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Articles 1 - 5 of 5
Full-Text Articles in Agriculture
Economic Implications Of Alternative Dry-Bulk Fertilizer Supply Systems: A South-Central Nebraska Case Study, Mary Berglund, Dale G. Anderson
Economic Implications Of Alternative Dry-Bulk Fertilizer Supply Systems: A South-Central Nebraska Case Study, Mary Berglund, Dale G. Anderson
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
This study analyzed the economic implications of alternative patterns of rail service for a case-study area in south-central Nebraska. Special attention was given to effects of branchline abandonments on the delivery system for dry-bulk fertilizer. The study was an extension of an earlier Nebraska track abandonment study which focused only on grain traffic. The purpose of the latest study was to establish the effect of including dry-bulk fertilizer, the major commodity moving into the area by rail, on the earlier results. The addition of fertilizer to the analysis did not appreciably change the outcome of the earlier grain-oriented study.
Effects Of No-Tillage Fallow As Compared To Conventional Tillage In A Wheat-Fallow System, C. R. Fenster, G. A. Peterson
Effects Of No-Tillage Fallow As Compared To Conventional Tillage In A Wheat-Fallow System, C. R. Fenster, G. A. Peterson
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
The benefits of reducing tillage by use of herbicides for weed control emphasizes why research was started to study a fallow system where all tillage was replaced by herbicides. Wheat planting was then the only soil disturbing operation. Objectives of the research were to compare the effects of no-tillage (chemical), stubble-mulch and plow (bare fallow) systems of fallow on: 1. Grain yield. 2. Grain protein. 3. Residue retention. 4. Soil nitrate-nitrogen accumulation. 5. Soil water accumulations during fallow. Data presented are in the form of a progress report. These experiments will continue.
Results Of The Ninth International Winter Wheat Performance Nursery Grown In 1977, S. L. Kuhr, K. D. Wilhelmi, V. A. Johnson, P. J. Mattern, J. W. Schmidt
Results Of The Ninth International Winter Wheat Performance Nursery Grown In 1977, S. L. Kuhr, K. D. Wilhelmi, V. A. Johnson, P. J. Mattern, J. W. Schmidt
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
This is the ninth report of results from an International Winter Wheat Performance Nursery (IWWPN) organized in 1968 by the Nebraska Agricultural Experiment Station and the Science and Education Administration (SEA), 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 and stability of winter wheat cultivars in a range of latitudes, daylengths, fertility conditions, water management regimes, and disease complexes; (2) identify superior winter cultivars to serve as recipient genotypes for high protein and high lysine genes, (3) test the degree of expression …
Simulation Studies Of Corn Hybrid-Climate Response In Nebraska, R. E. Neild, N. H. Richman
Simulation Studies Of Corn Hybrid-Climate Response In Nebraska, R. E. Neild, N. H. Richman
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
Crop development models can be used to determine the expected phenological responses of corn hybrids to different planting dates and locations. The number of days from planting to maturity for a particular hybrid varies considerably between different dates of planting at a single location and between locations at the same planting date.
A Forecasting-Programming Method For Placement-Sales Decisions For A Beef Feedlot, Franz Schwarz, J. B. Hassler
A Forecasting-Programming Method For Placement-Sales Decisions For A Beef Feedlot, Franz Schwarz, J. B. Hassler
Historical Research Bulletins of the Nebraska Agricultural Experiment Station
This bulletin reports on a practical multi-period linear programming procedure as a management tool for decisions on placements and marketings for a beef feedlot operating over time under market uncertainty. Although the conclusions were based on application to an individual firm with uniqueness in time and space, the model should be equally appropriate for any firm's production and marketing decisions through time.