Index Catalog // ScholarsArchive@OSU

The effect of various management and policy options on the financial stress situation of Oregon grain and cattle producers

Creator:: Hewlett, John P.
Abstract:: Agricultural economists have devoted considerable attention to the financial stress situation of agricultural producers. Many studies have been conducted in various regions of the U.S. in an attempt to better understand the causes of the problem. The costs associated with farm financial stress imply corresponding benefits to be realized by...
Resource Type:: Masters Thesis
Full Text:: ALLEVIATING FARM FINANCIAL STRESS 28 OVERVIEW OF SIMULATION MODEL FOR THIS STUDY 33 3 DATA AND

An efficient specification and solution method of the even-aged rotation and thinning problem

Creator:: Paredes-Veloso, Gonzalo L.
Abstract:: The problem of determining an optimal sequence of decisions in even-aged stand management is analyzed and solved with an alternative to the traditional dynamic programming network. The new method is derived independently from two different approaches to the problem: Network optimization and generalized LaGrange multipliers. Both derivations are presented. It...
Resource Type:: Masters Thesis

The potential contribution of a diameter class matrix model to predict growth of mixed tropical forests

Creator:: Ebaa-Atyi, Richard
Abstract:: The study presents two main parts: first, a review of tropical silviculture and forest management systems and, second, the investigation of a growth and yield model which has some potential for application in the tropical region. The presentation of tropical silviculture includes: (1) an overview of the biological characteristics of...
Resource Type:: Masters Thesis

Sensitivity analysis of the Catchment Modeling Framework (CMF) and use in evaluating two agricultural management scenarios

Creator:: Metta, John W. P.
Abstract:: Abstract Watershed-scale fate/transport modeling of contaminants is a tool that scientists and land managers can use to assess pesticide contamination to stream systems. The Catchment Modeling Framework (CMF) is a catchment-scale fate/transport modeling tool. It was developed to help scientists and land managers assess the effects of possible land-use decisions...
Resource Type:: Masters Thesis
Full Text:: be run on those alternative conditions to model various management scenarios. Such studies have

Grid search based production switching heuristic for aggregate production planning

Creator:: Nam, Sang-jin
Abstract:: The Production Switching Heuristic (PSH) developed by Mellichamp and Love (1978) has been suggested as a more realistic, practical and intuitively appealing approach to aggregate production planning (APP). In this research, PSH has been modified to present a more sophisticated open grid search procedure for solving the APP problem. The...
Resource Type:: Masters Thesis
Full Text:: approaches, including Search decision rule (SDR) [Taubert 1968], Management coefficient model (MCM) [Bowman

An economic analysis of the onsite benefits and costs of reducing soil erosion through conservation tillage in the Camas Prairie region of northern Idaho

Creator:: Bauer, Steven Gerard
Abstract:: The onsite costs and benefits of conservation tillage in the Camas Prairie Region of Northern Idaho were estimated. The evaluation of these costs and benefits included a measurement of the long-term effects of soil erosion on cropland productivity. A model developed by Daniel Taylor (1982) was used as a base...
Resource Type:: Masters Thesis
Full Text:: through time. The ability of a mathematical simulation to model almost any farm situation can easily

Efficient heuristics for buffer allocation in closed serial production lines

Creator:: Vergara Arteaga, Hector A.
Abstract:: The optimal allocation of buffers in serial production systems is one of the oldest and most researched problems in Industrial Engineering. In general, there are three main approaches to the buffer allocation problem when the objective is to maximize throughput. The first is basically a systematic trial and error procedure...
Resource Type:: Masters Thesis
Full Text:: ........................................................................................... 44 3.1. Production Line Model and the Buffer Allocation Problem ..................... 44 3.1.1. The

Evaluation of models for estimating surface irrigation infiltration parameters : Data protocols and algorithm performance

Creator:: Isbell, Sarah A.
Abstract:: Often furrow irrigation application efficiencies are low compared to sprinkler systems. The primary goal of furrow irrigation is to infiltrate a relatively uniform target depth of water necessary for the crop, while minimizing the amount of runoff. The concept is difficult because water can infiltrate differently at all locations in...
Resource Type:: Masters Thesis

Equipment replacement prioritization measures : simulation and testing for a vehicle fleet

Creator:: Kriett, Phillip Oliver
Abstract:: Oregon Department of Transportation (ODOT) Fleet Services manages a fleet that in 2008 included approximately 5,000 pieces of active equipment worth $340–$390 million. Every biennium, a fixed budget is available to replace a certain amount of this equipment. This research evaluated various measures for establishing equipment replacement priorities. A model...
Resource Type:: Masters Thesis
Full Text:: research evaluated various measures for establishing equipment replacement priorities. A model was

Integrating real-time weather data with dynamic crop development models

Creator:: Donaldson, William S.
Abstract:: Crop development models are commonly used in research. However, their use as crop management tools for growers is rare. Decision support systems (DSS), which combine crop models with expert systems, are being developed to provide management assistance to growers. Researchers at Oregon State University are in the process of developing...
Resource Type:: Masters Thesis
Full Text:: model, allowing a grower to determine the profitability of different management options. While crop

ScholarsArchive@OSU

The effect of various management and policy options on the financial stress situation of Oregon grain and cattle producers

An efficient specification and solution method of the even-aged rotation and thinning problem

The potential contribution of a diameter class matrix model to predict growth of mixed tropical forests

Sensitivity analysis of the Catchment Modeling Framework (CMF) and use in evaluating two agricultural management scenarios

Grid search based production switching heuristic for aggregate production planning

An economic analysis of the onsite benefits and costs of reducing soil erosion through conservation tillage in the Camas Prairie region of northern Idaho

Efficient heuristics for buffer allocation in closed serial production lines

Evaluation of models for estimating surface irrigation infiltration parameters : Data protocols and algorithm performance

Equipment replacement prioritization measures : simulation and testing for a vehicle fleet

Integrating real-time weather data with dynamic crop development models

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