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Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 16 of 16 for “"DSSAT"”.
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Relationship between Aspalathus linearis (Burm. F.) R. Dahlgren (rooibos) growth and soil moisture in a glasshouse and in the DSSAT-CSM crop model
… conditions, 2) to adapt the CROPGRO model in DSSAT to simulate the shoot biomass yield of rooibos, using the rooibos CROPGRO model, 3) to investigate the effect of rooibos growth on soil moisture, and 4) to determine the effect of different levels of mulching and irrigation on rooibos yield …
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An Approach to Using Labile Soil Nitrogen Measurements for Calibration of the Dssat-Century Agroecosystem Model for Site-Specific Nitrogen Fertilizer Management in Illinois, Unites States
Finally, the DSSAT-CENTURY was employed to investigate whether it was possible to develop relationships between the modeled variables and soil N fractions as the ISNT. If such relationships can be identified, it should be possible to use site-specific measurements of soil N fractions to better …
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The impacts of research on Philippine rice production
… a hybrid rice variety was adopted. Using the DSSAT model, I determined the yield responses of hybrid and inbred rice varieties to different levels of nitrogen, potassium, and water applications. I estimated hybrid and inbred yield response functions using the DSSAT-generated yield data. Using …
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Assessing long-term conservation of groundwater resources in the Ogallala Aquifer Region using hydro-agronomic modeling
… i) to develop a linked modeling system between DSSAT, an agronomic model, and MODFLOW, a groundwater flow model to be used for evaluating long-term impacts of climate and management strategies on water use efficiency and farm profitability of agricultural systems while managing groundwater …
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Multi-agent system for future groundwater depletion scenarios using game theory
… and economic data of the region, along with the DSSAT software, have been used to obtain these futuristic projections. These scenarios include temperature increase, lowering of the water table, different precipitation levels, and different price increases for the crops. One of the emergent …
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Evaluación del posible cambio climático sobre el rendimiento potencial del cultivo del maiz (Zea mays L.) en la región central de Nicaragua
… para la Transferencia de Agrotecnología (DSSAT v3.S) el cual ha sido desarrollado por investigadores de la Red de Sitios Indicadores Internacionales para la Transferencia de la Agrotecnologia (ffiSNA T). En el modelo se introdujo toda la información climática, edáfica y del manejo del …
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Economic Analysis of Beneficial Management Practices in Corn and Soybean Production under Different Climate Change Scenarios in Quebec and Ontario
… Support System for Agrotechnology Transfer (DSSAT) model and financial indicators such as Net Present Value (NPV), Benefit-Cost Ratio (BCR), and Internal Rate of Return (IRR), the financial performance of the BMP technology in comparison to the base technology was assessed. The research …
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Análisis del efecto del cambio climático sobre el rendimiento del cultivo frijol (Phaseolus vulgaris L.) en la región central de Nicaragua
… aplicando el modelo de simulación de cultivos (DSSATv3) en la región central (Estelí, San Juan de Limay, Jalapa, Pantasma, Ocotal, San Isidro, Tipitapa,) basándose en los escenarios climáticos, con este fin se utilizo como herramienta de investigación CROPGRO- Dry Bean de simulación del cultivo …
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Exploring the potential of using remote sensing data to model agricultural systems in data-limited areas
… to use CMs. As such, the study calibrated the DSSAT-CERES-Maize model using two generic soils (i.e. heavy clay soil and medium sandy soil) which were selected based on literature, to measure soil moisture from 1985 to 2015 in Bloemfontein. Using the data assimilation approach, the model's soil …
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Integrated Model Development for the Assessment of Food Security in China Related to Climate Change and Adaptation
… Support System for Agrotechnology Transfer (DSSAT) model in order to investigate the impacts of climate change on physical production of a crop only related to environmental factors. The food economic model was developed from a partial equilibrium economic model, China's Agricultural Policy …
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Evaluación del impacto de los cambios climáticos sobre el rendimiento potencial del cultivo de la soya (Glycine max) en el Pacífico de Nicaragua
… para la transferencia de Agrotecnologia (DSSAT). La herramienta ha sido utilizada con el objetivo de evaluar la incidencia de los Cambios Climáticos ante el comportamiento de los rendimientos potenciales del cultivo. Para ello fue necesario utilizar una serie de información de suelo, …
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Impacto e projeção de séries meteorológicas na safra de milho em Minas Gerais
… de Suporte para Transferência de Agrotecnologia (DSSAT v.4.5) - confrontando os valores simulados com registros oficiais da EMATER (MG)/IBGE/ CONAB. O avanço tecnológico regional, no presente, foi estabelecido por meio de análise em "yield gap". Por fim, para contemplar respostas da planta com …
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Integration of seasonal forecast information and crop models to enhance decision making in small-scale farming systems of South Africa
… Support System for Agrotechnology Transfer (DSSAT) v4.7, a mechanistic crop model based on the Global Climate Model (GCM) approach. The GCM approach was the most appropriate technique for integrating seasonal forecast information and the crop model due to the compatibility in the forecast and …
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Informing on Crop Water-Use, Stress, and Growth with Integrated Satellite Remote Sensing and Modeling
<p>Improving crop monitoring, both spatially and temporally, is a key factor in adapting agriculture to the effects of seasonal variability and climate change. Since 2014, numerous space-based remote sensing platforms have been deployed to increase land surface monitoring, with an objective to …
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Modeling the impact of cereal rye as a winter cover crop on water and nitrogen cycling in the corn-soybean system at various scales
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2024-12-01
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Interactive effects of n fertilization rate, cultivars and planting date under climate change on maize (zea mays l.) yield using crop simulation and statistical downscaling of climate models
… the CSMs. Cultivar-specific parameters (CSPs) in DSSAT CERES-Maize model were computed using the generalized likelihood uncertainty estimation (GLUE). The CSPs in APSIM-Maize were computed using a stepwise approach starting with phenology, soil water, soil N, biomass and grain yield. The models …