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Soybean

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Articles 211 - 222 of 222

Full-Text Articles in Agronomy and Crop Sciences

Grain Sorghum And Soybean Variety Tests On Reconstructed Prime Land - 1985, R. I. Barnhisel, Morris J. Bitzer, William O. Thom Apr 1986

Grain Sorghum And Soybean Variety Tests On Reconstructed Prime Land - 1985, R. I. Barnhisel, Morris J. Bitzer, William O. Thom

Agronomy Notes

Prime farmland disturbed by surface mining must by law be returned to a productivity level equal to that before mining. The coal operator has several test crops that can be selected to determine whether these production standards have been met before final bond release will be made. Grain sorghum and soybeans are two of the crops that may be used. The purposes of this research are (1) to determine the crop yield potential of restored prime farmland from surface mined areas, (2) to determine varietal adaptation on restored prime farmland as compared to non-mined prime farmland, and (3) to provide …

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Response Of Soybean Cultivars To Postemergence Herbicides, James R. Martin, W. W. Witt Jun 1982

Response Of Soybean Cultivars To Postemergence Herbicides, James R. Martin, W. W. Witt

Agronomy Notes

The acreage of soybeans treated with postemergence herbicides for broadleaf weed control has increased over the past few years. This trend has occurred because of inconsistent control of cocklebur (Xanthium pensylvanicum Wallr), giant ragweed (Ambrosia trifida L.), jimsonweed (Datura stramonium L.), and morningglory (Ipomoea hederacea (L.) Jacq. and Ipomoea purpurea (L.) Roth) with soil applied herbicides.

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Soybean Inoculant Quality, J. L. Sims, E. C. Lacefield, Lloyd W. Murdock Feb 1979

Soybean Inoculant Quality, J. L. Sims, E. C. Lacefield, Lloyd W. Murdock

Agronomy Notes

Research studies have shown that from 40 to 80 percent of the nitrogen required for a soybean crop comes from nitrogen fixed in the nodules, depending on the degree of nodulation and the level of soil nitrogen. Hence, it is important that soybean plants be well-nodulated for most efficient soybean production.

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Soybean Seed Quality Survey, Dennis M. Tekrony Jan 1974

Soybean Seed Quality Survey, Dennis M. Tekrony

Agronomy Notes

During the past four years soybean acreage has nearly tripled in Kentucky to 1.1 million acres in 1973. Even though the total acreage has increased substantially, the average yield per acre has declined slightly during the same period to 28 bushels per acre in 1973. Why this low statewide average yield when we know that some Kentucky farmers consistently produce yields of over 40 bushels per acre? Many factors can contribute to this problem including; improper use of herbicides and pesticides, inadequate soil fertility, non-adapted varieties, low quality planting seed, and timely management of all production practices. The objective of …

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The Influence Of Soil Temperature On Soybean Seed Emergence, Dennis B. Egli, J. L. Hatfield, J. Hill, Dennis M. Tekrony May 1973

The Influence Of Soil Temperature On Soybean Seed Emergence, Dennis B. Egli, J. L. Hatfield, J. Hill, Dennis M. Tekrony

Agronomy Notes

The best way to obtain adequate soybean stands is to plant high quality seed in an optimum soil environment. But this year many farmers may not be able to obtain enough high quality soybean seed and some acreage may be planted with seed of lower than normal quality. Thus it will be even more important to have an optimum soil environment.

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Preliminary Report, Soybean Performance Tests - 1971, Dennis B. Egli Dec 1971

Preliminary Report, Soybean Performance Tests - 1971, Dennis B. Egli

Agronomy Notes

The data presented below represent the preliminary results of the 1971 Soybean Performance Tests. A more complete version of the data, including data from previous years, will be published at a later date in "Results of the Kentucky Soybean Performance Tests - 1971."

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York Soybeans Added To Recommended List, Dennis B. Egli Apr 1970

York Soybeans Added To Recommended List, Dennis B. Egli

Agronomy Notes

York soybean, a pure line selection developed by the Virginia Agricultural Experiment Station from a cross of Dorman X Hood, was recently added to the recommended list for Kentucky. It was released jointly in 1967 by Virginia, Maryland, and North Carolina.

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Preliminary Report Soybean Performance Tests 1970, Dennis B. Egli Jan 1970

Preliminary Report Soybean Performance Tests 1970, Dennis B. Egli

Agronomy Notes

The data presented below represent the preliminary results of the 1970 Soybean Performance Tests . A more complete version of the data, including data from previous years , will be published at a later date in "Results of the Kentucky Soybean Performance Tests - 1970."

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Notice Of Release Of Custer Soybean, J. F. Shane, S. H. Phillips Mar 1967

Notice Of Release Of Custer Soybean, J. F. Shane, S. H. Phillips

Agronomy Notes

The Crops Research Division, Agricultural Research Service, and the cooperators listed above announce the release of a new phytophthora and cyst nematode-resistant soybean variety named Custer. Custer is the second cyst nematode-resistant variety to be released. It is earlier than the previously released variety Pickett.

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New Soybean Varieties, J. F. Shane, S. H. Phillips Jan 1966

New Soybean Varieties, J. F. Shane, S. H. Phillips

Agronomy Notes

Several new soybean varieties have been released during the past few months. Many have appeared in the Uniform Soybean Nurseries at Henderson or Fulton as number strains or named varieties. The following abbreviated descriptions may be of help in comparing these newer releases with more widely known material.

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The Effect Of Light On The Growth Of Soybean Seedlings, Mary Abrahamsen, T. W. Sudia Jan 1965

The Effect Of Light On The Growth Of Soybean Seedlings, Mary Abrahamsen, T. W. Sudia

Journal of the Minnesota Academy of Science

ABSTRACT- During the course of 13 days of germination and growth, the dry weights of roots, hypocotyl, and epicotyl increased in soybeans grown both in the light and in the· dark. The roots of etiolated 13-day-old soybeans were only 50 per cent of the weights of roots from similar plants grown in the light. The epicotyls of etiolated plants were only 18 per cent of the dry weight of epicotyls of light-grown plants, but the hypocoyl weights of etiolated plants were greater than those grown in the light. Cotyledon dry weight of light-grown plants was reduced by 70 per cent …

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The Gain By Echinochloa Crusgalli Of P-32 Lost From Roots Of Glycine Max, George E. Ahlgren, Theodore W. Suda Jan 1963

The Gain By Echinochloa Crusgalli Of P-32 Lost From Roots Of Glycine Max, George E. Ahlgren, Theodore W. Suda

Journal of the Minnesota Academy of Science

No abstract provided.

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