …
Central Crops And Soils Research Station Highmore, South Dakota: Annual Progress Report, 1997, Agricultural Experiment Station, Plant Science Department
Central Crops And Soils Research Station Highmore, South Dakota: Annual Progress Report, 1997, Agricultural Experiment Station, Plant Science Department
Agricultural Experiment Station and Research Farm Annual Reports
This is the 1997 progress report for the Central Crops and Soils Research Station at Highmore, South Dakota State College. This document represents the research conducted at the Station during the 1997 crop season including: weather data, alfalfa cultivar yield test, wheat breeding, crop performances trials, alfalfa establishment models, fertilizer and soil effects on soybean yields, weed control, no-till corn demonstrations, coybean crop tolerance, rotational crop improvment, recrop after winter wheat, weed control in sorghum, no-till sorgum demonstartion, and an evaluation of woody plant materials.
Dairy Digest 1997-1998, South Dakota State University Dairy Club
Dairy Digest 1997-1998, South Dakota State University Dairy Club
Dairy Digest
No abstract provided.
South Dakota Farm And Home Research, South Dakota State University
South Dakota Farm And Home Research, South Dakota State University
South Dakota Farm and Home Research: 1949 -1998
Director's comments The 'how' and 'what' change, the 'why' is our guide [p] 1
Cross-college research team knows state's cow~calf producers are No. 1. Now they're out to ...Prove it [p] 2
Researchers grooming corns for niche markets: two specialty crops have promise for value-added bonus in South Dakota [p] 4
New varieties boost economy: Development of new plants is a genuine pocketbook issue for state's towns, farms [p] 7
South Dakota has double interest in this research we produce the crop and we are at high risk for the heart disease it can prevent: Soy food research is hot …