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Population Models to Appraise the Limitations and Potentialities of Trichogramma in Managing Host Insect Populations
Knipling, E. F.; McGuire, J. U. Jr - Economic Research Service, Department of Agriculture - 1968
Persistent link: https://www.econbiz.de/10011212115
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A Study of Methods in Barley Breeding
Harlan, H. V.; Martini, Mary L. - Economic Research Service, Department of Agriculture - 1940
Persistent link: https://www.econbiz.de/10011199795
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Effect of Temperature and Photoperiod on the Biology of Blue Alfalfa Aphid, Acyrthosiphon kondoi Shinji
Kodet, R. T.; Nielson, M. W.; Kuehl, R. O. - Economic Research Service, Department of Agriculture - 1982
The developmental and reproductive biology of the blue alfalfa aphid, Acyrthosiphon kondoi Shinji, was studied under 15 temperature/photoperiod regimes. Five temperatures (10°,15°,20°,25°, 30°C) and three photophases (8, 12,16 h per 24 h) were utilized in controlled environmental chambers....
Persistent link: https://www.econbiz.de/10011070621
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Size and Distribution of Market Benefits from Adopting Biotech Crops
Price, Gregory K.; Lin, William W.; Falck-Zepeda; … - Economic Research Service, Department of Agriculture - 2003
Persistent link: https://www.econbiz.de/10011098033
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Field Studies on the Rust Resistance of Oat Varieties
Levine, Moses N.; Stakman, E. C.; Stanton, T. R. - Economic Research Service, Department of Agriculture - 1930
Persistent link: https://www.econbiz.de/10011098047
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Performance of Two-Clone Crosses in Alfalfa and an Unanticipated Self-Pollination Problem
Hanson, C.H.; Graumann, H.O.; Elling, L.J.; Dudley, J.W.; … - Economic Research Service, Department of Agriculture - 1964
Persistent link: https://www.econbiz.de/10011186179
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A taxonomic Study of Saccharium Sinense Roxb. and S. Barberi Jeswiet
Artschwager, Ernst - Economic Research Service, Department of Agriculture - 1953
Persistent link: https://www.econbiz.de/10011105617
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Measuring Seepage From Irrigation Channels
Robinson, A. R.; Rohwer, Carl - Economic Research Service, Department of Agriculture - 1959
Persistent link: https://www.econbiz.de/10010882610
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A Revision of the Genus Petalium LeConte in the United States, Greater Antilles, and the Bahamas (Coleoptera: Anobiidae)
Ford, E. J. Jr. - Economic Research Service, Department of Agriculture - 1973
Persistent link: https://www.econbiz.de/10010882617
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Experiments With Annual Crops and Permanent Pastures to Provide Grazing for Dairy Cows in the Sandhill Region of the Southeast
Faires, E. W.; Dawson, J. R.; LaMaster, J. P.; Wise, G. H. - Economic Research Service, Department of Agriculture - 1941
Persistent link: https://www.econbiz.de/10010882631