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Full-Text Articles in Agriculture

Results Of The Third International Winter Wheat Performance Nursery, J. E. Stroike, V. A. Johnson, J. W. Schmidt, P. J. Mattern, K. D. Wilhelmi Nov 1973

Results Of The Third International Winter Wheat Performance Nursery, J. E. Stroike, V. A. Johnson, J. W. Schmidt, P. J. Mattern, K. D. Wilhelmi

Historical Research Bulletins of the Nebraska Agricultural Experiment Station

This is the third report of results from an International Winter Wheat Performance Nursery (IWWPN) organized in 1968 by the Nebraska Agricultural Experiment Station and the Agricultural Research Service, U.S. Department of Agriculture, under a contract with the Agency for International Development, U.S. Department of State. The nursery was designed to (1) test the adaptation of winter wheat varieties in a range of latitudes, daylengths, fertility conditions, water management, and disease complexes; (2) identify superior winter varieties to serve as recipient genotypes for high protein and high lysine genes, and (3) test the degree of expression and stability of the …


Results Of Systematic Analyses For Protein And Lysine Composition Of Common Wheats (Triticum Aestivum L.) In The Usda World Collection, K. P. Vogel, V. A. Johnson, P. J. Mattern Nov 1973

Results Of Systematic Analyses For Protein And Lysine Composition Of Common Wheats (Triticum Aestivum L.) In The Usda World Collection, K. P. Vogel, V. A. Johnson, P. J. Mattern

Historical Research Bulletins of the Nebraska Agricultural Experiment Station

Protein and lysine contents of 12,613 common wheats of the USDA World Wheat Collection were determined in order to identify wheats that may be sources of genes for high protein and high lysine. Results indicate that significant genetic differences in protein and lysine content probably exist among world collection common wheats. Selection criteria have been developed for further evaluation of World Collection lines high in protein and lysine content.


Polyperiod Analyses Of Investment Strategy For Nebraska Grain-Livestock Farms, Glenn A. Helmers, Gary W. Lentz Oct 1973

Polyperiod Analyses Of Investment Strategy For Nebraska Grain-Livestock Farms, Glenn A. Helmers, Gary W. Lentz

Historical Research Bulletins of the Nebraska Agricultural Experiment Station

This study is directed toward investment strategies farm firms in the Great Plains may utilize to achieve their individual goals. Farm firm growth is considered important to the extent that firm growth represents movement toward meeting the behavioral goals of farm operators.


Beef Cattle - At What Weight Should They Be Sold?, Franz Schwarz, J. B. Hassler Jul 1973

Beef Cattle - At What Weight Should They Be Sold?, Franz Schwarz, J. B. Hassler

Historical Research Bulletins of the Nebraska Agricultural Experiment Station

Specific objectives of this study are: (1) To evaluate the recent historical price relationships of the beef sector indicative of profit and loss conditions caused by disorderly aggregate performance in production and marketing. (2) To analyze the risks involved at various positions in the chain of production and marketing activities. (3) To suggest information and action programs which could reduce the amount of disorderly production and marketing.


Seasonal Abundance Of The European Corn Borer Ostrinia Nubilalis (Hbn.) Within The North Central United States, R. E. Hill, H. C. Chiang, A. J. Keaster, W. B. Showers, G. L. Reed Jul 1973

Seasonal Abundance Of The European Corn Borer Ostrinia Nubilalis (Hbn.) Within The North Central United States, R. E. Hill, H. C. Chiang, A. J. Keaster, W. B. Showers, G. L. Reed

Historical Research Bulletins of the Nebraska Agricultural Experiment Station

Annual changes in corn borer populations in the North Central States were measured as a phase of a Regional Project, NC-20, entitled "Factors Influencing Corn Borer Populations" in Minnesota, Iowa, Kansas, Nebraska, Missouri and Ohio over a period of years. Standardized procedures were followed to estimate the seasonal abundance of the European corn borer, Ostrinia nubilalis (Hbn.), under cropping procedures in different locations within the North Central States. The primary purpose of the present bulletin is to present results for the 1965 to 1969 period and to compare these results with the previous 10 years and thus attempt to analyze …


Motion And Time Studies Of Milking Parlors And Routines, R. D. Appleman, C. F. Micke Mar 1973

Motion And Time Studies Of Milking Parlors And Routines, R. D. Appleman, C. F. Micke

Historical Research Bulletins of the Nebraska Agricultural Experiment Station

This study defines and describes the parameters of milking in both the elevated side-opening and herringbone style milking parlor. Included in this "motion and time" study are measurements of differences in milking routines or techniques, as well as the probable contribution of certain mechanical aids, including both crowd gates and group-washing systems. Milker (men) differences are also identified. Detailed measurements of time requirements for specific milking activities or chores are expensive to obtain. Very limited data are found in the scientific literature. This bulletin is published to supply resource data which may be used in planning milking parlors or as …