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Articles 211 - 217 of 217
Full-Text Articles in Agriculture
Contents, Discovery Editors
Contents, Discovery Editors
Discovery, The Student Journal of Dale Bumpers College of Agricultural, Food and Life Sciences
No abstract provided.
Continued Ddt Persistence In Mississippi River Delta Streams: A Case Study, Stephen A. Sewell, Luther A. Knight Jr.
Continued Ddt Persistence In Mississippi River Delta Streams: A Case Study, Stephen A. Sewell, Luther A. Knight Jr.
Journal of the Arkansas Academy of Science
Fish samples representative of several trophic levels were taken from the Wolf and Loosahatchie Rivers of western Tennessee during the early 1980s. Results indicate that DDT, with metabolites DDD and DDE, remains common in fish tissues in these areas and approaches the levels recommended as maxima for human consumption by the U.S. Food and Drug Administration. Samples of top carnivores and forage fishes, particularly the gizzard shad, Dorosoma cepedlanum, commonly exceeded 500 ppb DDE. The results are discussed in light of sediment disturbing activities.
Economics Of Rainbow Trout Production In Arkansas, Walter R. Robison, Scott H. Newton
Economics Of Rainbow Trout Production In Arkansas, Walter R. Robison, Scott H. Newton
Journal of the Arkansas Academy of Science
No abstract provided.
Composition Of Arkansas Grapes During Maturation, Cameron Jones, Dominic T.C. Yang, Thomas O. Whitley
Composition Of Arkansas Grapes During Maturation, Cameron Jones, Dominic T.C. Yang, Thomas O. Whitley
Journal of the Arkansas Academy of Science
Changes in organic acid and glucose content during maturation and ripening of grapes grown in Arkansas in 1973 are shown for four French hybrid varieties, S5279, S10878, SV23- 657, and S13053, and for four rotundifolia varieties, Scuppernong, Tarheel, Fry, and Magoon. In all varieties the concentrations of malates and tartrates were highest in the early stages of berry growth after veraison. During ripening the titratable acidity decreased and Balling and pH measurements increased. Although varieties reached maturity on different dates, changes in parameters followed similar curves typical for grapes of the species but occurring over a short period (Johnson and …
Model For Estimating The Probability Of Crop Production For Ginkgo Biloba L., Michael I. Johnson
Model For Estimating The Probability Of Crop Production For Ginkgo Biloba L., Michael I. Johnson
Journal of the Arkansas Academy of Science
Mature female Maidenhair trees (Ginkgo biloba L.)have been observed to produce seed dispersal units in some years and none in other years. A temperature and/or photoperiod flowering threshold is suggested. Daily temperatures and daylengths at five Ginkgo sites in continental U.S. for January-April 1964-1974 were evaluated. A computer program was designed to estimate daily photothermal equivalent (PTE = temperature and photoperiod), and the magnitude and duration of the PTE in relation to a series of photothermal constants. Use of the data from production and nonproduction years provided a mathematical model for prediction of dispersal unit production. The model was tested …
Economic Contradictions In The Process Of Western European Integration, Marion L. Piotrowski
Economic Contradictions In The Process Of Western European Integration, Marion L. Piotrowski
Journal of the Arkansas Academy of Science
No abstract provided.
Home Demonstration Work In Arkansas, Mrs. J. Howard Crawford
Home Demonstration Work In Arkansas, Mrs. J. Howard Crawford
Journal of the Arkansas Academy of Science
No abstract provided.